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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 1998 - 2002 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 1998 1999 2000 2001 2002 Total
(U.S.) CA CALIFORNIA 22 21 31 15 13 102
(U.S.) TX TEXAS 17 17 22 17 21 94
(U.S.) MI MICHIGAN 11 15 22 15 10 73
(U.S.) IL ILLINOIS 12 13 13 8 11 57
(U.S.) PA PENNSYLVANIA 8 7 8 7 9 39
(U.S.) NY NEW YORK 4 4 8 9 7 32
(U.S.) OH OHIO 5 6 5 3 9 28
(U.S.) WI WISCONSIN 4 3 5 6 4 22
(U.S.) IN INDIANA 4 4 7 4 2 21
(U.S.) MN MINNESOTA 1 8 9 1 2 21
(U.S.) FL FLORIDA 7 1 5 4 1 18
(U.S.) MA MASSACHUSETTS 0 3 5 4 3 15
(U.S.) NH NEW HAMPSHIRE 5 2 5 1 2 15
(U.S.) NJ NEW JERSEY 3 4 3 3 1 14
(U.S.) OK OKLAHOMA 3 6 2 3 0 14
(U.S.) NC NORTH CAROLINA 2 1 6 1 2 12
(U.S.) CT CONNECTICUT 2 4 2 2 0 10
(U.S.) GA GEORGIA 3 2 2 3 0 10
(U.S.) LA LOUISIANA 1 3 2 3 1 10
(U.S.) UT UTAH 3 3 0 1 2 9
(U.S.) IA IOWA 4 3 0 0 0 7
(U.S.) MO MISSOURI 1 0 1 2 3 7
(U.S.) RI RHODE ISLAND 0 2 2 2 1 7
(U.S.) SC SOUTH CAROLINA 1 1 1 3 1 7
(U.S.) TN TENNESSEE 2 1 1 2 1 7
(U.S.) VA VIRGINIA 0 3 2 2 0 7
(U.S.) WA WASHINGTON 0 3 3 1 0 7
(U.S.) CO COLORADO 3 0 1 0 2 6
(U.S.) AR ARKANSAS 1 3 1 0 0 5
(U.S.) OR OREGON 1 0 1 1 2 5
(U.S.) AZ ARIZONA 0 0 0 4 0 4
(U.S.) NV NEVADA 0 2 2 0 0 4
(U.S.) VT VERMONT 3 0 1 0 0 4
(U.S.) MD MARYLAND 0 2 1 0 0 3
(U.S.) AL ALABAMA 0 1 0 0 1 2
(U.S.) DE DELAWARE 0 0 1 0 1 2
(U.S.) ID IDAHO 0 1 0 0 1 2
(U.S.) NE NEBRASKA 1 1 0 0 0 2
(U.S.) KS KANSAS 0 1 0 0 0 1
(U.S.) KY KENTUCKY 0 1 0 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 1 0 0 1
(U.S.) NM NEW MEXICO 0 0 0 1 0 1
(U.S.) WY WYOMING 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 134 152 181 128 114 709
(Foreign) DEX GERMANY 25 36 56 33 36 186
(Foreign) JPX JAPAN 29 38 36 35 37 175
(Foreign) CAX CANADA 10 11 10 11 12 54
(Foreign) TWX TAIWAN 7 11 7 6 11 42
(Foreign) FRX FRANCE 12 7 5 3 4 31
(Foreign) GBX UNITED KINGDOM 4 4 6 7 6 27
(Foreign) ITX ITALY 2 4 5 3 5 19
(Foreign) SEX SWEDEN 3 5 5 4 2 19
(Foreign) ATX AUSTRIA 3 0 3 2 8 16
(Foreign) CHX SWITZERLAND 3 3 5 1 3 15
(Foreign) KRX SOUTH KOREA 2 3 5 2 3 15
(Foreign) AUX AUSTRALIA 2 3 4 1 4 14
(Foreign) DKX DENMARK 3 2 3 1 0 9
(Foreign) NLX NETHERLANDS 1 1 2 2 2 8
(Foreign) ILX ISRAEL 0 1 1 2 1 5
(Foreign) LUX LUXEMBOURG 0 2 2 0 1 5
(Foreign) FIX FINLAND 0 0 2 2 0 4
(Foreign) BEX BELGIUM 1 0 0 1 1 3
(Foreign) CLX CHILE 2 0 1 0 0 3
(Foreign) MXX MEXICO 0 1 0 0 1 2
(Foreign) NOX NORWAY 0 1 0 0 1 2
(Foreign) ARX ARGENTINA 0 0 1 0 0 1
(Foreign) BRX BRAZIL 0 1 0 0 0 1
(Foreign) CNX CHINA P.REP. 0 0 1 0 0 1
(Foreign) ESX SPAIN 0 0 0 0 1 1
(Foreign) NZX NEW ZEALAND 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 110 134 160 116 139 659
(ALL) ALL All Regions, U.S. and Foreign 244 286 341 244 253 1368


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

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