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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 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 2000 2001 2002 2003 2004 Total
(U.S.) CA CALIFORNIA 30 51 42 39 49 211
(U.S.) NY NEW YORK 21 27 19 13 9 89
(U.S.) OH OHIO 18 16 21 16 10 81
(U.S.) PA PENNSYLVANIA 11 16 15 11 7 60
(U.S.) TX TEXAS 5 18 9 6 13 51
(U.S.) MA MASSACHUSETTS 10 10 9 11 8 48
(U.S.) OR OREGON 9 6 8 3 14 40
(U.S.) NJ NEW JERSEY 7 10 9 3 9 38
(U.S.) CT CONNECTICUT 5 4 10 7 6 32
(U.S.) MI MICHIGAN 4 6 6 5 4 25
(U.S.) WA WASHINGTON 3 4 11 3 4 25
(U.S.) IL ILLINOIS 5 7 3 6 3 24
(U.S.) SC SOUTH CAROLINA 3 8 5 3 4 23
(U.S.) AZ ARIZONA 1 4 4 7 5 21
(U.S.) CO COLORADO 3 7 2 2 4 18
(U.S.) MT MONTANA 1 4 4 4 3 16
(U.S.) MD MARYLAND 2 5 2 3 1 13
(U.S.) NC NORTH CAROLINA 3 4 0 4 2 13
(U.S.) NM NEW MEXICO 2 3 3 1 4 13
(U.S.) ID IDAHO 2 1 2 4 3 12
(U.S.) MO MISSOURI 2 6 0 2 2 12
(U.S.) FL FLORIDA 2 2 2 2 3 11
(U.S.) WI WISCONSIN 3 3 1 2 1 10
(U.S.) MN MINNESOTA 2 1 2 1 3 9
(U.S.) NH NEW HAMPSHIRE 0 4 0 4 0 8
(U.S.) DE DELAWARE 4 1 1 0 1 7
(U.S.) NV NEVADA 3 1 3 0 0 7
(U.S.) UT UTAH 0 1 3 1 2 7
(U.S.) TN TENNESSEE 0 2 2 1 1 6
(U.S.) RI RHODE ISLAND 0 3 0 0 2 5
(U.S.) AL ALABAMA 1 2 1 0 0 4
(U.S.) IN INDIANA 0 1 0 3 0 4
(U.S.) LA LOUISIANA 1 3 0 0 0 4
(U.S.) VT VERMONT 2 1 1 0 0 4
(U.S.) GA GEORGIA 0 1 1 1 0 3
(U.S.) IA IOWA 1 1 1 0 0 3
(U.S.) VA VIRGINIA 0 0 0 1 2 3
(U.S.) KY KENTUCKY 1 1 0 0 0 2
(U.S.) OK OKLAHOMA 0 1 0 1 0 2
(U.S.) HI HAWAII 1 0 0 0 0 1
(U.S.) WV WEST VIRGINIA 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 168 246 202 171 179 966
(Foreign) JPX JAPAN 70 71 76 76 68 361
(Foreign) DEX GERMANY 27 43 33 28 26 157
(Foreign) GBX UNITED KINGDOM 9 17 14 14 11 65
(Foreign) CAX CANADA 8 14 11 8 10 51
(Foreign) FRX FRANCE 11 17 4 4 7 43
(Foreign) TWX TAIWAN 4 9 3 7 11 34
(Foreign) CHX SWITZERLAND 3 3 4 7 5 22
(Foreign) KRX SOUTH KOREA 0 3 9 7 3 22
(Foreign) ITX ITALY 6 8 3 1 2 20
(Foreign) BSX THE BAHAMAS 2 2 7 4 3 18
(Foreign) AUX AUSTRALIA 2 4 3 4 3 16
(Foreign) BEX BELGIUM 5 5 2 2 2 16
(Foreign) ILX ISRAEL 4 2 2 3 3 14
(Foreign) RUX RUSSIAN FEDERATION 3 3 2 2 3 13
(Foreign) NLX NETHERLANDS 2 3 3 1 3 12
(Foreign) ATX AUSTRIA 1 2 2 4 1 10
(Foreign) SEX SWEDEN 0 4 4 1 1 10
(Foreign) DKX DENMARK 3 0 2 2 1 8
(Foreign) FIX FINLAND 0 1 3 1 2 7
(Foreign) NOX NORWAY 1 1 2 0 2 6
(Foreign) HKX CHINA,HONG KONG S.A.R. 2 0 0 1 0 3
(Foreign) ESX SPAIN 0 1 0 0 1 2
(Foreign) BRX BRAZIL 0 1 0 0 0 1
(Foreign) CLX CHILE 0 1 0 0 0 1
(Foreign) GRX GREECE 0 0 1 0 0 1
(Foreign) INX INDIA 0 0 0 0 1 1
(Foreign) LTX LITHUANIA 0 0 0 0 1 1
(Foreign) NZX NEW ZEALAND 1 0 0 0 0 1
(Foreign) PTX PORTUGAL 1 0 0 0 0 1
(Foreign) SAX SAUDI ARABIA 0 0 0 0 1 1
(Foreign) SGX SINGAPORE 0 0 0 1 0 1
(Foreign) SIX SLOVENIA 0 1 0 0 0 1
(Foreign) THX THAILAND 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 165 216 190 178 172 921
(ALL) ALL All Regions, U.S. and Foreign 333 462 392 349 351 1887


PTMD Contacts

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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

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