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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 585, Chemistry of Hydrocarbon Compounds

( 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 28 46 34 31 39 178
(U.S.) IL ILLINOIS 35 35 32 26 39 167
(U.S.) OK OKLAHOMA 16 19 26 13 12 86
(U.S.) NJ NEW JERSEY 16 15 19 10 17 77
(U.S.) CA CALIFORNIA 11 9 13 10 8 51
(U.S.) PA PENNSYLVANIA 4 6 2 9 6 27
(U.S.) LA LOUISIANA 10 5 4 2 3 24
(U.S.) DE DELAWARE 0 3 4 3 2 12
(U.S.) MI MICHIGAN 1 0 1 2 7 11
(U.S.) CO COLORADO 2 2 1 1 3 9
(U.S.) NC NORTH CAROLINA 1 1 1 2 3 8
(U.S.) NY NEW YORK 5 0 1 0 1 7
(U.S.) OH OHIO 1 2 0 2 2 7
(U.S.) VA VIRGINIA 0 1 1 3 0 5
(U.S.) FL FLORIDA 3 0 0 1 0 4
(U.S.) KY KENTUCKY 0 1 0 1 2 4
(U.S.) MA MASSACHUSETTS 1 0 0 2 1 4
(U.S.) MN MINNESOTA 1 1 0 1 1 4
(U.S.) CT CONNECTICUT 0 0 0 2 1 3
(U.S.) KS KANSAS 2 1 0 0 0 3
(U.S.) MO MISSOURI 1 0 0 1 1 3
(U.S.) AK ALASKA 0 0 1 1 0 2
(U.S.) TN TENNESSEE 0 2 0 0 0 2
(U.S.) UT UTAH 0 1 0 1 0 2
(U.S.) IA IOWA 0 1 0 0 0 1
(U.S.) ID IDAHO 0 0 1 0 0 1
(U.S.) IN INDIANA 1 0 0 0 0 1
(U.S.) NH NEW HAMPSHIRE 1 0 0 0 0 1
(U.S.) PR PUERTO RICO 0 1 0 0 0 1
(U.S.) SC SOUTH CAROLINA 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 140 152 142 124 148 706
(Foreign) FRX FRANCE 21 27 24 28 29 129
(Foreign) JPX JAPAN 22 19 20 21 24 106
(Foreign) DEX GERMANY 28 23 10 13 15 89
(Foreign) ITX ITALY 2 6 9 6 10 33
(Foreign) BEX BELGIUM 3 8 3 5 5 24
(Foreign) NLX NETHERLANDS 3 5 3 4 5 20
(Foreign) GBX UNITED KINGDOM 3 5 3 4 4 19
(Foreign) INX INDIA 3 2 5 3 0 13
(Foreign) CNX CHINA P.REP. 5 0 2 1 4 12
(Foreign) CAX CANADA 3 4 1 2 0 10
(Foreign) DKX DENMARK 1 4 1 3 0 9
(Foreign) FIX FINLAND 1 1 1 1 2 6
(Foreign) KRX SOUTH KOREA 0 2 2 1 1 6
(Foreign) ESX SPAIN 2 1 0 1 1 5
(Foreign) RUX RUSSIAN FEDERATION 2 1 1 0 0 4
(Foreign) VEX VENEZUELA 0 3 0 0 0 3
(Foreign) ZAX SOUTH AFRICA 0 1 0 1 1 3
(Foreign) AUX AUSTRALIA 1 0 1 0 0 2
(Foreign) CHX SWITZERLAND 0 1 1 0 0 2
(Foreign) ILX ISRAEL 0 1 0 0 1 2
(Foreign) SAX SAUDI ARABIA 0 0 0 2 0 2
(Foreign) TWX TAIWAN 1 1 0 0 0 2
(Foreign) ARX ARGENTINA 0 0 1 0 0 1
(Foreign) BRX BRAZIL 1 0 0 0 0 1
(Foreign) HUX HUNGARY 0 1 0 0 0 1
(Foreign) MYX MALAYSIA 0 0 1 0 0 1
(Foreign) NOX NORWAY 0 1 0 0 0 1
(Foreign) NZX NEW ZEALAND 1 0 0 0 0 1
(Foreign) SEX SWEDEN 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 103 117 89 97 102 508
(ALL) ALL All Regions, U.S. and Foreign 243 269 231 221 250 1214


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