US Patent Companies

E01B - Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors

F02B - Internal-combustion Piston ENGINES; Combustion Engines IN General

B01D - Separation

B60H - Arrangements OF Heating, Cooling, Ventilating OR Other Air-treating Devices Specially Adapted FOR Passenger OR Goods Spaces OF Vehicles

A61B - DIAGNOSIS; SURGERY; Identification

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution

C22C - Alloys

B61B - Railway SYSTEMS; Equipment Therefor NOT Otherwise Provided FOR

G06F - Electric Digital Data Processing

G06F - Electric Digital Data Processing

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Co

B60Q - Arrangement OF Signalling OR Lighting Devices, THE Mounting OR Supporting Thereof OR Circuits Therefor, FOR Vehicles IN General

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

G06F - Electric Digital Data Processing

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge

A61B - DIAGNOSIS; SURGERY; Identification

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashb

F41H - ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages

B66B - ELEVATORS; Escalators OR Moving Walkways

A61B - DIAGNOSIS; SURGERY; Identification

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

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

H01L - Semiconductor Devices NOT Covered BY Class H10

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

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam

A61B - DIAGNOSIS; SURGERY; Identification

G06F - Electric Digital Data Processing

F25D - REFRIGERATORS; Cold ROOMS; ICE-BOXES; Cooling OR Freezing Apparatus NOT Otherwise Provided FOR

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form

B63H - Marine Propulsion OR Steering

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

B60C - Vehicle TYRES; Tyre INFLATION; Tyre CHANGING; Connecting Valves TO Inflatable Elastic Bodies IN GENERAL; Devices OR Arrangements Related TO Tyres

B62K - CYCLES; Cycle FRAMES; Cycle Steering DEVICES; Rider-operated Terminal Controls Specially Adapted FOR CYCLES; Cycle Axle SUSPENSIONS; Cycle Side-cars, Forecars, OR THE Like

A41D - OUTERWEAR; Protective GARMENTS; Accessories

C07K - Peptides

C22C - Alloys

B66F - Hoisting, Lifting, Hauling OR Pushing, NOT Otherwise Provided FOR, e.g. Devices Which Apply A Lifting OR Pushing Force Directly TO THE Surface OF A Load

H04M - Telephonic Communication

G06F - Electric Digital Data Processing

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps

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