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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 507, Earth Boring, Well Treating, and Oil Field Chemistry

( 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.) TX TEXAS 31 22 55 60 84 252
(U.S.) OK OKLAHOMA 15 11 26 41 32 125
(U.S.) DE DELAWARE 0 1 1 13 2 17
(U.S.) LA LOUISIANA 3 3 2 3 4 15
(U.S.) NJ NEW JERSEY 3 4 1 1 5 14
(U.S.) CA CALIFORNIA 1 3 2 3 1 10
(U.S.) IL ILLINOIS 0 0 0 0 6 6
(U.S.) MI MICHIGAN 0 1 0 3 1 5
(U.S.) PA PENNSYLVANIA 2 1 2 0 0 5
(U.S.) WI WISCONSIN 0 0 0 1 4 5
(U.S.) CO COLORADO 0 0 1 1 2 4
(U.S.) GA GEORGIA 0 0 0 2 2 4
(U.S.) OH OHIO 0 1 0 1 1 3
(U.S.) KS KANSAS 0 0 0 2 0 2
(U.S.) MA MASSACHUSETTS 0 0 1 0 1 2
(U.S.) MN MINNESOTA 0 0 1 1 0 2
(U.S.) MO MISSOURI 0 0 2 0 0 2
(U.S.) AR ARKANSAS 0 0 0 1 0 1
(U.S.) IA IOWA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 56 47 94 133 145 475
(Foreign) GBX UNITED KINGDOM 6 9 7 20 8 50
(Foreign) CAX CANADA 1 3 5 5 20 34
(Foreign) DEX GERMANY 1 1 4 5 8 19
(Foreign) FRX FRANCE 6 1 0 4 3 14
(Foreign) VEX VENEZUELA 0 0 2 3 4 9
(Foreign) NOX NORWAY 1 1 1 2 1 6
(Foreign) RUX RUSSIAN FEDERATION 1 0 1 3 1 6
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 0 1 0 1 3 5
(Foreign) SAX SAUDI ARABIA 0 0 2 1 1 4
(Foreign) NLX NETHERLANDS 1 1 0 0 1 3
(Foreign) BRX BRAZIL 1 1 0 0 0 2
(Foreign) CHX SWITZERLAND 0 0 0 2 0 2
(Foreign) JPX JAPAN 0 0 0 2 0 2
(Foreign) ZAX SOUTH AFRICA 0 1 0 0 1 2
(Foreign) ARX ARGENTINA 0 0 0 0 1 1
(Foreign) AUX AUSTRALIA 0 0 0 0 1 1
(Foreign) INX INDIA 0 0 0 0 1 1
(Foreign) ITX ITALY 0 0 0 0 1 1
(Foreign) MXX MEXICO 1 0 0 0 0 1
(Foreign) MYX MALAYSIA 0 0 1 0 0 1
(Foreign) QAX QATAR 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 19 19 24 48 55 165
(ALL) ALL All Regions, U.S. and Foreign 75 66 118 181 200 640


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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