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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

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

Count of 2004 - 2008 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 251, Valves and Valve Actuation

( 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 2004 2005 2006 2007 2008 Total
(U.S.) CA CALIFORNIA 22 30 27 10 6 95
(U.S.) TX TEXAS 8 17 24 17 13 79
(U.S.) MI MICHIGAN 11 15 11 13 5 55
(U.S.) IL ILLINOIS 11 7 11 8 6 43
(U.S.) NY NEW YORK 10 13 8 5 1 37
(U.S.) OH OHIO 6 12 3 5 3 29
(U.S.) FL FLORIDA 4 5 10 6 3 28
(U.S.) MA MASSACHUSETTS 5 8 5 4 5 27
(U.S.) IA IOWA 4 10 6 4 2 26
(U.S.) MN MINNESOTA 4 7 7 1 4 23
(U.S.) AZ ARIZONA 5 6 3 4 4 22
(U.S.) PA PENNSYLVANIA 4 4 7 5 2 22
(U.S.) WI WISCONSIN 4 4 8 1 4 21
(U.S.) IN INDIANA 4 4 4 2 4 18
(U.S.) NJ NEW JERSEY 4 7 5 1 1 18
(U.S.) NH NEW HAMPSHIRE 5 4 6 0 1 16
(U.S.) CO COLORADO 4 2 4 0 1 11
(U.S.) CT CONNECTICUT 2 3 3 1 1 10
(U.S.) NC NORTH CAROLINA 1 2 4 2 0 9
(U.S.) OK OKLAHOMA 1 1 3 2 1 8
(U.S.) AL ALABAMA 3 3 0 0 1 7
(U.S.) MO MISSOURI 0 3 0 2 2 7
(U.S.) NV NEVADA 2 1 4 0 0 7
(U.S.) RI RHODE ISLAND 1 3 3 0 0 7
(U.S.) TN TENNESSEE 2 0 3 2 0 7
(U.S.) UT UTAH 3 2 1 0 1 7
(U.S.) NM NEW MEXICO 0 0 3 2 1 6
(U.S.) LA LOUISIANA 1 1 1 2 0 5
(U.S.) MD MARYLAND 0 2 2 1 0 5
(U.S.) MS MISSISSIPPI 1 2 1 0 1 5
(U.S.) VA VIRGINIA 2 1 1 1 0 5
(U.S.) WA WASHINGTON 2 1 1 1 0 5
(U.S.) GA GEORGIA 0 2 1 0 0 3
(U.S.) KS KANSAS 0 0 1 1 1 3
(U.S.) KY KENTUCKY 0 3 0 0 0 3
(U.S.) ME MAINE 0 1 2 0 0 3
(U.S.) SC SOUTH CAROLINA 2 0 1 0 0 3
(U.S.) OR OREGON 0 0 2 0 0 2
(U.S.) AR ARKANSAS 1 0 0 0 0 1
(U.S.) HI HAWAII 1 0 0 0 0 1
(U.S.) ID IDAHO 0 0 1 0 0 1
(U.S.) PR PUERTO RICO 0 0 1 0 0 1
(U.S.) WV WEST VIRGINIA 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 140 186 188 104 74 692
(Foreign) JPX JAPAN 60 62 61 40 37 260
(Foreign) DEX GERMANY 57 40 45 25 18 185
(Foreign) TWX TAIWAN 12 13 16 11 13 65
(Foreign) ITX ITALY 6 8 8 5 6 33
(Foreign) GBX UNITED KINGDOM 8 7 8 6 3 32
(Foreign) CAX CANADA 7 8 7 4 5 31
(Foreign) FRX FRANCE 5 5 9 4 2 25
(Foreign) ATX AUSTRIA 3 4 7 1 6 21
(Foreign) KRX KOREA, SOUTH 2 4 10 0 2 18
(Foreign) SEX SWEDEN 4 3 2 1 1 11
(Foreign) AUX AUSTRALIA 2 2 3 2 1 10
(Foreign) CHX SWITZERLAND 0 3 5 0 1 9
(Foreign) ILX ISRAEL 3 2 2 0 2 9
(Foreign) DKX DENMARK 2 2 2 0 2 8
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 2 1 1 1 2 7
(Foreign) MXX MEXICO 2 2 1 1 0 6
(Foreign) NOX NORWAY 2 3 1 0 0 6
(Foreign) BEX BELGIUM 1 1 3 0 0 5
(Foreign) LUX LUXEMBOURG 4 1 0 0 0 5
(Foreign) NLX NETHERLANDS 2 2 0 0 0 4
(Foreign) ZAX SOUTH AFRICA 0 2 0 0 1 3
(Foreign) INX INDIA 1 0 1 0 0 2
(Foreign) NZX NEW ZEALAND 1 0 1 0 0 2
(Foreign) PLX POLAND 0 2 0 0 0 2
(Foreign) AZX AZERBAIJAN 0 0 0 0 1 1
(Foreign) BRX BRAZIL 0 0 0 1 0 1
(Foreign) CLX CHILE 0 0 1 0 0 1
(Foreign) CZX CZECH REPUBLIC 0 0 0 0 1 1
(Foreign) ESX SPAIN 0 1 0 0 0 1
(Foreign) HUX HUNGARY 0 0 0 1 0 1
(Foreign) IDX INDONESIA 0 1 0 0 0 1
(Foreign) PTX PORTUGAL 0 1 0 0 0 1
(Foreign) RUX RUSSIAN FEDERATION 0 0 0 1 0 1
(Foreign) SAX SAUDI ARABIA 0 0 0 1 0 1
(Foreign) THX THAILAND 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 186 180 194 105 105 770
(ALL) ALL All Regions, U.S. and Foreign 326 366 382 209 179 1462


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
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