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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 261, Gas and Liquid Contact Apparatus

( 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.) TX TEXAS 6 8 7 11 10 42
(U.S.) CA CALIFORNIA 4 4 8 13 4 33
(U.S.) NY NEW YORK 4 5 11 5 3 28
(U.S.) MI MICHIGAN 5 6 3 1 9 24
(U.S.) WI WISCONSIN 1 4 5 3 6 19
(U.S.) MN MINNESOTA 6 3 2 3 2 16
(U.S.) NJ NEW JERSEY 1 2 6 5 1 15
(U.S.) FL FLORIDA 1 6 1 3 3 14
(U.S.) PA PENNSYLVANIA 0 4 3 3 4 14
(U.S.) MO MISSOURI 1 4 0 6 2 13
(U.S.) MA MASSACHUSETTS 2 0 6 3 0 11
(U.S.) OH OHIO 3 3 1 3 0 10
(U.S.) GA GEORGIA 2 1 1 2 3 9
(U.S.) IL ILLINOIS 1 5 2 0 0 8
(U.S.) OK OKLAHOMA 0 3 4 1 0 8
(U.S.) TN TENNESSEE 2 1 1 2 2 8
(U.S.) MD MARYLAND 2 1 0 3 1 7
(U.S.) KS KANSAS 1 1 1 1 2 6
(U.S.) AR ARKANSAS 1 0 2 1 0 4
(U.S.) CO COLORADO 1 2 1 0 0 4
(U.S.) CT CONNECTICUT 2 0 1 0 0 3
(U.S.) LA LOUISIANA 0 1 1 0 1 3
(U.S.) MS MISSISSIPPI 1 1 0 0 1 3
(U.S.) OR OREGON 0 1 0 0 2 3
(U.S.) AZ ARIZONA 1 1 0 0 0 2
(U.S.) ID IDAHO 0 0 0 1 1 2
(U.S.) KY KENTUCKY 0 0 0 0 2 2
(U.S.) NC NORTH CAROLINA 1 0 0 0 1 2
(U.S.) RI RHODE ISLAND 0 0 2 0 0 2
(U.S.) WA WASHINGTON 0 1 0 1 0 2
(U.S.) WV WEST VIRGINIA 0 2 0 0 0 2
(U.S.) DE DELAWARE 0 0 0 0 1 1
(U.S.) IA IOWA 1 0 0 0 0 1
(U.S.) IN INDIANA 1 0 0 0 0 1
(U.S.) MT MONTANA 1 0 0 0 0 1
(U.S.) NV NEVADA 0 0 0 0 1 1
(U.S.) SC SOUTH CAROLINA 0 0 1 0 0 1
(U.S.) UT UTAH 0 0 0 1 0 1
(U.S.) VA VIRGINIA 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 52 70 70 72 63 327
(Foreign) JPX JAPAN 13 16 12 13 27 81
(Foreign) DEX GERMANY 4 3 12 9 9 37
(Foreign) TWX TAIWAN 4 4 5 10 8 31
(Foreign) CAX CANADA 2 4 4 5 1 16
(Foreign) AUX AUSTRALIA 2 1 3 2 4 12
(Foreign) GBX UNITED KINGDOM 2 1 1 6 1 11
(Foreign) CHX SWITZERLAND 1 1 2 3 3 10
(Foreign) FRX FRANCE 2 2 1 4 1 10
(Foreign) SEX SWEDEN 0 1 4 0 2 7
(Foreign) KRX SOUTH KOREA 2 2 0 0 2 6
(Foreign) NLX NETHERLANDS 0 1 0 1 4 6
(Foreign) CNX CHINA P.REP. 0 0 2 1 1 4
(Foreign) ESX SPAIN 0 0 1 2 1 4
(Foreign) BEX BELGIUM 0 0 0 3 0 3
(Foreign) ITX ITALY 0 1 1 1 0 3
(Foreign) ATX AUSTRIA 0 1 0 1 0 2
(Foreign) IEX IRELAND 2 0 0 0 0 2
(Foreign) UAX UKRAINE 0 1 0 1 0 2
(Foreign) DKX DENMARK 0 1 0 0 0 1
(Foreign) FIX FINLAND 0 0 1 0 0 1
(Foreign) ILX ISRAEL 0 1 0 0 0 1
(Foreign) ISX ICELAND 0 0 0 1 0 1
(Foreign) KWX KUWAIT 0 0 0 0 1 1
(Foreign) NZX NEW ZEALAND 0 0 0 0 1 1
(Foreign) VEX VENEZUELA 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 34 41 49 64 66 254
(ALL) ALL All Regions, U.S. and Foreign 86 111 119 136 129 581


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Office of Electronic Information Products - PTMD
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email: oeip@uspto.gov

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