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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 Utility Patent Grants,
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 the 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 by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 2000 2001 2002 2003 2004 Total
(U.S.) CA CALIFORNIA 31 15 13 15 22 96
(U.S.) TX TEXAS 22 17 21 20 8 88
(U.S.) MI MICHIGAN 22 15 10 14 11 72
(U.S.) IL ILLINOIS 13 8 11 12 11 55
(U.S.) NY NEW YORK 8 9 7 11 10 45
(U.S.) PA PENNSYLVANIA 8 7 9 4 4 32
(U.S.) OH OHIO 5 3 9 6 6 29
(U.S.) MA MASSACHUSETTS 5 4 3 6 5 23
(U.S.) WI WISCONSIN 5 6 4 3 4 22
(U.S.) FL FLORIDA 5 4 1 7 4 21
(U.S.) IN INDIANA 7 4 2 1 4 18
(U.S.) MN MINNESOTA 9 1 2 2 4 18
(U.S.) NH NEW HAMPSHIRE 5 1 2 3 5 16
(U.S.) NJ NEW JERSEY 3 3 1 5 4 16
(U.S.) NC NORTH CAROLINA 6 1 2 1 1 11
(U.S.) AZ ARIZONA 0 4 0 0 5 9
(U.S.) LA LOUISIANA 2 3 1 2 1 9
(U.S.) CO COLORADO 1 0 2 1 4 8
(U.S.) MO MISSOURI 1 2 3 2 0 8
(U.S.) OK OKLAHOMA 2 3 0 2 1 8
(U.S.) CT CONNECTICUT 2 2 0 1 2 7
(U.S.) OR OREGON 1 1 2 3 0 7
(U.S.) SC SOUTH CAROLINA 1 3 1 0 2 7
(U.S.) TN TENNESSEE 1 2 1 1 2 7
(U.S.) UT UTAH 0 1 2 1 3 7
(U.S.) WA WASHINGTON 3 1 0 1 2 7
(U.S.) GA GEORGIA 2 3 0 1 0 6
(U.S.) RI RHODE ISLAND 2 2 1 0 1 6
(U.S.) VA VIRGINIA 2 2 0 0 2 6
(U.S.) IA IOWA 0 0 0 1 4 5
(U.S.) AL ALABAMA 0 0 1 0 3 4
(U.S.) NV NEVADA 2 0 0 0 2 4
(U.S.) AR ARKANSAS 1 0 0 0 1 2
(U.S.) DE DELAWARE 1 0 1 0 0 2
(U.S.) ID IDAHO 0 0 1 1 0 2
(U.S.) NE NEBRASKA 0 0 0 2 0 2
(U.S.) HI HAWAII 0 0 0 0 1 1
(U.S.) MD MARYLAND 1 0 0 0 0 1
(U.S.) ME MAINE 0 0 0 1 0 1
(U.S.) MS MISSISSIPPI 0 0 0 0 1 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NM NEW MEXICO 0 1 0 0 0 1
(U.S.) VT VERMONT 1 0 0 0 0 1
(U.S.) WY WYOMING 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 181 128 114 130 140 693
(Foreign) DEX GERMANY 56 33 36 45 57 227
(Foreign) JPX JAPAN 36 35 37 45 60 213
(Foreign) CAX CANADA 10 11 12 10 7 50
(Foreign) TWX TAIWAN 7 6 11 6 12 42
(Foreign) GBX UNITED KINGDOM 6 7 6 8 8 35
(Foreign) ITX ITALY 5 3 5 9 6 28
(Foreign) FRX FRANCE 5 3 4 8 5 25
(Foreign) ATX AUSTRIA 3 2 8 3 3 19
(Foreign) SEX SWEDEN 5 4 2 0 4 15
(Foreign) KRX SOUTH KOREA 5 2 3 2 2 14
(Foreign) AUX AUSTRALIA 4 1 4 1 2 12
(Foreign) CHX SWITZERLAND 5 1 3 2 0 11
(Foreign) ILX ISRAEL 1 2 1 2 3 9
(Foreign) NLX NETHERLANDS 2 2 2 1 2 9
(Foreign) LUX LUXEMBOURG 2 0 1 0 4 7
(Foreign) DKX DENMARK 3 1 0 0 2 6
(Foreign) BEX BELGIUM 0 1 1 2 1 5
(Foreign) CNX CHINA P.REP. 1 0 0 2 2 5
(Foreign) MXX MEXICO 0 0 1 2 2 5
(Foreign) FIX FINLAND 2 2 0 0 0 4
(Foreign) NOX NORWAY 0 0 1 1 2 4
(Foreign) ARX ARGENTINA 1 0 0 1 0 2
(Foreign) NZX NEW ZEALAND 0 0 0 1 1 2
(Foreign) CLX CHILE 1 0 0 0 0 1
(Foreign) ESX SPAIN 0 0 1 0 0 1
(Foreign) IEX IRELAND 0 0 0 1 0 1
(Foreign) INX INDIA 0 0 0 0 1 1
(Foreign) VEX VENEZUELA 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 160 116 139 153 186 754
(ALL) ALL All Regions, U.S. and Foreign 341 244 253 283 326 1447


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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