US Patent Companies

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

H02G - INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES

H03F - AMPLIFIERS

F21W - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10

A46B - BRUSHES

F21Y - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES

B60Y - INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY

F41G - WEAPON SIGHTS; AIMING

C22B - PRODUCTION AND REFINING OF METALS ; PRETREATMENT OF RAW MATERIALS

H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10

A63H - TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS

F41B - WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR

B01F - MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING

H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION

H03F - AMPLIFIERS

G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME

F21Y - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

E21B - EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

G06F - ELECTRIC DIGITAL DATA PROCESSING

A61B - DIAGNOSIS; SURGERY; IDENTIFICATION

G06T - IMAGE DATA PROCESSING OR GENERATION, IN GENERAL

E03B - INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER

G02C - SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES

A61H - PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFI

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

B41J - TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10

H10D - INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

A61D - VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS

A63J - DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE

B64D - EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT