US Patent Companies

US companies ranked by patent portfolio, built from official USPTO grant data via PatentsView. See our methodology.

50,000 companies · page 911 of 1000

# Company Patents
45501 Chang YOW Technologies International Co., Ltd.
A63B - APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
5
45502 Changing International Company Limited
G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
5
45503 Changjiang Survey Planning Design AND Research Co., Ltd.
G21C - NUCLEAR REACTORS
5
45504 Changzheng Engineering Co., Ltd.
C10J - PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES ; CARBURETTING AIR OR OTHER GASES
5
45505 Changzhou Kaisen Photoelectricity Co., Ltd.
F21K - NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GEN
5
45506 Chaperone Therapeutics, Inc.
C07K - PEPTIDES
5
45507 Charabot
Y02A - TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
5
45508 Charles Austen Pumps Ltd.
F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
5
45509 Charles Viancin Group 5
45510 Checkmate Limited
A62B - DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
5
45511 Checkmate Pharmaceuticals, Inc.
C12N - MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
5
45512 Checkpoint Technologies Llc
G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
5
45513 Chekt Llc
G08B - SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
5
45514 CHEM Optics Inc
G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
5
45515 Chem32, Llc
B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
5
45516 Chemeor, Inc.
C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
5
45517 Chemetall U.s., Inc.
C10M - LUBRICATING COMPOSITIONS ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
5
45518 Chengdu Analog Circuit Technology Inc
G11C - STATIC STORES
5
45519 Chengdu Puhuidao Smart Energy Technology Co., Ltd.
G06Q - INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,
5
45520 Chengdu Qinchuan Technology Development Co., Ltd.
G01D - MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OT
5
45521 Cheorwon Plasma Research Institute
B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
5
45522 Chertoff Group, Llc
G06V - IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
5
45523 Chervon Intellectual Property Limited
Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
5
45524 Chetocorporation, S.a.
B23Q - DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING ; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; CO
5
45525 Chichibu FUJI Co., Ltd.
H01H - ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
5
45526 Chicisimo S.l.
G06F - ELECTRIC DIGITAL DATA PROCESSING
5
45527 Child MIND Institute, Inc.
A61B - DIAGNOSIS; SURGERY; IDENTIFICATION
5
45528 Children's Hospital OF Eastern Ontario Research Institute Inc.
A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
5
45529 China Construction Science AND Industry Corporation Ltd
E04B - GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
5
45530 China Shenhua Energy Company Limited
E21F - SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
5
45531 China Steel Corporation
C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
5
45532 China Tiesiju Civil Engineering Group Co., Ltd.
E21F - SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
5
45533 China Tobacco Guangdong Industrial Co., Ltd.
A24D - CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
5
45534 China-germany(zhuhai) Artificial Intelligence Institute Co., Ltd.
G06T - IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
5
45535 Chint LOW Voltage Electrical Technology Co., Ltd.
H01H - ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
5
45536 Chlorine Engineers Corp., Ltd.
C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
5
45537 Chongqing Fengrui Plastic Co., Ltd.
B60K - ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHB
5
45538 Chongqing Ficuu Technology Co., Ltd. 5
45539 Chongqing Qiulong Technology Co., Ltd. 5
45540 Chongqing University OF Science AND Technology
G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
5
45541 Chongqing Zongshen General Power Machine Co., Ltd.
F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
5
45542 CHOW SANG SANG Jewellery Company Limited
C22C - ALLOYS
5
45543 Christian Louboutin 5
45544 Christopher Designs, Inc. 5
45545 Chromatic 3D Materials, Inc.
B33Y - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE
5
45546 CHS Healthcare Ventures, Inc.
A61M - DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY ; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5
45547 Chuetsu PULP & Paper Co., Ltd.
D21H - PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERW
5
45548 Chundo Pharm Co., Ltd
G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
5
45549 Chung TIN International, Inc.
B42F - SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
5
45550 CIEL ET Terre International
Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
5
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