US Patent Companies

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

49,997 companies · page 629 of 1000

# Company Patents
31401 Dong Yang Piston Co., Ltd.
F02F - Cylinders, Pistons OR Casings, FOR Combustion ENGINES; Arrangements OF Sealings IN Combustion Engines
8
31402 Dongguan Hongyu Plastic Rubber Co., Ltd.
A47C - CHAIRS; SOFAS; Beds
8
31403 Dongguan Lianrun Lighting Co., Ltd.
F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors
8
31404 Douxmatok Ltd
A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof
8
31405 DOW Brasil Sudeste Industrial Ltda.
A61Q - Specific USE OF Cosmetics OR Similar Toiletry Preparations
8
31406 Dowooinsys Co., Ltd.
C03B - Manufacture, Shaping, OR Supplementary Processes
8
31407 Dragonfruit AI, Inc
G06V - Image OR Video Recognition OR Understanding
8
31408 Dream Lion International Limited 8
31409 Dreamgear, LLC 8
31410 DRK Blutspendedienst BADEN-WÜRTTEMBERG-HESSEN Ggmbh
A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations
8
31411 Drtech Corporation
A61B - DIAGNOSIS; SURGERY; Identification
8
31412 Drug Delivery Co., LLC.
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
8
31413 Drycode Gear LLC 8
31414 DSA International, LLC
A47B - TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture
8
31415 DSilo Inc.
G06F - Electric Digital Data Processing
8
31416 Dten, Inc.
G06F - Electric Digital Data Processing
8
31417 Dupont Teijin Advanced Papers (JAPAN), Ltd.
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
8
31418 Dura Automotive Holdings U.K., Ltd
B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR
8
31419 DXO Labs
H04N - Pictorial Communication, e.g. Television
8
31420 Dymax Corporation
C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds
8
31421 Dynamic AIR Inc
B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors
8
31422 Dynamic Magnetics, LLC
A61B - DIAGNOSIS; SURGERY; Identification
8
31423 Dynepic Sports, LLC
A63B - Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment
8
31424 DZS Inc.
H04W - Wireless Communication Networks
8
31425 Dabney Patents, L.L.C.
A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy
8
31426 Daio Engineering Co., Ltd.
B65C - Labelling OR Tagging Machines, Apparatus, OR Processes
8
31427 Dakine IP Holdings LP
B63C - Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects
8
31428 Danfoss Mobile Electrification Oy
Y02T - Climate Change Mitigation Technologies Related TO Transportation
8
31429 Datiphy Inc.
G06F - Electric Digital Data Processing
8
31430 Dauphine Entwicklungs- u. Beteiligungs-GmbH 8
31431 Davian Enterprises, LLC
B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State
8
31432 DeLorean, LLC
G08G - Traffic Control Systems
8
31433 Deco Lav, Inc. 8
31434 Defenshield, Inc.
F41H - ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General
8
31435 Del Mar Pharmaceuticals (BC) Limited
A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations
8
31436 Delca Corp. 8
31437 Delcam Limited
G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements
8
31438 Deltran Operations USA, Inc.
H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy
8
31439 Depixus
C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Micr
8
31440 Deuteria Beverages, LLC
C12G - WINE; Preparation THEREOF; Alcoholic Beverages ; Preparation OF Alcoholic Beverages NOT Provided FOR IN Subclasses C12c OR C12h
8
31441 DevMar Products, LLC
A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators
8
31442 Devicescape Software, Inc.
H04L - Transmission OF Digital Information, e.g. Telegraphic Communication
8
31443 Dextera Surgical
A61B - DIAGNOSIS; SURGERY; Identification
8
31444 Diagnostic BioSystems
G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties
8
31445 Diagnostics for the Real World, Ltd.
B01L - Chemical OR Physical Laboratory Apparatus FOR General USE
8
31446 Diem GmbH
F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors
8
31447 Digger Specialties, Inc.
E04F - Finishing Work ON Buildings, e.g. Stairs, Floors
8
31448 Digital Aerolus, Inc.
G05D - Systems FOR Controlling OR Regulating Non-electric Variables
8
31449 DigitalOptometrics LLC
A61B - DIAGNOSIS; SURGERY; Identification
8
31450 Dimex Office Products LLC
A47G - Household OR Table Equipment
8
Page 629 of 1000