US Patent Companies
US companies ranked by patent portfolio, built from official USPTO grant data via PatentsView. See our methodology.
49,997 companies · page 320 of 1000
| # | Company | Patents |
|---|---|---|
| 15951 | Dongguan Leader Precision Industry Co., Ltd. H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors | 18 |
| 15952 | Dowa Thermotech Co., Ltd. C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap | 18 |
| 15953 | DT Inventions B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing | 18 |
| 15954 | Daxin materials corporation C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere | 18 |
| 15955 | DeGen Medical, Inc. A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive Device | 18 |
| 15956 | DeguDent GmbH A61C - DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene | 18 |
| 15957 | Delta-Q Technologies Corp. H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; | 18 |
| 15958 | Designer Ties, LLC A44C - Personal Adornments, e.g. JEWELLERY; Coins | 18 |
| 15959 | DeuteRx, LLC C07D - Heterocyclic Compounds | 18 |
| 15960 | Diageo North America, Inc. | 18 |
| 15961 | Direct Supply, Inc. G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, | 18 |
| 15962 | Distance Technologies Oy G02B - Optical Elements, Systems OR Apparatus | 18 |
| 15963 | Dixie Consumer Products LLC B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR F | 18 |
| 15964 | Domtar Paper Company, LLC 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 | 18 |
| 15965 | Dong Guan Bright Yinhuey Lighting Co., Ltd. China F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR | 18 |
| 15966 | Dongguan Zhengyang Electronic Mechanical Co. Ltd. G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties | 18 |
| 15967 | Dorel Home Furnishings, Inc. E06C - Ladders | 18 |
| 15968 | Dr. Falk Pharma Gmbh A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations | 18 |
| 15969 | Dreame Innovation Technology (Suzhou) Co., Ltd. A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General | 18 |
| 15970 | DuPont Specialty Materials Korea Ltd. H10K - Organic Electric Solid-state Devices | 18 |
| 15971 | Eagleburgmann Japan Co., Ltd. F16J - Pistons ; CYLINDERS; Sealings | 18 |
| 15972 | EBM Papst Landshut GmbH F23N - Regulating OR Controlling Combustion | 18 |
| 15973 | Ebner Industrieofenbau GmbH F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus | 18 |
| 15974 | Ecom Instruments GMBH G06F - Electric Digital Data Processing | 18 |
| 15975 | Electrical Subsea & Drilling AS E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells | 18 |
| 15976 | Electrophoretics Limited G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties | 18 |
| 15977 | Elliott Group Limited F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants | 18 |
| 15978 | Embraco Industria DE Compressores E Solucoes EM Refrigeracao Ltda. F04B - Positive-displacement Machines FOR LIQUIDS; Pumps | 18 |
| 15979 | Eminent Electronic Technology Corp. Ltd. G06F - Electric Digital Data Processing | 18 |
| 15980 | En2core Technology Inc. H01J - Electric Discharge Tubes OR Discharge Lamps | 18 |
| 15981 | Enensys Technologies H04N - Pictorial Communication, e.g. Television | 18 |
| 15982 | ENF Technology Co., Ltd. H01L - Semiconductor Devices NOT Covered BY Class H10 | 18 |
| 15983 | Enovate Systems Ltd. E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells | 18 |
| 15984 | Enraytek Optoelectronics Co., Ltd. H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers | 18 |
| 15985 | EPC Natural Products Co., Ltd. A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof | 18 |
| 15986 | Essai, Inc. G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables | 18 |
| 15987 | Etopus Technology Inc. H03M - CODING; DECODING; Code Conversion IN General | 18 |
| 15988 | EVE Energy Co., Ltd. H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy | 18 |
| 15989 | Exfo Solutions SAS H04L - Transmission OF Digital Information, e.g. Telegraphic Communication | 18 |
| 15990 | Eagles Nest Outfitters, Inc. A45F - Travelling OR Camp EQUIPMENT: Sacks OR Packs Carried ON THE Body | 18 |
| 15991 | EcoMotors, Inc. F02B - Internal-combustion Piston ENGINES; Combustion Engines IN General | 18 |
| 15992 | Ecowater Systems LLC C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge | 18 |
| 15993 | Eliantte Group Inc. | 18 |
| 15994 | Eliyan Corporation G06F - Electric Digital Data Processing | 18 |
| 15995 | Elster Solutions, LLC Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR | 18 |
| 15996 | Emocog Inc. G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data | 18 |
| 15997 | Enduralock, LLC F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing | 18 |
| 15998 | Energetiq Technology, Inc. H01J - Electric Discharge Tubes OR Discharge Lamps | 18 |
| 15999 | Essence Security International (E.S.I.) Ltd. G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems | 18 |
| 16000 | Etubics Corporation A61K - Preparations FOR Medical, Dental OR Toiletry Purposes | 18 |
Page 320 of 1000