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
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