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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 1998 - 2002 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 431, Combustion

( 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 1998 1999 2000 2001 2002 Total
(U.S.) CA CALIFORNIA 8 16 34 26 18 102
(U.S.) NY NEW YORK 9 18 7 13 7 54
(U.S.) OH OHIO 10 10 6 9 14 49
(U.S.) IL ILLINOIS 4 13 15 7 5 44
(U.S.) CT CONNECTICUT 2 8 8 5 10 33
(U.S.) MA MASSACHUSETTS 2 9 11 7 1 30
(U.S.) TX TEXAS 6 4 3 4 5 22
(U.S.) FL FLORIDA 2 3 4 5 3 17
(U.S.) MN MINNESOTA 0 3 3 4 7 17
(U.S.) TN TENNESSEE 3 6 3 1 3 16
(U.S.) IN INDIANA 4 4 2 1 4 15
(U.S.) PA PENNSYLVANIA 3 2 2 4 4 15
(U.S.) MI MICHIGAN 4 2 4 2 2 14
(U.S.) OK OKLAHOMA 3 3 2 2 4 14
(U.S.) KS KANSAS 4 4 2 1 2 13
(U.S.) NJ NEW JERSEY 5 1 2 2 3 13
(U.S.) WI WISCONSIN 1 5 3 3 0 12
(U.S.) KY KENTUCKY 4 4 2 0 0 10
(U.S.) GA GEORGIA 0 3 2 2 2 9
(U.S.) NM NEW MEXICO 1 1 0 2 5 9
(U.S.) SC SOUTH CAROLINA 1 3 0 3 1 8
(U.S.) MD MARYLAND 1 2 1 0 1 5
(U.S.) NV NEVADA 0 2 1 1 1 5
(U.S.) AR ARKANSAS 1 3 0 0 0 4
(U.S.) CO COLORADO 0 1 1 2 0 4
(U.S.) LA LOUISIANA 0 0 1 1 2 4
(U.S.) VA VIRGINIA 0 0 2 1 1 4
(U.S.) WA WASHINGTON 0 1 0 2 1 4
(U.S.) MO MISSOURI 2 0 0 0 1 3
(U.S.) RI RHODE ISLAND 0 1 1 1 0 3
(U.S.) UT UTAH 1 1 0 0 1 3
(U.S.) AZ ARIZONA 0 1 0 1 0 2
(U.S.) IA IOWA 0 2 0 0 0 2
(U.S.) MS MISSISSIPPI 0 1 0 0 1 2
(U.S.) SD SOUTH DAKOTA 1 1 0 0 0 2
(U.S.) WV WEST VIRGINIA 1 0 1 0 0 2
(U.S.) AL ALABAMA 0 0 0 0 1 1
(U.S.) ID IDAHO 0 0 0 1 0 1
(U.S.) NC NORTH CAROLINA 1 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 1 0 0 1
(U.S.) OR OREGON 1 0 0 0 0 1
(U.S.) VT VERMONT 0 0 1 0 0 1
(U.S.) WY WYOMING 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 85 138 125 114 110 572
(Foreign) JPX JAPAN 16 24 31 10 9 90
(Foreign) DEX GERMANY 15 13 9 10 5 52
(Foreign) TWX TAIWAN 12 10 6 16 7 51
(Foreign) CHX SWITZERLAND 13 14 10 7 5 49
(Foreign) CAX CANADA 12 15 7 5 7 46
(Foreign) FRX FRANCE 10 12 10 6 8 46
(Foreign) GBX UNITED KINGDOM 7 12 3 3 3 28
(Foreign) HKX CHINA,HONG KONG S.A.R. 6 3 5 6 4 24
(Foreign) KRX SOUTH KOREA 4 4 3 4 6 21
(Foreign) ITX ITALY 2 2 6 2 1 13
(Foreign) SEX SWEDEN 1 2 1 4 1 9
(Foreign) RUX RUSSIAN FEDERATION 0 0 6 2 0 8
(Foreign) AUX AUSTRALIA 1 2 1 1 0 5
(Foreign) NOX NORWAY 1 1 1 0 1 4
(Foreign) ATX AUSTRIA 0 2 1 0 0 3
(Foreign) BEX BELGIUM 1 0 2 0 0 3
(Foreign) CNX CHINA P.REP. 0 0 2 0 1 3
(Foreign) ESX SPAIN 0 1 0 0 2 3
(Foreign) FIX FINLAND 1 0 1 1 0 3
(Foreign) ILX ISRAEL 0 0 1 1 1 3
(Foreign) MXX MEXICO 1 0 1 1 0 3
(Foreign) NLX NETHERLANDS 2 1 0 0 0 3
(Foreign) DKX DENMARK 0 0 0 1 0 1
(Foreign) IEX IRELAND 0 0 0 1 0 1
(Foreign) PTX PORTUGAL 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 106 118 107 81 61 473
(ALL) ALL All Regions, U.S. and Foreign 191 256 232 195 171 1045


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
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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