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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: 4,063,300	Total Inventors: 2,361,974	Total Patent Holders: 339,906

Patents by category


Business	113,400
Data processing: financial, business practice, management, or cost/price determination	40,805
Education and demonstration	18,875
Electronic funds transfer	2,561
...more


Chemistry	1,931,247
Catalyst, solid sorbent, or support therefor: product or process of making	82,274
Chemistry of carbon compounds	1,796
Chemistry of hydrocarbon compounds	36,731
...more


Clothing, Fashion & Accessories	288,693
Apparel	32,514
Apparel and haberdashery	7,212
Apparel apparatus	3,807
...more


Communications	951,178
Acoustics	18,231
Communications, electrical: acoustic wave systems and devices	18,924
Communications: directive radio wave systems and devices (e.g., radar, radio navigation)	43,411
...more


Construction	545,515
Boring or penetrating the earth	22,111
Bridges	2,560
Building units and construction elements	12,270
...more


Electrical & Energy	1,571,883
Amplifiers	33,359
Automatic temperature and humidity regulation	8,292
Batteries: thermoelectric and photoelectric	12,795
...more


Engineering	380,886
Fluid handling	76,233
Hydraulic and earth engineering	31,485
Semiconductor device manufacturing: process	273,168
...more


Entertainment & Recreation	199,932
Amusement devices	3,415
Amusement devices: games	25,537
Amusement devices: games	15,313
...more


Firearms & Weapons	46,273
Ammunition and explosive-charge making	1,524
Ammunition and explosives	18,677
Firearms	8,619
...more


Food	148,721
Butchering	5,835
Edible products	2,324
Equipment for preparing or serving food or drink not elsewhere specified	8,701
...more


Health & Medicine	933,779
Dentistry	18,860
Drug, bio-affecting and body treating compositions	203,664
Drug, bio-affecting and body treating compositions	321,986
...more


Household	389,862
Baths, closets, sinks, and spittoons	22,826
Beds	30,265
Brush, broom, and mop making	663
...more


Industrial	1,729,258
Advancing material of indeterminate length	8,776
Agitating	26,954
Bearings	24,606
...more


Information Technology	1,535,216
Coded data generation or conversion	34,350
Computer graphics processing, operator interface processing, and selective visual display systems	103,664
Cryptography	21,839
...more


Material Science	1,871,054
Alloys or metallic compositions	18,535
Animal husbandry	18,349
Cleaning and liquid contact with solids	50,974
...more


Optical & Optics	566,353
Coherent light generators	44,758
Illumination	91,522
Image analysis	77,399
...more


Packaging & Containers	388,852
Article dispensing	15,808
Bottles and jars	18,678
Coin handling	1,469
...more


Paper, Printing & Office Supplies	250,595
Binder device releasably engaging aperture or notch of sheet	3,383
Bookbinding: process and apparatus	2,630
Books, strips, and leaves	5,018
...more


Physics	664,262
Active solid-state devices (e.g., transistors, solid-state diodes)	589,726
Induced nuclear reactions: processes, systems, and elements	20,621
Nuclear technology	8,451
...more


Plants, Animals & Agriculture	158,056
Animal husbandry	4,974
Bee culture	333
Butchering	5,835
...more


Tools & Hardware	403,566
Abrading	48,372
Abrasive tool making process, material, or composition	7,026
Adhesive bonding and miscellaneous chemical manufacture	138,296
...more