US Patent Companies

A61B - DIAGNOSIS; SURGERY; Identification

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR

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

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems

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

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft

G02B - Optical Elements, Systems OR Apparatus

F01P - Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR

C03B - Manufacture, Shaping, OR Supplementary Processes

E21D - SHAFTS; TUNNELS; GALLERIES; Large Underground Chambers

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours

A47G - Household OR Table Equipment

B62B - Hand-propelled Vehicles, e.g. Hand Carts OR PERAMBULATORS; Sledges

A24B - Manufacture OR Preparation OF Tobacco FOR Smoking OR CHEWING; TOBACCO; Snuff

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

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR F

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating

F27D - Details OR Accessories OF Furnaces, Kilns, Ovens OR Retorts, IN SO FAR AS They ARE OF Kinds Occurring IN More Than ONE Kind OF Furnace

A61B - DIAGNOSIS; SURGERY; Identification

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere

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

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

A61B - DIAGNOSIS; SURGERY; Identification

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arra

A23G - COCOA; Cocoa Products, e.g. CHOCOLATE; Substitutes FOR Cocoa OR Cocoa PRODUCTS; CONFECTIONERY; Chewing GUM; ICE-CREAM; Preparation Thereof

C07D - Heterocyclic Compounds

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

H03F - Amplifiers

H01L - Semiconductor Devices NOT Covered BY Class H10

G06F - Electric Digital Data Processing

H02G - Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media

G11C - Static Stores

Y10T - Technical Subjects Covered BY Former US Classification

B66B - ELEVATORS; Escalators OR Moving Walkways

G06F - Electric Digital Data Processing

B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors

G06F - Electric Digital Data Processing

Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR