US Patent Companies

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application

A61B - DIAGNOSIS; SURGERY; Identification

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

H04B - Transmission

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

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere

E02F - DREDGING; Soil-shifting

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;

Y10T - Technical Subjects Covered BY Former US Classification

F25J - Liquefaction, Solidification OR Separation OF Gases OR Gaseous ; OR Liquefied GASEOUS; Mixtures BY Pressure AND Cold Treatment ; OR BY Bringing Them Into THE Supercritical State

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

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

A61B - DIAGNOSIS; SURGERY; Identification

F24C - Domestic Stoves OR Ranges ; Details OF Domestic Stoves OR Ranges, OF General Application

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives

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

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

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps

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

H01L - Semiconductor Devices NOT Covered BY Class H10

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

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

H01Q - Antennas, i.e. Radio Aerials

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optica

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

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR;

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

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

A61B - DIAGNOSIS; SURGERY; Identification

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

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy

H04W - Wireless Communication Networks

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

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

B62D - Motor VEHICLES; Trailers

A43B - Characteristic Features OF FOOTWEAR; Parts OF Footwear

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

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

A01H - NEW Plants OR ; NON-TRANSGENIC; Processes FOR Obtaining THEM; Plant Reproduction BY Tissue Culture Techniques

A61C - DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene

F16J - Pistons ; CYLINDERS; Sealings

A61C - DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene

F16H - Gearing

A61B - DIAGNOSIS; SURGERY; Identification

G02B - Optical Elements, Systems OR Apparatus

H04N - Pictorial Communication, e.g. Television

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

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses