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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

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

Count of 2005 - 2009 Utility Patent Grants,
As Distributed 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 a 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 either by year of patent grant or by year of patent application.
(U.S. or Foreign) Code State-Territory or Country 2005 2006 2007 2008 2009 Total
(U.S.) CA CALIFORNIA 15 14 12 6 9 56
(U.S.) TX TEXAS 16 8 3 4 5 36
(U.S.) OH OHIO 6 1 3 2 6 18
(U.S.) PA PENNSYLVANIA 7 3 4 1 2 17
(U.S.) MN MINNESOTA 4 2 5 2 2 15
(U.S.) IL ILLINOIS 6 5 0 1 2 14
(U.S.) WI WISCONSIN 0 0 3 5 6 14
(U.S.) OK OKLAHOMA 5 3 2 2 1 13
(U.S.) FL FLORIDA 5 1 1 1 4 12
(U.S.) CT CONNECTICUT 5 3 1 0 0 9
(U.S.) MA MASSACHUSETTS 1 2 1 3 1 8
(U.S.) MO MISSOURI 2 4 0 0 2 8
(U.S.) NY NEW YORK 3 0 0 1 3 7
(U.S.) GA GEORGIA 2 0 2 1 1 6
(U.S.) IN INDIANA 4 0 1 0 1 6
(U.S.) MI MICHIGAN 2 1 0 0 2 5
(U.S.) NC NORTH CAROLINA 1 1 1 2 0 5
(U.S.) WA WASHINGTON 1 1 0 1 2 5
(U.S.) CO COLORADO 1 0 0 0 3 4
(U.S.) KY KENTUCKY 0 0 2 0 2 4
(U.S.) NH NEW HAMPSHIRE 0 2 1 0 1 4
(U.S.) RI RHODE ISLAND 2 0 1 0 1 4
(U.S.) AZ ARIZONA 1 0 0 1 1 3
(U.S.) ID IDAHO 0 0 1 1 1 3
(U.S.) MD MARYLAND 2 0 0 1 0 3
(U.S.) NJ NEW JERSEY 2 0 1 0 0 3
(U.S.) NV NEVADA 0 1 2 0 0 3
(U.S.) OR OREGON 1 0 2 0 0 3
(U.S.) VA VIRGINIA 1 0 0 1 1 3
(U.S.) WV WEST VIRGINIA 1 1 0 0 1 3
(U.S.) TN TENNESSEE 0 0 0 0 2 2
(U.S.) IA IOWA 1 0 0 0 0 1
(U.S.) KS KANSAS 0 1 0 0 0 1
(U.S.) ME MAINE 0 1 0 0 0 1
(U.S.) NE NEBRASKA 1 0 0 0 0 1
(U.S.) SC SOUTH CAROLINA 1 0 0 0 0 1
(U.S.) SD SOUTH DAKOTA 0 0 1 0 0 1
(U.S.) WY WYOMING 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 100 55 50 36 62 303
(Foreign) JPX JAPAN 18 9 2 1 11 41
(Foreign) DEX GERMANY 13 10 4 6 4 37
(Foreign) TWX TAIWAN 9 5 1 1 2 18
(Foreign) CAX CANADA 2 2 5 2 4 15
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 3 2 2 2 3 12
(Foreign) CHX SWITZERLAND 3 0 2 2 4 11
(Foreign) FRX FRANCE 3 5 2 0 1 11
(Foreign) KRX KOREA, SOUTH 4 2 2 0 0 8
(Foreign) GBX UNITED KINGDOM 2 2 1 1 1 7
(Foreign) ITX ITALY 2 3 1 0 1 7
(Foreign) VGX BRITISH VIRGIN ISLANDS 3 1 1 0 2 7
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 1 2 1 0 5
(Foreign) ESX SPAIN 1 2 0 0 1 4
(Foreign) NLX NETHERLANDS 1 0 0 2 1 4
(Foreign) SEX SWEDEN 1 1 0 0 2 4
(Foreign) AUX AUSTRALIA 1 0 1 0 0 2
(Foreign) BEX BELGIUM 1 0 0 1 0 2
(Foreign) SAX SAUDI ARABIA 0 0 1 1 0 2
(Foreign) BYX BELARUS 0 0 0 0 1 1
(Foreign) ILX ISRAEL 1 0 0 0 0 1
(Foreign) MXX MEXICO 0 1 0 0 0 1
(Foreign) NOX NORWAY 0 0 0 1 0 1
(Foreign) PTX PORTUGAL 0 1 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 69 47 27 21 39 203
(ALL) ALL All Regions, U.S. and Foreign 169 102 77 57 101 506


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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