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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