IFI CLAIMS Patent Services

IFI Concordance of U.S. Class to IPC

Class Range: 400 - 499
001-099 * 100-199 * 200-299 * 300-399 * 400-499 * 500-599 * 600-699 * 700-799 * 800-899 * 900-999 * Contents

CLS: 400  PATS: 4      TYPEWRITING MACHINES                                                  

   B41J  100%  TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING

CLS: 403  PATS: 1      JOINTS AND CONNECTIONS                                                

   F16B  100%  DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE

CLS: 405  PATS: 1      HYDRAULIC AND EARTH ENGINEERING                                       

   E02B  100%  HYDRAULIC ENGINEERING

CLS: 415  PATS: 5      ROTARY KINETIC FLUID MOTORS OR PUMPS                                  

   F01D   40%  NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
   F04D   40%  NON-POSITIVE-DISPLACEMENT PUMPS
   F01B   20%  MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE,

CLS: 416  PATS: 3      FLUID REACTION SURFACES (I.E., IMPELLERS)                             

   B63H   33%  MARINE PROPULSION OR STEERING
   F01D   33%  NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
   F04D   33%  NON-POSITIVE-DISPLACEMENT PUMPS

CLS: 417  PATS: 8      PUMPS                                                                 

   F04B   88%  POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
   F01C   13%  ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES

CLS: 418  PATS: 3      ROTARY EXPANSIBLE CHAMBER DEVICES                                     

   F01C  100%  ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES

CLS: 419  PATS: 3      POWDER METALLURGY PROCESSES                                           

   B22F  100%  WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC

CLS: 422  PATS: 4      CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING,
                       OR STERILIZING                                                        

   A61L   50%  METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL;
   B01J   25%  CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY;
   G01N   25%  INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR

CLS: 423  PATS: 11     CHEMISTRY OF INORGANIC COMPOUNDS                                      

   C01B   45%  NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
   B01D   18%  SEPARATION [5]
   B01J    9%  CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY;
   C04B    9%  LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS,
   C07F    9%  ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS * oo CONTAINING
   C09K    9%  MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

CLS: 424  PATS: 29     DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS                    

   A61K   62%  PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
   A61B   17%  DIAGNOSIS; SURGERY; IDENTIFICATION
   A01N   14%  PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS
   A61F    7%  FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; ORTHOPAEDIC,

CLS: 425  PATS: 6      PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS         

   B29C  100%  SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES * oo IN A

CLS: 426  PATS: 4      FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS        

   A23D   25%  EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
   A21D   25%  TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BY ADDITION OF
   A23L   25%  FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY
   B65D   25%  CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g.

CLS: 427  PATS: 14     COATING PROCESSES                                                     

   B05D   57%  PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES,
   C23C   14%  COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL;
   B24B    7%  MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING
   C08J    7%  WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; * oo AFTER-TREATMENT
   H01L    7%  SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE
   H05H    7%  PLASMA TECHNIQUE ; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED

CLS: 428  PATS: 29     STOCK MATERIAL OR MISCELLANEOUS ARTICLES                              

   B32B   52%  LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR
   D02G   14%  CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR
   G11B    7%  INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER

CLS: 429  PATS: 5      CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND
                       PROCESS                                                               

   H01M  100%  PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF

CLS: 430  PATS: 12     RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF 

   G03F   50%  PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g.
   G03C   33%  PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES ; PHOTOGRAPHIC
   B41C    8%  PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
   H01L    8%  SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE

CLS: 431  PATS: 1      COMBUSTION                                                            

   B01J  100%  CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY;

CLS: 432  PATS: 1      HEATING                                                               

   F27B  100%  FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE

CLS: 434  PATS: 2      EDUCATION AND DEMONSTRATION                                           

   G09B  100%  EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR

CLS: 435  PATS: 60     CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY                         

   C12N   43%  MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF * a ; PROPAGATING,
   C12Q   30%  MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR * a
   C12P   12%  FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A * a DESIRED
   G01N    7%  INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR

CLS: 436  PATS: 5      CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING                       

   G01N   80%  INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR
   B01L   20%  CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE

CLS: 438  PATS: 47     SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS                           

   H01L   94%  SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE

CLS: 439  PATS: 31     ELECTRICAL CONNECTORS                                                 

   H01R  100%  ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A

CLS: 440  PATS: 2      MARINE PROPULSION                                                     

   B63H  100%  MARINE PROPULSION OR STEERING

CLS: 445  PATS: 1      ELECTRIC LAMP OR SPACE DISCHARGE COMPONENT OR DEVICE MANUFACTURING    

   H04Q  100%  SELECTING

CLS: 451  PATS: 5      ABRADING                                                              

   B24B  100%  MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING

CLS: 455  PATS: 9      TELECOMMUNICATIONS                                                    

   H04B   56%  TRANSMISSION [4]
   H04Q   22%  SELECTING
   H04H   11%  BROADCAST COMMUNICATION
   H04M   11%  TELEPHONIC COMMUNICATION

CLS: 460  PATS: 1      CROP THRESHING OR SEPARATING                                          

   A01F  100%  PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR

CLS: 463  PATS: 6      AMUSEMENT DEVICES: GAMES                                              

   A63F   67%  CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING
   A63B   17%  APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR
   F41G   17%  WEAPON SIGHTS; AIMING

CLS: 464  PATS: 2      ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY
                       SHAFTS                                                                

   F16D  100%  COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES [2]

CLS: 474  PATS: 6      ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS                 

   F16H  100%  GEARING

CLS: 475  PATS: 1      PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS                     

   F16H  100%  GEARING

CLS: 477  PATS: 1      INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL        

   B60K  100%  ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN

CLS: 482  PATS: 1      EXERCISE DEVICES                                                      

   A63B  100%  APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR

001-099 * 100-199 * 200-299 * 300-399 * 400-499 * 500-599 * 600-699 * 700-799 * 800-899 * 900-999 * Contents