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Patent Genius is the leading patent site offering information on millions of patents. Whether you’re an inventor, a patent attorney or just somebody who is just curious about what patents are out there and who holds which patents we have the information you are looking for. Patent Genius has full text patent descriptions, lists of patents by inventor and companies that hold patents, the ability to view all patents in any class or category, and much more. Patent Genius also features searches by inventor, holder, patent number and patent title.

Patent Genius also features guides for helping you through the patent process including:
	Patent Application Process		Patent Approval Process		Selecting a Patent Attorney

Current Patent Genius Counts:
Total Patents: 3,988,835	Total Inventors: 2,361,974	Total Patent Holders: 339,906

Patents by category


Business	109,921
Data processing: financial, business practice, management, or cost/price determination	38,102
Education and demonstration	18,729
Electronic funds transfer	2,533
...more


Chemistry	1,906,668
Catalyst, solid sorbent, or support therefor: product or process of making	80,701
Chemistry of carbon compounds	1,795
Chemistry of hydrocarbon compounds	36,372
...more


Clothing, Fashion & Accessories	285,042
Apparel	32,265
Apparel and haberdashery	6,671
Apparel apparatus	3,794
...more


Communications	919,491
Acoustics	17,980
Communications, electrical: acoustic wave systems and devices	18,751
Communications: directive radio wave systems and devices (e.g., radar, radio navigation)	42,323
...more


Construction	539,897
Boring or penetrating the earth	21,831
Bridges	2,522
Building units and construction elements	12,060
...more


Electrical & Energy	1,544,511
Amplifiers	32,757
Automatic temperature and humidity regulation	8,217
Batteries: thermoelectric and photoelectric	12,641
...more


Engineering	373,225
Fluid handling	75,687
Hydraulic and earth engineering	31,210
Semiconductor device manufacturing: process	266,328
...more


Entertainment & Recreation	196,601
Amusement devices	3,381
Amusement devices: games	25,255
Amusement devices: games	14,625
...more


Firearms & Weapons	45,620
Ammunition and explosive-charge making	1,513
Ammunition and explosives	18,490
Firearms	8,451
...more


Food	146,908
Butchering	5,795
Edible products	2,277
Equipment for preparing or serving food or drink not elsewhere specified	7,952
...more


Health & Medicine	919,826
Dentistry	18,707
Drug, bio-affecting and body treating compositions	200,636
Drug, bio-affecting and body treating compositions	318,434
...more


Household	382,857
Baths, closets, sinks, and spittoons	22,732
Beds	29,836
Brush, broom, and mop making	656
...more


Industrial	1,710,298
Advancing material of indeterminate length	8,750
Agitating	26,799
Bearings	24,326
...more


Information Technology	1,481,668
Coded data generation or conversion	33,544
Computer graphics processing, operator interface processing, and selective visual display systems	99,695
Cryptography	20,970
...more


Material Science	1,853,383
Alloys or metallic compositions	18,385
Animal husbandry	18,147
Cleaning and liquid contact with solids	50,360
...more


Optical & Optics	552,841
Coherent light generators	43,857
Illumination	89,198
Image analysis	73,766
...more


Packaging & Containers	382,853
Article dispensing	15,596
Bottles and jars	18,509
Coin handling	1,454
...more


Paper, Printing & Office Supplies	248,495
Binder device releasably engaging aperture or notch of sheet	3,364
Bookbinding: process and apparatus	2,595
Books, strips, and leaves	5,003
...more


Physics	651,633
Active solid-state devices (e.g., transistors, solid-state diodes)	578,005
Induced nuclear reactions: processes, systems, and elements	20,525
Nuclear technology	8,451
...more


Plants, Animals & Agriculture	155,219
Animal husbandry	4,873
Bee culture	328
Butchering	5,795
...more


Tools & Hardware	398,968
Abrading	47,914
Abrasive tool making process, material, or composition	6,977
Adhesive bonding and miscellaneous chemical manufacture	137,416
...more