PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 422
 Class Title: CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING,
              PRESERVING, OR STERLIZING

Subclass  Subclass
Number    Title

  1       PROCESS-DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING
  2       .Step of warning or decreasing hazard of process
  3       .Process control in response to analysis
  4       .A gas is substance acted upon
  5       .Deodorizing
  6       .Affecting structure, article, etc., submerged in marine
            environment
  7       .Maintaining environment nondestructive to metal
  8       ..Using protective article (e.g., antitarnish fabric, etc.)
  9       ..Using gaseous preservative, preservative added to gaseous
             phase of environment, or maintaining gaseous phase
             nondestructive
  10      ...Manipulating gaseous environment for preservative purpose
  11      ...Steam environment
  12      ..Aqueous acid environment
  13      ..Aqueous alkali environment
  14      ..Essentially pure water environment
  15      ...Using organic compound having phosphorus
  16      ...Using organic nitrogen compound other than ammonium salt
  17      ...Using organic carboxylic acid or salt thereof
  18      ...Using inorganic silicon or phosphorus compound
  19      ...Using heavy metal or compound thereof
  20      .Using sonic or ultrasonic energy
  21      .Using microwave energy
  22      .Using direct contact with electrical or electromagnetic
            radiation
  23      ..In atmosphere other than air
  24      ..Ultraviolet
  25      .Including additional step of preventing damage to sealed
            container
  26      .Using direct contact steam to disinfect or sterilize
  27      ..And additional disinfecting or sterilizing agent
  28      .Using disinfecting or sterilizing agent
  29      ..In situ generation of agent other than aldehyde or glycol
  30      ..And removing the agent by chemical reaction or sorption
  31      ..And recovering or reusing the agent
  32      ..Treating bulk material
  33      ..With positive pressure or vacuum
  34      ..Using alkylene oxide
  35      ..Using cyanide
  36      ..Using aldehyde
  37      ..Using halogen or halogen-containing compound
  38      .Using fluent heat transfer medium other than air
  39      .By sudden release of pressure
  40      .Process of storage or protection
  41      ..Of liquid
  42      ...By preventing evaporation
  43      ....Of water
  44      BLOOD TREATING DEVICE FOR TRANSFUSIBLE BLOOD
  45      .Oxygenator
  46      ..Including integral heat-exchange meanss
  47      ..Bubble or foam producing
  48      ..Membrane
  49      INCLUDING MEANS FACILITATING PART REPLACEMENT OR REPAIR OTHER
           THAN SOLID, EXTENDED SURFACE, FLUID CONTACT MEANS
  50      ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY
           DEVICE
  51      .Calorimeter
  52      .Chemiluminescent
  53      .Corrosion tester
  54      .Flame ionization detector
  55      .Structured visual or optical indicator per se
  56      ..Having reagent in absorbent or bibulous substrate
  57      ..Having coated reagent
  58      ..In holder or container having special form
  59      ...Column
  60      ....Having plural-layered material
  61      .Test package or kit
  62      .Automatic analytical monitor and control of industrial process
  63      .Sample mechanical transport means in or for automated
            analytical system
  64      ..Means is turntable (circular)
  65      ..Means is conveyor and rack
  66      ..Means is moving tape or band
  67      ..With specific analytical program control means
  68.1    .Means for analyzing liquid or solid sample
  69      ..Sorption testing
  70      ...Liquid chromatograhpy
  71      ...With radioactive material
  72      ..Including centrifuge
  73      ..With coagulometer for agglutination, clotting, or prothrombin,
             or for particle (e.g., cell etc.) counting, or volume or
             characteristics determination
  74      ..Dairy tester
  75      ..Including titrator
  76      ...Conductiometric type
  77      ....With integrating or differentiating means
  78      ..Including means for pyrolysis, combustion, or oxidation
  79      ...Biological, chemical, or total oxygen demand (i.e., BOD, COD,
              TOD)
  80      ...And means directly analyzing evolved gas
  81      ..Automated system with sample fluid pressure transport means
  82      ...And means segmenting fluid material
  82.01   ..Measuring electrical property
  82.02   ...Resistance or conductivity
  82.03   ...Ion selective electrode
  82.04   ....Dissolved gas
  82.05   ..Measuring optical property by using ultra-violet,
             infra-red or visible light
  82.06   ...Optode or optrode
  82.07   ....Fluorescence
  82.08   ...Fluorescence
  82.09   ...Absorbance or transmittance
  82.11   ...Waveguides
  82.12   ..Measuring temperature
  82.13   ..Measuring pressure
  83      .Means for analyzing gas sample
  84      ..Breath tester
  85      ...Based on color changee
  86      ..Including means reacting gas with color indicator
  87      ...Strip indicator
  88      ..Including means for adsorbing or absorbing gas into or onto
             liquid or solid media
  89      ...Gas chromatography
  90      ...With conductiometric detector
  91      ...With photometric detector
  92      ...With volumetric detector
  93      ..Including means dividing sample stream into plural parallel
             segments having diverse treating means and the analytical
             result compared or combined
  94      ..Combustible gas detector
  95      ...With thermoelectric detector
  96      ....Wheatstone bridge
  97      .....With specific coating on bridge element
  98      ..Analysis based on electrical measurement
  99      .Miscellaneous laboratory apparatus and elements per se
  100     ..Pipette or other volumetric fluid transfer means
  101     ..Including means for separating a constituent, e.g., filter,
             condenser, extractor, etc.
  102     ..Container
  103     ..Valve or connector structure
  104     ..Holder, support, housing, or hood
  105     CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION
  106     .Responsive to liquid level
  107     .Control element directly mechanically linked to separate
            sensor
  108     .Control element responds as a function of a variable signal
            from a sensor
  109     ..Controls heat transfer
  110     ..Controls flow rate of a material to or from a contact zone
  111     ...Material is an input to contact zone
  112     .Control element is fluid pressure sensitive
  113     ..Pressure-relief valve (e.g., pop-off valve) or check valve
  114     .Control element is a binary responsive valve
  115     ..Valve diverts flow from a contact zone
  116     .Sensed condition is operating time and control is operation
            sequencer
  117     WITH SAFETY FEATURE
  118     .Preventing opening of closure of pressurized apparatus at
            unsafe pressure
  119     WITH INDICATING, SIGNALLING, RECORDING, SAMPLING, OR INSPECTION
           MEANS
  120     FOR DEODORIZING OF, OR CHEMICAL PURIFICATION OF, OR GENERATION
           OF, LIFE SUSTAINING ENVIRONMENTAL GAS
  121     .With means exposing gas to electromagnetic wave energy or
            corpuscular radiation
  122     .Including solid, extended surface, fluid contact reaction means
            (e.g., Raschig rings, particulate or monolithic catalyst,
            etc.)
  123     .Including means adding material into environmental gas
  124     ..And mechanical means creating forced draft at addition site
  125     ..With material-heating means
  126     ...Material is combusted
  127     SHOCK OR SOUND WAVE
  128     .Including super or ultra sonic energy generation means
  129     CHEMICAL REACTOR
  129.1   .Soap makingg
  130     .Bench scale
  131     .Organic polymerization
  132     ..Closed loop
  133     ..Generating foamed plastic
  134     ..Including plural sequential reaction stages
  135     ..Including reactant agitating means in reaction chamber
  136     ...And means rotatably mounting reaction chamber
  137     ...Horizontal reaction chamber with screw or worm agitator
  138     ..With heat exchanger for reaction chamber or reactants located
             therein
  139     .Fluidized bed
  140     ..With liquid present
  141     ..Plural reaction beds
  142     ...Sequentially arranged
  143     ..Including specific wind box or particulate matter support
             grid
  144     ..Including means to strip reaction mass from, or to regenerate,
             the particulate matter (including fluidized bed regenerators
             per se)
  145     ..And means providing flow of particulate matter into or out of
             reaction chamber
  146     ..With heat exchange means affecting reaction chamber or
             reactants located therein
  147     ..And means mechanically separating and removing particulate bed
             material from fluid effluent
  148     .Ammonia synthesizer
  149     .With means simultaneously carrying out conjugated reactions
            within single reactor
  150     .Pigment or carbon black producer
  151     ..With means injecting quench stream into reaction chamber
             downstream of reaction site
  152     ..With particulate product collecting surface and means
             mechanically removing product therefrom
  153     ...Moving collecting surface
  154     ....Rotary collecting surface
  155     .....Disk or plate
  156     ..With plural sequential reaction zones or chambers
  157     ...With movably or removably mounted plug means for converting
              reactor from (N) to (N+1) reaction stages
  158     ..Vapor phase reaction type
  159     .For radioactive reactant or product
  160     .Inorganic sulfur acid or anhydride producing type
  161     ..Acid is final product
  162     .Inorganic hydrator
  163     .Explosives synthesizer
  164     .Solid reactant type (i.e., absence of fluid reactants)
  165     ..Including ignition means for reactant
  166     ...Electrically actuated
  167     ..Including reactor cooling means surrounding reactor
  168     .Waste gas purifier
  169     ..Including means providing sequential purification stages
  170     ...Plural chemical reaction stages
  171     ....Solid, extended surface, fluid contact type
  172     ....And means downstream of a stage for injecting a reactant
               into waste gas for interreaction in subsequent stage
  173     ..With heat exchanger for reaction chamber or reactants located
             therein
  174     ...Electrical typee
  175     ...Regenerative heat sink
  176     ..Including waste gas flow distributor upstream of reaction site
             and within reaction chamber modifying velocity profile of gas
  177     ..Including solid, extended surface, fluid contact reaction
             means, e.g., inert Raschig rings, particulate absorbent,
             particulate or monolithic catalyst, etc.
  178     ...And contact regenerating means or means for cleaning an
              internal surface of the reaction chamber
  179     ...Fixed bed with resilient or differential thermal expansion
              compensating bed support means
  180     ...Unitary (i.e., nonparticulate) contact bed (e.g., monolithic
              catalyst bed, etc.)
  181     ...Fixed annularly shaped bed of contact material and means
              directing gas therethrough substantially perpendicular to
              longitudinal axis of bed
  182     ..Including means injecting combustion fuel into reaction
             chamber in direct contact with waste gas
  183     ...And means mixing combustion fuel with waste gas upstream of
              reaction site
  184     .For chemically destroying or disintegrating solid waste, other
            than burning alone
  185     .For chemical recovery of chemicals from waste paper making
            liquor
  186     .With means applying electromagnetic wave energy or corpuscular
            radiation to reactants for initiating or perfecting chemical
            reaction
  186.01  ..Magnetic
  186.02  ...Object protection
  186.03  ...With electrical discharge
  186.04  ..Electrostatic field or electrical discharge
  186.05  ...Treating surface or solid substrate
  186.06  ....Surface in metal
  186.07  ...Ozonizers
  186.08  ....With preparatory or product-treating means
  186.09  .....With drying means
  186.1   .....With filtering or particle removal means
  186.11  .....With cooling, compression, condensation, or liquefying
                means
  186.12  ....With subsequent use means
  186.13  ....With electrode moving means
  186.14  ....With fluent reactant flow control means
  186.15  ....With current control or special electrical supply
               means
  186.16  .....With pulse generating means
  186.18  ....Cylindrical electrode
  186.19  .....With heating or cooling means
  186.2   ....With heating or cooling means
  186.21  ...Arc or spark discharge means
  186.22  ....With electrode or reaction space heating or cooling
               means
  186.23  ....With preparatory or product-treating means
  186.24  .....With nitrogen fixation means
  186.25  .....With cooling or pressurizing means
  186.26  ....With electrode moving means
  186.27  .....With current control means
  186.28  ....With current control means
  186.29  ...With RF input means
  186.3   ..With ultraviolet radiation generating meanss
  187     .Combined
  188     .Including plural reaction stages
  189     ..And means providing discrete sequential reaction stages, e.g.,
             train, etc.
  190     ...Plural solid, extended surface, fluid contact reaction stages
              each containing, e.g., inert Raschig rings, particulate
              sorbent, particulate or monolithic catalyst, etc.
  191     ....Superimposed reaction stages in single reaction chamber
  192     ....At least one reaction stage formed of fixed, annularly
               shaped bed of contact material and means directing reaction
               stream therethrough substantially perpendicular to
               longitudinal axis of bed
  193     ...Reaction stages located within single reaction chamber
  194     ....And means downstream of a stage for internally injecting a
               reactant into a reaction stream for interreaction in a
               subsequent stage, or injecting an internal quench stream
               into reaction stream passing between stages
  195     ....Means within reaction chamber redistributing reaction stream
               as it passes between adjacent stages
  196     ..Including plural parallel reaction stages with each stage in
             form of a reaction tube
  197     ...Tubular stages in single reaction chamber
  198     .Including heat exchanger for reaction chamber or reactants
            located therein
  199     ..Electrical type
  200     ..Indirect heat-exchange tube within reaction chamber with a
             nonreactant heat exchange fluid passing therethrough
  201     ...Tube and shell type
  202     ..Heat-exchange jacket surrounding reaction chamber
  203     ...Including fluid-transfer means connecting chamber to
              heat-exchange jacket
  204     ...Means associated with jacket providing combustion gas as
              heat-exchange medium
  205     ...Including baffle or stirring means disposed within jacket or
              chamber, the baffle means within chamber connected directly
              to wall thereof
  206     ..Regenerative heat sink
  207     ..Means injecting internal quench stream into reaction stream
             downstream of reaction stage
  208     ..Apparatus operates at positive pressure
  209     .Including means rotating reaction chamber during use
  210     ..And means wiping or scraping interior surface of reaction
             chamber
  211     .Including solid, extended surface, fluid contact reaction
            means, e.g., inert Raschig rings, particulate absorbent,
            particulate or monolithic catalyst, etc.
  212     ..With means removing and recovering product from extended
             surface contact material
  213     ..Particulate contact material type and means providing flow of
             particulate material into or out of reaction chamber with
             reactants or products
  214     ...Transfer line type reaction chamber
  215     ...And internal mixing means
  216     ..Compact bed of particulate, fluid contact material and means
             providing gravity flow of material within bed
  217     ..And means upstream of extended surface, fluid contact means
             removing particulate impurities from reactant stream
  218     ..Fixed annularly shaped bed of contact material and meanss
             directing reactant therethrough substantially perpendicular to
             longitudinal axis of bed
  219     ..And means loading contact material into, or unloading contact
             material from, reactor or means providing internal contact
             material reservoir
  220     ..And reactant flow distributor upstream of contact means and
             within reaction chamber modifying velocity profile of reactant
             flow
  221     ..Fixed contact bed type with resilient or differential thermal
             expansion compensating bed support means
  222     ..Unitary (i.e., nonparticulate) contact bed, (e.g., monolithic
             catalyst bed, etc.)
  223     ..With contact material regenerating means per se or combined
             with reactor
  224     .Including internal mixing or stirring means
  225     ..Mechanical type stirring means
  226     ...In positive pressure reactor
  227     ...Including a draft tube for internal recirculation
  228     ...Including flow directing baffle attached directly to reaction
              chamber wall
  229     ...Longitudinally extending spiral stirring means
  230     ..Thermosyphon or differential density mixing means, e.g., means
             internally recycling reaction mass via differential density
             pumping, etc.
  231     ...Gas sparger type mixing means submerged in liquid reactant
  232     .Including solid reactant and means charging solids into, or
            dischanging solids from, reaction chamber
  233     ..Having both charge and discharge means along with means
             conveying solids therebetween located within reaction chamber
  234     .Including external recycle loop
  235     ..And means heating or cooling loop or reaction mass located
             therein
  236     .Including means separating reaction chamber into plural
            reactant containing compartments and means moving reactant
            therebetween
  237     ..Movably mounted container type separating means and means
             moving same
  238     ..Solid reactant containing perforated or porous container type
             separating means
  239     .Reaction chamber includes at least one perforated, porous, or
            semipermeable wall and is adapted for holding solid reactant
  240     .Including specific material of construction
  241     ..Reactor liner
  242     .Positive pressure type
  243     PHYSICAL TYPE APPARATUS
  244     .Including serially disposed vaporizing heating means and solid
            material deposition means maintained at a temperature lower
            than said heating means
  245     .Crystallizer
  246     ..Including shaping surface
  247     ..Particulate feed source spaced from the substrate
  248     ..Including crucible
  249     ...Seed puller
  250     ..Crucible-free zone refining
  251     ..Including means separating and conveying crystals to a melting
             zone
  252     ..Hydraulic classifier with crystallizer
  253     ..Including feed compartment for introducing nutrientt
  254     ..Movable crystallizer or scraping means
  255     .Means separating or dissolving a material constituent
  256     ..Liquid-liquid contact means
  257     ...Including pulsator, adjustable plates, or plural inlets,
              e.g., spraying, etc.
  258     ...Including rotating chamber or rotating member within chamber,
              e.g., mixer settler, etc.
  259     ....Having rotating member within chamber
  260     ...Including heating and cooling means
  261     ..Liquid-solid contact means
  262     ...Sulfur extraction
  263     ...Including monolithic nonporous body of solute
  264     ...Including means restricting solvent contact to one end of
              body of solute
  265     ...Buoyant holder
  266     ...Manual or mountable holder, e.g., soap holder, etc.
  267     ...Including means to remove solids from a filter
  268     ...Conveyor support for solid material during contact, e.g.,
              bucket, etc.
  269     ...Including rotating member
  270     ....Member is container
  271     .....Including internal rotating member
  272     .....Partitions divide container
  273     ....Member conveys material into and out of container, e.g.,
               screw propeller, etc.
  274     ...Including perforated member which is nonlinear or inclined
              with respect to the major axis of container
  275     ...Including parallel perforated members perpendicular to, or
              parallel to, major axis of container
  276     ...Side wall of holder perforated
  277     ....Perforations of holder form inlet for solvent
  278     ...Including plural orifice inlet, or deflector adjacent inlet
              for solvent flow
  279     ....Having inlet submerged within body of a solid solute
  280     ...Solvent vapor condenser
  281     ...Means recirculating solvent
  282     ...Including bypass
  283     ...Including dip tube for inlet or outlet of fluid solvent
  284     ...Internal heater, e.g., steam coil, etc.
  285     ..And heating means
  286     ...Including mechanical comminuting or conveying means
  287     ....Within treating vessel
  288     ...Including means removing vapor from treated material
  289     ....And direct contact heating fluid means within separating or
               dissolving chamber vessel
  290     ....And indirect contact heating fluid means in separating or
               dissolving chamber
  291     .Combined
  292     .Apparatus for treating solid article or material with fluid
            chemical
  293     ..Fluid having simultaneous diverse function
  294     ..Including flexible or collapsible treating chamber
  295     ..Including pressure treating chamber (above ambient)
  296     ...Fluid pressure maintains closure or seal
  297     ...And rack, support or handling means
  298     ...And vaporizer, e.g., boiler, etc.
  299     ....Constituting treating chamber
  300     ..Including rack, support or handling meanss
  301     ...Apparatus closure operates means immersing article or
              material in liquid chemical
  302     ...For treating container or covers therefor
  303     ....Container is inverted
  304     ....Including endless conveyor
  305     .Including gas generating means
  306     .Including means for adding a material to a gas
  307     .Heat treating vessel with heating means
  308     ..Including multiple stages
  309     ..Including comminuting, kneading, or surface-wiping means
             interior or vessel
  310     ELEMENTS OR ADJUNCTS
  311     .Bed support means (e.g., support grid or plate for supporting
            particulate bed of contact material, etc.)
  312     .Tube element containing extended surface contact reaction means
            (e.g., a tube internally coated or packed with a catalyst,
            etc.)
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTION RELATING TO SUBCLASSES 1 THROUGH
           43
  *       ******************************
  900     DECREASING POLLUTION OR ENVIRONMENTAL IMPACT
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  901     POLYMER DISSOLVER
  902     SODIUM CHLORIDE AND POTASSIUM CHLORIDE DISSOLVER
  903     RADIOACTIVE MATERIAL APPARATUS
  904     NITROGEN FIXATION MEANS
  905     MISCELLANEOUS LIQUID STERILIZATION MEANS
  906     PLASMA OR ION GENERATION MEANS
  907     CORONA OR GLOW DISCHARGE MEANS