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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 2007 - 2011 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 2007 2008 2009 2010 2011 Total
(U.S.) CA CALIFORNIA 12 6 9 8 4 39
(U.S.) WI WISCONSIN 3 5 6 7 2 23
(U.S.) TX TEXAS 3 4 5 3 7 22
(U.S.) OH OHIO 3 2 6 3 4 18
(U.S.) MN MINNESOTA 5 2 2 2 3 14
(U.S.) PA PENNSYLVANIA 4 1 2 7 0 14
(U.S.) IL ILLINOIS 0 1 2 7 3 13
(U.S.) NY NEW YORK 0 1 3 3 5 12
(U.S.) OK OKLAHOMA 2 2 1 1 3 9
(U.S.) FL FLORIDA 1 1 4 2 0 8
(U.S.) IN INDIANA 1 0 1 2 3 7
(U.S.) MA MASSACHUSETTS 1 3 1 1 1 7
(U.S.) NC NORTH CAROLINA 1 2 0 2 2 7
(U.S.) TN TENNESSEE 0 0 2 1 4 7
(U.S.) GA GEORGIA 2 1 1 1 1 6
(U.S.) KY KENTUCKY 2 0 2 0 1 5
(U.S.) MO MISSOURI 0 0 2 1 1 4
(U.S.) NH NEW HAMPSHIRE 1 0 1 1 1 4
(U.S.) NJ NEW JERSEY 1 0 0 3 0 4
(U.S.) CO COLORADO 0 0 3 0 0 3
(U.S.) CT CONNECTICUT 1 0 0 1 1 3
(U.S.) ID IDAHO 1 1 1 0 0 3
(U.S.) MD MARYLAND 0 1 0 1 1 3
(U.S.) MI MICHIGAN 0 0 2 1 0 3
(U.S.) NV NEVADA 2 0 0 0 1 3
(U.S.) OR OREGON 2 0 0 1 0 3
(U.S.) RI RHODE ISLAND 1 0 1 1 0 3
(U.S.) SC SOUTH CAROLINA 0 0 0 1 2 3
(U.S.) VA VIRGINIA 0 1 1 1 0 3
(U.S.) WA WASHINGTON 0 1 2 0 0 3
(U.S.) AZ ARIZONA 0 1 1 0 0 2
(U.S.) MS MISSISSIPPI 0 0 0 2 0 2
(U.S.) NM NEW MEXICO 0 0 0 1 1 2
(U.S.) WV WEST VIRGINIA 0 0 1 0 1 2
(U.S.) IA IOWA 0 0 0 0 1 1
(U.S.) LA LOUISIANA 0 0 0 0 1 1
(U.S.) SD SOUTH DAKOTA 1 0 0 0 0 1
(U.S.) WY WYOMING 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 50 36 62 66 54 268
(Foreign) DEX GERMANY 4 6 4 8 11 33
(Foreign) JPX JAPAN 2 1 11 8 6 28
(Foreign) CHX SWITZERLAND 2 2 4 2 13 23
(Foreign) CAX CANADA 5 2 4 1 0 12
(Foreign) FRX FRANCE 2 0 1 6 3 12
(Foreign) SEX SWEDEN 0 0 2 1 6 9
(Foreign) TWX TAIWAN 1 1 2 3 1 8
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 2 2 3 0 0 7
(Foreign) NLX NETHERLANDS 0 2 1 1 2 6
(Foreign) GBX UNITED KINGDOM 1 1 1 0 2 5
(Foreign) ITX ITALY 1 0 1 2 1 5
(Foreign) HKX CHINA, HONG KONG S.A.R. 2 1 0 1 0 4
(Foreign) KRX KOREA, SOUTH 2 0 0 0 2 4
(Foreign) VGX BRITISH VIRGIN ISLANDS 1 0 2 0 1 4
(Foreign) ESX SPAIN 0 0 1 1 1 3
(Foreign) ATX AUSTRIA 0 0 0 0 2 2
(Foreign) AUX AUSTRALIA 1 0 0 1 0 2
(Foreign) MXX MEXICO 0 0 0 2 0 2
(Foreign) SAX SAUDI ARABIA 1 1 0 0 0 2
(Foreign) ZAX SOUTH AFRICA 0 0 1 0 1 2
(Foreign) BEX BELGIUM 0 1 0 0 0 1
(Foreign) BYX BELARUS 0 0 1 0 0 1
(Foreign) CLX CHILE 0 0 0 0 1 1
(Foreign) KWX KUWAIT 0 0 0 0 1 1
(Foreign) NOX NORWAY 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 27 21 39 37 54 178
(ALL) ALL All Regions, U.S. and Foreign 77 57 101 103 108 446


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 materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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