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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 205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions

( 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 18 33 31 51 42 175
(U.S.) NY NEW YORK 11 14 21 27 19 92
(U.S.) OH OHIO 8 12 18 16 21 75
(U.S.) PA PENNSYLVANIA 8 21 11 16 15 71
(U.S.) TX TEXAS 12 12 5 18 9 56
(U.S.) MA MASSACHUSETTS 8 7 10 10 8 43
(U.S.) NJ NEW JERSEY 5 5 7 10 9 36
(U.S.) CT CONNECTICUT 4 4 5 4 10 27
(U.S.) IL ILLINOIS 6 4 5 7 3 25
(U.S.) MI MICHIGAN 7 2 4 6 6 25
(U.S.) OR OREGON 0 0 9 6 8 23
(U.S.) WA WASHINGTON 2 3 3 4 11 23
(U.S.) SC SOUTH CAROLINA 2 2 3 8 5 20
(U.S.) CO COLORADO 4 2 3 7 2 18
(U.S.) AZ ARIZONA 4 2 1 4 4 15
(U.S.) NC NORTH CAROLINA 5 2 3 4 0 14
(U.S.) DE DELAWARE 2 4 4 1 1 12
(U.S.) MD MARYLAND 3 0 2 5 2 12
(U.S.) NV NEVADA 2 2 3 1 3 11
(U.S.) WI WISCONSIN 1 3 3 3 1 11
(U.S.) MT MONTANA 0 1 1 4 4 10
(U.S.) NM NEW MEXICO 1 1 2 3 3 10
(U.S.) UT UTAH 0 5 1 1 3 10
(U.S.) FL FLORIDA 2 1 2 2 2 9
(U.S.) MO MISSOURI 0 1 2 6 0 9
(U.S.) TN TENNESSEE 1 4 0 2 2 9
(U.S.) ID IDAHO 0 2 2 1 2 7
(U.S.) MN MINNESOTA 1 1 2 1 2 7
(U.S.) GA GEORGIA 1 3 0 1 1 6
(U.S.) AL ALABAMA 0 1 1 2 1 5
(U.S.) IA IOWA 0 2 1 1 1 5
(U.S.) LA LOUISIANA 0 1 1 3 0 5
(U.S.) NH NEW HAMPSHIRE 1 0 0 4 0 5
(U.S.) RI RHODE ISLAND 1 1 0 3 0 5
(U.S.) VT VERMONT 0 0 2 1 1 4
(U.S.) KY KENTUCKY 0 1 1 1 0 3
(U.S.) IN INDIANA 0 1 0 1 0 2
(U.S.) OK OKLAHOMA 0 1 0 1 0 2
(U.S.) VA VIRGINIA 0 2 0 0 0 2
(U.S.) AR ARKANSAS 0 1 0 0 0 1
(U.S.) HI HAWAII 0 0 1 0 0 1
(U.S.) WV WEST VIRGINIA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 120 165 170 246 201 902
(Foreign) JPX JAPAN 49 68 70 71 77 335
(Foreign) DEX GERMANY 32 35 27 43 33 170
(Foreign) GBX UNITED KINGDOM 13 13 9 17 14 66
(Foreign) CAX CANADA 13 12 8 14 11 58
(Foreign) FRX FRANCE 10 10 11 17 4 52
(Foreign) ITX ITALY 6 3 6 8 3 26
(Foreign) TWX TAIWAN 3 6 4 9 3 25
(Foreign) KRX SOUTH KOREA 3 5 0 3 9 20
(Foreign) BEX BELGIUM 4 3 5 5 2 19
(Foreign) AUX AUSTRALIA 3 6 2 4 3 18
(Foreign) NLX NETHERLANDS 5 5 2 3 3 18
(Foreign) CHX SWITZERLAND 2 3 3 3 4 15
(Foreign) BSX THE BAHAMAS 0 3 2 2 7 14
(Foreign) SEX SWEDEN 2 4 0 4 4 14
(Foreign) RUX RUSSIAN FEDERATION 3 1 3 3 2 12
(Foreign) ILX ISRAEL 1 0 4 2 2 9
(Foreign) ATX AUSTRIA 1 2 1 2 2 8
(Foreign) DKX DENMARK 1 0 3 0 2 6
(Foreign) FIX FINLAND 0 1 0 1 3 5
(Foreign) NOX NORWAY 0 1 1 1 2 5
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 1 2 0 0 3
(Foreign) NZX NEW ZEALAND 2 0 1 0 0 3
(Foreign) BRX BRAZIL 0 1 0 1 0 2
(Foreign) ESX SPAIN 0 0 1 1 0 2
(Foreign) GRX GREECE 0 0 0 0 1 1
(Foreign) PTX PORTUGAL 0 0 1 0 0 1
(Foreign) ROX ROMANIA 1 0 0 0 0 1
(Foreign) SIX SLOVENIA 0 0 0 1 0 1
(Foreign) SUX U.S.S.R. 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 155 183 166 215 191 910
(ALL) ALL All Regions, U.S. and Foreign 275 348 336 461 392 1812


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