US Patent Companies

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture

H10K - Organic Electric Solid-state Devices

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices

H04W - Wireless Communication Networks

B43K - Implements FOR Writing OR Drawing

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GAS

H01L - Semiconductor Devices NOT Covered BY Class H10

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells

C30B - Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges

B60G - Vehicle Suspension Arrangements

G06K - Graphical Data Reading ; Presentation OF DATA; Record CARRIERS; Handling Record Carriers

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes

G06F - Electric Digital Data Processing

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

B31D - Making Articles OF Paper, Cardboard OR Material Worked IN A Manner Analogous TO Paper, NOT Provided FOR IN Subclasses B31b OR B31c

A61B - DIAGNOSIS; SURGERY; Identification

H04W - Wireless Communication Networks

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR

H01Q - Antennas, i.e. Radio Aerials

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

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

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General

Y10T - Technical Subjects Covered BY Former US Classification

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges

B61D - Body Details OR Kinds OF Railway Vehicles

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties

A41D - OUTERWEAR; Protective GARMENTS; Accessories

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal

B65B - Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking

G02B - Optical Elements, Systems OR Apparatus

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests

G06V - Image OR Video Recognition OR Understanding

G06F - Electric Digital Data Processing

F41G - Weapon SIGHTS; Aiming

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

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties