US Patent Companies

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

50,000 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
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