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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 2000 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 429, Chemistry: Electrical Current Producing Apparatus, Product, and Process

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent origin is determined by the residence of the first-named inventor )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 2000 2001 2002 2003 2004 Total
(U.S.) NY NEW YORK 38 50 70 83 86 327
(U.S.) CA CALIFORNIA 37 37 28 42 60 204
(U.S.) CT CONNECTICUT 22 23 35 39 45 164
(U.S.) OH OHIO 23 33 26 25 16 123
(U.S.) MA MASSACHUSETTS 24 31 27 13 9 104
(U.S.) MI MICHIGAN 10 15 15 29 19 88
(U.S.) GA GEORGIA 19 14 16 6 10 65
(U.S.) PA PENNSYLVANIA 7 16 14 12 10 59
(U.S.) TX TEXAS 11 10 7 18 9 55
(U.S.) NJ NEW JERSEY 5 7 16 15 11 54
(U.S.) MN MINNESOTA 16 14 10 7 5 52
(U.S.) IL ILLINOIS 8 15 8 9 10 50
(U.S.) WI WISCONSIN 11 19 11 3 5 49
(U.S.) FL FLORIDA 9 15 9 8 5 46
(U.S.) WA WASHINGTON 6 6 11 8 12 43
(U.S.) AZ ARIZONA 3 9 12 7 9 40
(U.S.) NC NORTH CAROLINA 10 8 12 3 4 37
(U.S.) IN INDIANA 4 6 4 4 9 27
(U.S.) MD MARYLAND 3 5 5 9 3 25
(U.S.) ID IDAHO 10 7 3 3 0 23
(U.S.) NM NEW MEXICO 2 6 3 6 4 21
(U.S.) NV NEVADA 9 2 5 3 2 21
(U.S.) RI RHODE ISLAND 2 8 6 2 3 21
(U.S.) CO COLORADO 4 0 3 8 5 20
(U.S.) OR OREGON 1 1 6 4 8 20
(U.S.) NH NEW HAMPSHIRE 3 4 1 5 4 17
(U.S.) UT UTAH 6 5 1 2 2 16
(U.S.) TN TENNESSEE 3 6 1 3 1 14
(U.S.) VA VIRGINIA 1 4 2 1 2 10
(U.S.) DE DELAWARE 2 2 1 0 3 8
(U.S.) SC SOUTH CAROLINA 0 1 2 1 3 7
(U.S.) OK OKLAHOMA 0 1 0 5 0 6
(U.S.) KY KENTUCKY 1 0 1 2 0 4
(U.S.) MO MISSOURI 0 0 1 2 1 4
(U.S.) WV WEST VIRGINIA 1 0 2 1 0 4
(U.S.) IA IOWA 0 2 1 0 0 3
(U.S.) AL ALABAMA 0 0 1 0 1 2
(U.S.) KS KANSAS 1 0 0 1 0 2
(U.S.) LA LOUISIANA 1 0 1 0 0 2
(U.S.) HI HAWAII 0 0 0 1 0 1
(U.S.) MS MISSISSIPPI 1 0 0 0 0 1
(U.S.) VT VERMONT 0 1 0 0 0 1
(U.S.) WY WYOMING 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 314 383 377 390 377 1841
(Foreign) JPX JAPAN 215 265 335 349 369 1533
(Foreign) DEX GERMANY 41 31 39 57 58 226
(Foreign) KRX SOUTH KOREA 10 25 35 35 36 141
(Foreign) CAX CANADA 23 22 24 28 35 132
(Foreign) FRX FRANCE 25 15 24 9 10 83
(Foreign) GBX UNITED KINGDOM 8 8 6 12 11 45
(Foreign) TWX TAIWAN 6 6 7 6 10 35
(Foreign) ITX ITALY 8 4 4 4 4 24
(Foreign) ILX ISRAEL 3 6 6 5 3 23
(Foreign) NLX NETHERLANDS 1 1 10 5 3 20
(Foreign) CHX SWITZERLAND 3 9 2 1 3 18
(Foreign) DKX DENMARK 1 3 3 2 3 12
(Foreign) AUX AUSTRALIA 1 2 4 1 3 11
(Foreign) ATX AUSTRIA 0 0 2 2 3 7
(Foreign) CNX CHINA P.REP. 1 3 0 1 2 7
(Foreign) FIX FINLAND 1 0 1 1 3 6
(Foreign) RUX RUSSIAN FEDERATION 1 0 3 2 0 6
(Foreign) SEX SWEDEN 1 0 2 3 0 6
(Foreign) ESX SPAIN 0 1 0 2 0 3
(Foreign) NOX NORWAY 0 0 1 1 1 3
(Foreign) SGX SINGAPORE 2 0 0 1 0 3
(Foreign) BSX THE BAHAMAS 0 1 0 1 0 2
(Foreign) GRX GREECE 0 0 1 1 0 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 1 0 0 0 2
(Foreign) LVX LATVIA 0 0 0 2 0 2
(Foreign) MYX MALAYSIA 0 0 1 0 1 2
(Foreign) NZX NEW ZEALAND 0 0 0 1 1 2
(Foreign) ZAX SOUTH AFRICA 0 0 0 1 1 2
(Foreign) ARX ARGENTINA 1 0 0 0 0 1
(Foreign) BGX BULGARIA 0 0 0 1 0 1
(Foreign) INX INDIA 0 0 0 0 1 1
(Foreign) UAX UKRAINE 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 353 403 510 534 562 2362
(ALL) ALL All Regions, U.S. and Foreign 667 786 887 924 939 4203


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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