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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 2006 - 2010 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 166, Wells (shafts or deep borings in the earth, e.g., for oil and gas)

( 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 2006 2007 2008 2009 2010 Total
(U.S.) TX TEXAS 385 339 350 337 497 1908
(U.S.) OK OKLAHOMA 128 115 99 76 119 537
(U.S.) LA LOUISIANA 26 36 31 35 38 166
(U.S.) CA CALIFORNIA 13 11 9 15 14 62
(U.S.) CO COLORADO 8 8 16 12 16 60
(U.S.) UT UTAH 7 8 6 5 6 32
(U.S.) WV WEST VIRGINIA 9 5 4 0 6 24
(U.S.) WA WASHINGTON 7 2 4 1 7 21
(U.S.) MA MASSACHUSETTS 3 1 2 2 10 18
(U.S.) NM NEW MEXICO 1 3 3 3 8 18
(U.S.) WY WYOMING 3 3 1 5 5 17
(U.S.) PA PENNSYLVANIA 2 2 4 5 3 16
(U.S.) GA GEORGIA 5 1 2 5 1 14
(U.S.) CT CONNECTICUT 3 0 4 2 3 12
(U.S.) AK ALASKA 0 1 2 2 6 11
(U.S.) KS KANSAS 1 0 2 3 5 11
(U.S.) IL ILLINOIS 1 0 2 6 1 10
(U.S.) NY NEW YORK 3 4 1 1 1 10
(U.S.) WI WISCONSIN 1 0 2 6 0 9
(U.S.) NJ NEW JERSEY 0 0 3 0 5 8
(U.S.) AZ ARIZONA 0 2 1 0 4 7
(U.S.) ID IDAHO 3 2 0 1 0 6
(U.S.) MO MISSOURI 0 4 1 0 1 6
(U.S.) FL FLORIDA 1 1 1 1 1 5
(U.S.) MI MICHIGAN 1 0 1 0 3 5
(U.S.) MD MARYLAND 0 1 0 0 3 4
(U.S.) MN MINNESOTA 1 1 1 0 1 4
(U.S.) DE DELAWARE 0 0 0 0 3 3
(U.S.) IA IOWA 0 1 0 1 1 3
(U.S.) ME MAINE 0 2 1 0 0 3
(U.S.) NC NORTH CAROLINA 1 0 0 2 0 3
(U.S.) TN TENNESSEE 0 0 0 1 2 3
(U.S.) AL ALABAMA 0 1 0 0 1 2
(U.S.) AR ARKANSAS 0 0 0 1 1 2
(U.S.) IN INDIANA 0 0 0 0 2 2
(U.S.) MS MISSISSIPPI 0 0 0 1 1 2
(U.S.) MT MONTANA 0 1 0 1 0 2
(U.S.) NE NEBRASKA 0 0 0 1 1 2
(U.S.) OR OREGON 0 2 0 0 0 2
(U.S.) RI RHODE ISLAND 1 0 1 0 0 2
(U.S.) SC SOUTH CAROLINA 0 0 0 1 1 2
(U.S.) VA VIRGINIA 0 0 1 1 0 2
(U.S.) KY KENTUCKY 0 0 1 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 1 0 0 1
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 1 1
(U.S.) NV NEVADA 0 0 0 0 1 1
(U.S.) OH OHIO 0 0 1 0 0 1
(U.S.) SD SOUTH DAKOTA 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 614 557 559 533 779 3042
(Foreign) GBX UNITED KINGDOM 76 55 51 39 75 296
(Foreign) CAX CANADA 49 53 41 45 75 263
(Foreign) NOX NORWAY 18 28 18 21 25 110
(Foreign) NLX NETHERLANDS 22 16 10 11 12 71
(Foreign) FRX FRANCE 10 9 9 11 23 62
(Foreign) DEX GERMANY 13 8 4 6 10 41
(Foreign) RUX RUSSIAN FEDERATION 6 5 2 6 8 27
(Foreign) SAX SAUDI ARABIA 0 3 6 1 6 16
(Foreign) BRX BRAZIL 2 2 8 3 0 15
(Foreign) AUX AUSTRALIA 1 0 4 1 7 13
(Foreign) MYX MALAYSIA 1 2 2 3 3 11
(Foreign) JPX JAPAN 2 2 3 1 2 10
(Foreign) ARX ARGENTINA 0 0 3 0 6 9
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 1 2 0 2 4 9
(Foreign) ITX ITALY 2 1 2 0 4 9
(Foreign) SGX SINGAPORE 4 1 2 1 0 8
(Foreign) UAX UKRAINE 5 1 2 0 0 8
(Foreign) DKX DENMARK 1 1 1 2 1 6
(Foreign) IMX ISLE OF MAN 2 0 2 0 1 5
(Foreign) MXX MEXICO 1 1 1 1 0 4
(Foreign) OMX OMAN 0 0 3 1 0 4
(Foreign) TWX TAIWAN 0 0 1 0 3 4
(Foreign) AEX UNITED ARAB EMIRATES 1 0 1 1 0 3
(Foreign) ECX ECUADOR 2 1 0 0 0 3
(Foreign) IDX INDONESIA 0 1 1 0 1 3
(Foreign) THX THAILAND 1 0 1 0 1 3
(Foreign) VEX VENEZUELA 0 1 1 0 1 3
(Foreign) ZAX SOUTH AFRICA 1 0 0 0 2 3
(Foreign) BEX BELGIUM 1 0 0 0 1 2
(Foreign) ESX SPAIN 0 0 0 0 2 2
(Foreign) ILX ISRAEL 0 0 0 0 2 2
(Foreign) INX INDIA 0 0 0 1 1 2
(Foreign) KRX KOREA, SOUTH 0 0 1 0 1 2
(Foreign) ROX ROMANIA 0 0 2 0 0 2
(Foreign) SEX SWEDEN 0 0 0 0 2 2
(Foreign) AZX AZERBAIJAN 1 0 0 0 0 1
(Foreign) BHX BAHRAIN 0 0 0 0 1 1
(Foreign) BNX BRUNEI DARUSSALAM 0 0 0 1 0 1
(Foreign) CHX SWITZERLAND 1 0 0 0 0 1
(Foreign) FIX FINLAND 0 0 0 0 1 1
(Foreign) GAX GABON 0 1 0 0 0 1
(Foreign) HRX CROATIA 0 1 0 0 0 1
(Foreign) IEX IRELAND 0 0 0 0 1 1
(Foreign) MCX MONACO 0 1 0 0 0 1
(Foreign) QAX QATAR 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 224 196 183 158 282 1043
(ALL) ALL All Regions, U.S. and Foreign 838 753 742 691 1061 4085


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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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