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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
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Class Number: 114
 Class Title: SHIPS

Subclass  Subclass
Number    Title

  255     FISHING VESSEL
  256     FLOATING OR SEMI-SUBMERSIBLE STORAGE VESSEL
  257     SUBMERGED STORAGE VESSEL
  1       WARSHIPS
  2       .Rams
  3       ..Battering
  4       .Floating batteries
  5       .Turret
  6       ..Combined elevating and rotary
  7       ..Elevating
  8       ..Rotary
  9       .Armored
  10      ..Deflectors
  11      ..Belting and plating
  12      ...Compound
  13      ....Buffers
  14      ..Screens and shields
  15      .Concealment
  312     SUBMERSIBLE DEVICE
  313     .With disparate vehicle feature
  314     .Underwater habitat
  315     .Diver assistance device
  316     .With weapon or weapon system
  317     ..Having ballast compensating means
  318     ..Power assisted deployment
  319     ...Pneumatic or hydraulic dispatch
  320     ..Having specific hatch structure
  321     .Having storage hold
  322     .Detachably connected to a main vessel
  323     ..Emergency escape means
  324     ...Chamber completely enclosed in the hull
  325     ...Chamber nested in the hull
  326     .Having buoy
  327     ..And snorkel
  328     ..With communication means
  329     ..With indicator
  330     .Having attitude control
  331     ..Depth control
  332     ...Diving plane
  333     ...Water ballast
  334     .Having air supply
  335     .Having air locks
  336     .Emergency equipment
  337     .Having propulsion unit
  338     ..Propeller
  339     .Superstructure
  340     ..With periscope
  341     .Hulls with transverse reinforcement
  342     .Hull within a hull
  18      TORPEDO BOATS
  19      .Spar
  20.1    TORPEDOESS
  20.2    .With power plants
  20.3    .With net cutting
  21.1    .With external control
  21.2    ..With remote control
  21.3    .With homing means
  22      .Separable sections
  23      .Steering mechanism
  24      ..Gyroscope
  25      .Depth regulation
  26      SCOWS
  27      .Dumping and unloading
  28      ..Sectional
  29      ...Hinged
  30      ...Separable
  31      ..Platform
  32      ...Tilting
  33      ....Carriers
  34      ...Conveyors
  35      ...Side doors
  36      ..Bottom doors
  37      ...Flooding gates
  38      ..Turnover
  39.1    SAILBOAT
  39.2    .Sailboard
  40      ICE BREAKERS
  41      .Rams
  42      .Cutters
  43      ICE BOATS
  258     MOTHER SHIP, FLOATING LANDING PLATFORM, AND HARBOR
  259     .Vessel carrier
  260     ..Barge transport
  261     .Aircraft
  262     ..Seaplane
  263     .Floating boat dock
  44      VESSEL RAISING AND DOCKING
  45      .Floating dry docks
  46      ..Sectional
  47      ..End gates
  48      ..Elevators
  49      .Camels, caissons, and pontoons
  50      .Submerged
  51      ..Hoisting
  52      ..Air tanks
  53      ...Camels, caissons, and pontoons
  54      ...Inflatable bags
  55      ..Sand and mud loosening
  271     HULL OR HULL ADJUNCT EMPLOYING FLUID DYNAMIC FORCES TO DERIVE A
           LIFT OR ALTER TRIM, E.G., PLANING HULLS
  272     .Having airfoil
  273     ..Movably mounted
  274     .Having hydrofoil
  275     ..With control means responsive to sensed condition
  276     ...Having feeler means
  277     ...Having liquid pressure sensor
  278     ..Ported strut or foil
  279     ..With shock damping means
  280     ..Having means to tilt or reposition foil or foil adjunct
  281     ...Steerable foill
  282     ...Having means to move foil to a retracted nonuse position
  283     .Having laterally disposed skids or pontoons
  284     .Movably mounted hull portion or hull adjunct
  285     ..Trim tab or hull plate
  286     ...With fluid motor
  287     ....Expanding bladder
  288     .Having fluid channeling or entrapping configuration
  289     ..With fluid introducing means
  290     ..Plural channels
  291     .Stepped hull
  292     .Pontoon structure
  56      FORM
  57      .Screw propeller type
  58      .Paddle wheelers
  59      .Spindle
  60      .Canal and ferry boats
  61      .Divided hull
  62      .Concave bottom
  63      .Flat bottom
  343     BOATS, BOAT COMPONENT OR ATTACHMENT
  344     .With wheeled buoyant landing or launching aid
  345     .Inflatable
  346     .Circular
  347     .Canoe or kayak
  348     .Lifeboat
  349     ..Enclosed
  350     ...With self-leveling passenger compartment
  351     .Hunting
  352     .Sectional
  353     ..With folding
  354     .Collapsible
  355     .Hull construction
  356     ..Metal
  357     ..Plastic
  358     ..Wood
  359     ..Former and framer
  360     .With means to prevent capsizing or sinking
  361     .Protective cover or shield
  362     .Boarding aids
  363     .Seat and foot support
  364     .Deck or gunwale attachment
  65 R    BUILDING
  66      .Observation boats
  67 R    .Antifriction surfaces
  67 A    ..Air and oil films
  68      .Insubmergible vessels
  69      ..Linings and fillings
  70      .Canal and ferry boats
  71      .Cabins
  72      .Freighters
  73      ..Bulk cargo
  74 R    ...Liquid
  74 T    ....Floating tank
  74 A    ....Double hull or insulated tank
  75      ...Antishifting devices
  76      ...Ceilings and floors
  77 R    .Sectional
  77 A    ..Horizontal sectionss
  78      .Bulkhead and compartment
  79 R    .Iron
  80      ..Corrugated
  81      ..Tubular
  79 W    ..Welded joint
  82      .Wood
  83      .Bracing and staying
  84      .Sheathing and planking
  85      .Decks
  86      .Calking and seaming
  87      .Knees
  88      .Joints
  65 A    .Concrete ships
  89      SPARS
  90      .Masts and masting
  91      ..Swinging
  92      ..Cross and trestle trees
  93      ..Coats, shields, and steps
  94      ..Heads and irons
  95      .Yards
  96      ..Trusses and parrels
  97      .Gaffs, booms, etc.
  98      ..Pivoted
  99      ..Crotches and supports
  100     .Spar irons
  101     .Fair leaders and chocks
  102     SAILS AND RIGGING
  103     .Sails
  104     ..Reefing and furling
  105     ...Fore-and-aft sails
  106     ....Rolling
  107     ...Rolling
  108     ..Fastening devices
  109     .Rigging screws and stretchers
  111     .Running rigging
  112     .Mast travelers
  113     .Hoops and connections
  114     .Cringles and hanks
  115     .Clews
  116     BULKHEADS AND DOORS
  117     .Doors
  118     ..Automatic
  119     ...Sliding
  120     ..Sliding
  121     BALLASTING
  122     .Antirolling
  123     .Floats
  124     .Shifting weights
  125     .Water tanks
  126     .Fins and boards
  127     CENTERBOARDS
  128     .Steering
  129     .Multiple
  130     .Vertical drop and pivoted swing
  131     ..Sectional
  132     .Pivoted
  133     ..Sectional
  134     ...Fann
  135     ..Lateral
  136     ..Lateral swing
  137     ..Lateral tilt
  138     .Vertical drop
  139     ..Sectional
  140     KEELS
  141     .Vertical adjustment
  142     .Bilge
  143     .Rocking
  144 R   STEERING MECHANISM
  145 R   .Speed retarders
  145 A   ..Trolling plates
  146     .Auxiliary
  147     .Paddles and wheels
  148     ..Channels
  149     .Keel
  150     .Fluid pressure
  151     ..Jet
  152     .Fins
  153     .Foot
  154     .Wheel-shaft gearing
  155     ..Screw
  156     ...Intermediate gear
  157     ...Right and left
  158     ....Intermediate gear
  159     ..Segmental rack
  160     .Wheel and drum
  161     ..Intermediate gear
  162     .Rudders
  163     ..Multiple
  164     ..Auxiliary
  165     ..Hanging and shipping
  166     ..Tubular
  167     ..Sectional
  168     ..Jury
  169     ..Post bearings and heads
  170     ..Brakes
  171     ...Hydraulic
  172     ..Locks
  144 RE  .Electrical
  144 A   .Remote control steering excluding manual operation
  144 B   .Dynamic anchor
  144 C   .Wind vane-operated
  144 E   ..Electric
  365     LIFE CRAFT HANDLING DEVICE, APPARATUS, OR IMPLEMENT
  366     .Moving from storage position to launching position
  367     .Means for automatic launch upon sinking of ship
  368     .Davit
  369     ..Movably mounted
  370     ...Compound movement
  371     ....Relative arcuate movement
  372     ....Translating and tilting
  373     ...Pivoting
  374     ....Vertical axis
  375     .Chute or track
  376     .Protector for lifecraft during launching
  377     .Connector between boat and lowering tackle
  378     ..Releasing mechanismm
  379     ...Automatic
  380     ...Simultaneously releasing bow and stern
  264     FLOATING PLATFORM
  265     .Multiple leg
  266     .Float assembly
  267     FLOAT STRUCTURE
  173     PORTS
  174     .Stoppers
  175     ..Gun port
  176     ..Hinged
  177     .Light and air
  178     ..Hinged covers
  179     HAWSE PIPES
  180     .Stoppers and covers
  181     .Friction rollers
  182     SCUPPERS
  183 R   BILGE DISCHARGE
  184     .Ejectors
  185     ..Ships motion
  186     ..Ash
  183 A   .Wave motion
  187     SMOKESTACKS
  188     FURNITURE
  189     .Cabins and staterooms
  190     .Life-preserver racks
  191     .Self-leveling
  192     ..Berths
  193     ...Single pivot
  194     ..Chairs
  195     ..Tables
  *       VALVES
  197     .Boat plugs
  198     .Sea cocks
  199     CABLE STOPPERS
  200     .Chain
  201 R   HATCHES AND COVERS
  202     .Sliding
  203     .With fasteners
  201 A   .Inflatable gaskets
  204     TRAVELERS
  205     .Tension relievers
  293     ANCHORING ARRANGEMENT
  294     ANCHOR
  295     .With means driving the anchor into the sea bed
  296     .Suction type
  297     .With dislodgement means
  298     ..Collapsible fluke
  299     ..By movable line connection
  300     .Dished or mushroom type
  301     .Fluke type
  302     ..Having stowable stock
  303     ..Having assembly or disassembly feature or replaceable or
             adjustable abutment
  304     ..Pivoted fluke
  305     ...Extensible
  306     ...Fork or aperture confining fluke
  307     ...Plural independently pivoted
  308     ...Knobbed shankk
  309     ...Stock mounted on or juxtaposed to fluke
  310     ...With tripper
  311     .Sea anchor
  210     ANCHOR TRIPPERS
  211     VENTILATION
  212     .Valves
  213     TENSION RELIEVERS
  214     .Fluid
  215     .Cable
  216     .Couplers
  217     ..Safety release
  218     BITTS, CLEATS, AND PIN RAILS
  219     Fenders
  220     .Roller
  381     CHOCK OR LASHING
  221 R   IMPLEMENTS
  222     .Hull cleaning
  223     .Riggings
  224     .Calking, paying, etc.
  221 A   .Underwater cutting
  227     LEAK STOPPERS
  228     .Interior
  229     .Aprons, mats, etc.
  230     MOORING DEVICES
  231     .Ferry slip
  232     OIL DISTRIBUTERS
  233     .Ship structure
  234     .Drags and floats
  242     TOWING OR PUSHING
  243     .Cable fairing
  244     .Submerged object
  245     ..Having depth-control means
  246     .Steering
  247     .Having means responsive to excess strain
  248     .Nested vessels
  249     .Coupling means
  250     ..Boom type
  251     ..Flexible lashing
  252     ..Having trip mechanism
  253     .Towing by means of cable
  254     ..With cable storage means, e.g., reels
  268     WITH HOIST OR DECK ENGINE
  269     MACHINERY ARRANGEMENT
  238     TORPEDO LAUNCHING
  239     .Outboard
  240 R   TORPEDO GUARDS
  241     .Nets
  240 A   .Underwater
  240 B   .Pivotally attached
  240 C   .Boat net
  240 D   .Ship guard
  240 E   .Barrier nets
  270     MISCELLANEOUS