US Patent Companies

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

49,997 companies · page 923 of 1000

# Company Patents
46101 Dkfz Deutsches Krebsforschungszentrum
A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations
5
46102 DKK Company, Limited
H01Q - Antennas, i.e. Radio Aerials
5
46103 DKL International, Inc.
G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties
5
46104 DKT Verwaltungs-gmbh
H01T - Spark GAPS; Overvoltage Arresters Using Spark GAPS; Sparking PLUGS; Corona DEVICES; Generating Ions TO BE Introduced Into Non-enclosed Gases
5
46105 DLT Global Inc.
G06F - Electric Digital Data Processing
5
46106 DM Orthotics Limited
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
5
46107 DMG Mori Ultrasonic Lasertec GmbH
G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements
5
46108 Dmos Collective, Inc.
A01B - Soil Working IN Agriculture OR FORESTRY; Parts, Details, OR Accessories OF Agricultural Machines OR Implements, IN General
5
46109 DMetrix, Inc.
G02B - Optical Elements, Systems OR Apparatus
5
46110 Dnatrix, Inc.
A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations
5
46111 Document Security Systems, Inc.
G06K - Graphical Data Reading ; Presentation OF DATA; Record CARRIERS; Handling Record Carriers
5
46112 Doddle & Co., LLC
A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices
5
46113 Dolphin Co., Ltd.
G02B - Optical Elements, Systems OR Apparatus
5
46114 Dominant Opto Technologies SDN BHD.
H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers
5
46115 Donesta Bioscience B.V.
A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations
5
46116 Dong Yang INK Co., Ltd.
C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materi
5
46117 Dong-a Flexible Metal Tubes Co., Ltd
F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General
5
46118 Dong-a Teaching Materials Co., Ltd.
B44C - Producing Decorative Effects ; MOSAICS; Tarsia Work ; Paperhanging
5
46119 Dongfang Electric Corporation
F23C - Methods OR Apparatus FOR Combustion Using Fluid Fuel OR Solid Fuel Suspended IN ; A Carrier GAS OR; AIR
5
46120 Dongguan Boyi Furniture Co., Ltd. 5
46121 Dongguan City Minleon Electronics Co., Ltd.
F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR
5
46122 Dongguan DSP Technology Co., Ltd.
C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor
5
46123 Dongguan Frontier Technology Institute
G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry
5
46124 Dongguan Hesheng Machinery & Electric Co., Ltd.
F04B - Positive-displacement Machines FOR LIQUIDS; Pumps
5
46125 Dongguan Iine Technology Co., Ltd 5
46126 Dongguan JUN Shun Plastic Mold Co., Ltd. 5
46127 Dongguan Kotion Electronics Tech Co., Ltd 5
46128 Dongguan Meiluodi Electronics Co., Ltd 5
46129 Dongguan OSM Digital Co., Ltd. 5
46130 Dongguan Paifan Electronic Technology Co., Ltd. 5
46131 Dongguan Pengteng Hardware Electronic Co., Ltd
H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors
5
46132 Dongguan Power Bureau OF Guangdong Power Grid Co., Ltd.
Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution
5
46133 Dongguan Qingxi Kwong WAH Lock MFY. Co. Ltd.
G07C - Time OR Attendance REGISTERS; Registering OR Indicating THE Working OF MACHINES; Generating Random NUMBERS; Voting OR Lottery APPARATUS; Arrangements, Systems OR Apparatus FOR Checking NOT Provided FO
5
46134 Dongguan Weihong Smart Home Technology Co., Ltd.
A47C - CHAIRS; SOFAS; Beds
5
46135 Dongguan Yixin Magnetic Disk Co., Ltd
B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles
5
46136 Dongguan Yuanchuang Electronic Technology Co., Ltd.
H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors
5
46137 Dongguan Yuansheng Technology Co., Ltd. 5
46138 Dongguk University Gyeongju Campus Industry-academy Cooperation Foundation
H04N - Pictorial Communication, e.g. Television
5
46139 Dongshin Polymer Co., Ltd.
E04F - Finishing Work ON Buildings, e.g. Stairs, Floors
5
46140 Dongwoo HST 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
5
46141 Dongwoun Industrial Co., Ltd.
B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted MO
5
46142 Doosan Enerbnlity Co., Ltd.
F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines
5
46143 Doosan Solus Co., Ltd.
C07D - Heterocyclic Compounds
5
46144 DOPE.SECURITY Inc.
G06F - Electric Digital Data Processing
5
46145 Dopple IP B.V.
H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems
5
46146 Doria International Inc 5
46147 DOS Viejos Amigos, LLC
B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General
5
46148 Doseoptics, LLC
G01T - Measurement OF Nuclear OR X-radiation
5
46149 Double Black Aviation Technology L.L.C.
G08G - Traffic Control Systems
5
46150 DOW A F-tec Co., Ltd.
H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties
5
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