Preparing your result...
Loading...
Press Esc to dismiss this message
Search Patents, Applications, and Prior Art


Library News and Announcements

Welcome to our Summer 2011 Update!

We have recently added European Patent Office Patents and Applications to our collections. We continue to update our Chinese Patent Documents collections with data from SIPO as we receive it.

Prior Art Database users will discover we've integrated the sign-on process with the Library; watch for more improvements to come.

We are hope you find our library useful and always appreciate your feedback.

Library Features and Links

Popular Features

Recent Publications


International Patent Classification (IPC)
Personal or domestic articles: Wearing apparel   Headwear   Footwear   Haberdashery; jewellery   Hand or travelling articles   Brushware   Furniture; domestic articles...   [+3] [-3]
Separating; mixing: Physical or chemical processes...   Crushing, pulverising, or...   Separation of solid materials...   Centrifugal apparatus or...   Spraying or atomising in...   Generating or transmitting...   Separating solids from solids;...   Cleaning   Disposal of solid waste;...   [+5] [-5]
Shaping: Mechanical metal-working...   Casting; powder metallurgy   Machine tools; metal-working...   Grinding; polishing   Hand tools; portable...   Hand cutting tools; cutting;...   Working or preserving wood or...   Working cement, clay, or stone   Working of plastics; working...   Presses   Making paper articles; working...   Layered products   [+8] [-8]
Transporting: Vehicles in general   Railways   Land vehicles for travelling...   Ships or other waterborne...   Aircraft; aviation; cosmonauti...   Conveying; packing; storing;...   Hoisting; lifting; hauling   Opening or closing bottles,...   Saddlery; upholstery   [+5] [-5]
Micro-structural technology; nano-technology: Micro-structural technology   Nano-technology   Subject matter not otherwise...  
Chemistry: Inorganic chemistry   Treatment of water, waste...   Glass; mineral or slag wool   Cements; concrete; artificial...   Fertilisers; manufacture...   Explosives; matches   Organic chemistry   Organic macromolecular...   Dyes; paints; polishes;...   Petroleum, gas or coke...   Animal or vegetable oils,...   Biochemistry; beer; spirits;...   Sugar industry   Skins; hides; pelts; leather   [+10] [-10]
Textiles or flexible materials not otherwise provided for: Natural or artificial threads...   Yarns; mechanical finishing of...   Weaving   Braiding; lace-making;...   Sewing; embroidering; tufting   Treatment of textiles or the...   Ropes; cables other than...   [+3] [-3]
Building: Construction of roads,...   Hydraulic engineering;...   Water supply; sewerage   Building   Locks; keys; window or door...   Doors, windows, shutters, or...   [+2] [-2]
Lighting; heating: Lighting   Steam generation   Combustion apparatus;...   Heating; ranges; ventilating   Refrigeration or cooling;...   Drying   Furnaces; kilns; ovens;...   Heat exchange in general   [+4] [-4]
Instruments: Measuring; testing   Optics   Photography; cinematography;...   Horology   Controlling; regulating   Computing; calculating;...   Checking-devices   Signalling   Educating; cryptography;...   Musical instruments; acoustics   Information storage   Instrument details   [+8] [-8]
Basic electric elements   Generation, conversion, or...   Basic electronic circuitry   Electric communication...   Electric techniques not...   Subject matter not otherwise...   [+2] [-2]