US Patent Companies

E06B - Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

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

B66C - CRANES; Load-engaging Elements OR Devices FOR Cranes, Capstans, Winches, OR Tackles

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

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents

C07G - Compounds OF Unknown Constitution

H01L - Semiconductor Devices NOT Covered BY Class H10

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes

H04M - Telephonic Communication

C07K - Peptides

A61B - DIAGNOSIS; SURGERY; Identification

C10B - Destructive Distillation OF Carbonaceous Materials FOR Production OF GAS, Coke, TAR, OR Similar Materials

B01D - Separation

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

A24F - Smokers' REQUISITES; Match BOXES; Simulated Smoking Devices

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds

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

H03K - Pulse Technique

H03J - Tuning Resonant CIRCUITS; Selecting Resonant Circuits

H04B - Transmission

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

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties

E01C - Construction OF, OR Surfaces FOR, Roads, Sports Grounds, OR THE LIKE; Machines OR Auxiliary Tools FOR Construction OR Repair

G02B - Optical Elements, Systems OR Apparatus

G06F - Electric Digital Data Processing

G06F - Electric Digital Data Processing

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

C07K - Peptides

H02H - Emergency Protective Circuit Arrangements

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

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

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

G01K - Measuring TEMPERATURE; Measuring Quantity OF HEAT; Thermally-sensitive Elements NOT Otherwise Provided FOR

C07D - Heterocyclic Compounds

H01L - Semiconductor Devices NOT Covered BY Class H10

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT OT

G09B - Educational OR Demonstration APPLIANCES; Appliances FOR Teaching, OR Communicating With, THE Blind, Deaf OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; Diagrams

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

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles

E01C - Construction OF, OR Surfaces FOR, Roads, Sports Grounds, OR THE LIKE; Machines OR Auxiliary Tools FOR Construction OR Repair

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices

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

B01D - Separation

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