US Patent Companies

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems

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

G06F - Electric Digital Data Processing

H04N - Pictorial Communication, e.g. Television

G06F - Electric Digital Data Processing

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering

H02K - Dynamo-electric Machines

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone

A01D - HARVESTING; Mowing

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams

B67D - Dispensing, Delivering OR Transferring Liquids, NOT Otherwise Provided FOR

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

C11D - Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles

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

D06M - Treatment, NOT Provided FOR Elsewhere IN Class D06, OF Fibres, Threads, Yarns, Fabrics, Feathers OR Fibrous Goods Made From Such Materials

H02S - Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules

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

B63H - Marine Propulsion OR Steering

B41J - TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors

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

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines

B01D - Separation

H04N - Pictorial Communication, e.g. Television

A61B - DIAGNOSIS; SURGERY; Identification

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h

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

G10L - Speech Analysis Techniques OR Speech SYNTHESIS; Speech RECOGNITION; Speech OR Voice Processing TECHNIQUES; Speech OR Audio Coding OR Decoding

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

H01T - Spark GAPS; Overvoltage Arresters Using Spark GAPS; Sparking PLUGS; Corona DEVICES; Generating Ions TO BE Introduced Into Non-enclosed Gases

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

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients

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

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

Y10T - Technical Subjects Covered BY Former US Classification

G06F - Electric Digital Data Processing

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

G06F - Electric Digital Data Processing

Y02T - Climate Change Mitigation Technologies Related TO Transportation

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing

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

G06F - Electric Digital Data Processing