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: 201 Class Title: DISTILLATION: PROCESSES, THERMOLYTIC Subclass Subclass Number Title 1 WITH MEASURING, TESTING OR INSPECTING 2 WITH CLEANING OF APPARATUS 2.5 NON-MINERAL DISTILLAND WITH CATALYST OR CHEMICAL TREATMENT OF VOLATILE COMPONENT 3 WITH PHYSICAL SEPARATION OF SOLID BY-PRODUCT FROM REMOVED ADMIXTURE 4 .Gas or vapor containing mixture 5 AND SHAPING TO DESIRED FORM OR CONFIGURATION 6 .Prior to charging to carbonizing zone 7 WITH COMMINUTING 8 .Prior to charging to carbonizing zone 9 AND SURFACE TREATING MATERIAL TO REDUCE OR PREVENT AGGLOMERATING OR FOAMING OR SWELLING DURING DISTILLATION 10 BY CONDUCTION USING PREHEATED CHARGE CONTAINER OR PREHEATED INERT DISPARATE SOLID OR PREHEATED LIQUID 11 .Liquid is metal 12 .Particulate disparate solid 13 USING A CARBONIZATION PRODUCT AS INDIRECT HEAT SOURCE 14 .For heating the carbonaceous material 15 ..Including heat by burning of product 16 ...Solid product 17 AND REFINING CHAR, E.G., DESULFURIZING COKE 18 UTILIZING APPARATUS OF PARTICULAR COMPOSITION 19 APPLYING ELECTRICAL ENERGY DIRECTLY TO MATERIAL 20 ADDING DISPARATE NON-GASEOUS MATERIAL TO FEED 21 FEED OF TWO OR MORE CARBONACEOUS MATERIAL (AT LEAST THE PREDOMINATE ONE BEING SOLID) 22 .Char containing 23 .Mineral oil containing 24 .Coals only 25 FEED OTHER THAN COAL, OIL SHALE OR WOOD 26 IN PARALLEL STAGES SIMULTANEOUSLY 27 INCLUDING BURNING OF VAPORIZED PRODUCT 28 SEQUENTIALLY REMOVING, TREATING AND RECYCLING A PRODUCT 29 .Removing and treating vapor 30 AND FRACTIONALLY CONDENSING VAPORS 31 FLUIDIZED BED 32 IN A MOVING BED 33 .Agitating 34 .Gravitating 35 CARBONIZING UNDER PNEUMATIC PRESSURE OR VACUUM 36 AND ADDING DISPARATE GASEOUS MATERIAL TO THE CARBONIZING ZONE 37 .Combustion gases 38 .Steam containing 39 QUENCHING CHAR WITH AN INERT MATERIAL 40 ARRANGING THE CARBONACEOUS MATERIAL IN THE CARBONIZING ZONE 41 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 42 PARTICLE SIZE 43 AN EXTRANEOUS, CYCLICALLY CIRCULATED, INERT HEATING GASS 44 PLURAL DISTINCT TEMPERATURE STAGES 45 DISTILLATE TREATMENT OR CONSERVATION