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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 429, Chemistry: Electrical Current Producing Apparatus, Product, and Process

( 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.) NY NEW YORK 19 21 38 50 70 198
(U.S.) CA CALIFORNIA 30 28 37 37 28 160
(U.S.) OH OHIO 15 15 23 33 26 112
(U.S.) MA MASSACHUSETTS 11 18 24 31 27 111
(U.S.) CT CONNECTICUT 7 7 22 23 35 94
(U.S.) GA GEORGIA 12 11 19 14 16 72
(U.S.) IL ILLINOIS 15 17 8 15 8 63
(U.S.) MI MICHIGAN 8 14 10 15 15 62
(U.S.) PA PENNSYLVANIA 10 15 7 16 14 62
(U.S.) WI WISCONSIN 10 10 11 19 11 61
(U.S.) MN MINNESOTA 8 11 16 14 10 59
(U.S.) NC NORTH CAROLINA 7 10 10 8 12 47
(U.S.) NJ NEW JERSEY 9 9 5 7 16 46
(U.S.) NV NEVADA 15 10 9 2 5 41
(U.S.) TX TEXAS 7 6 11 10 7 41
(U.S.) FL FLORIDA 4 3 9 15 9 40
(U.S.) ID IDAHO 10 6 10 7 3 36
(U.S.) AZ ARIZONA 3 5 3 9 12 32
(U.S.) MD MARYLAND 8 3 3 5 5 24
(U.S.) WA WASHINGTON 0 0 6 6 11 23
(U.S.) RI RHODE ISLAND 1 2 2 8 6 19
(U.S.) UT UTAH 4 2 6 5 1 18
(U.S.) IN INDIANA 2 1 4 6 4 17
(U.S.) CO COLORADO 3 5 4 0 3 15
(U.S.) NM NEW MEXICO 2 2 2 6 3 15
(U.S.) OR OREGON 2 4 1 1 6 14
(U.S.) TN TENNESSEE 1 2 3 6 1 13
(U.S.) NH NEW HAMPSHIRE 0 1 3 4 1 9
(U.S.) VA VIRGINIA 1 1 1 4 2 9
(U.S.) DE DELAWARE 1 1 2 2 1 7
(U.S.) IA IOWA 2 2 0 2 1 7
(U.S.) MO MISSOURI 2 1 0 0 1 4
(U.S.) SC SOUTH CAROLINA 0 1 0 1 2 4
(U.S.) LA LOUISIANA 1 0 1 0 1 3
(U.S.) OK OKLAHOMA 1 1 0 1 0 3
(U.S.) WV WEST VIRGINIA 0 0 1 0 2 3
(U.S.) AL ALABAMA 0 1 0 0 1 2
(U.S.) KY KENTUCKY 0 0 1 0 1 2
(U.S.) VT VERMONT 0 1 0 1 0 2
(U.S.) KS KANSAS 0 0 1 0 0 1
(U.S.) MS MISSISSIPPI 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 231 247 314 383 377 1552
(Foreign) JPX JAPAN 167 145 215 265 335 1127
(Foreign) DEX GERMANY 21 29 41 31 39 161
(Foreign) CAX CANADA 15 15 23 22 24 99
(Foreign) KRX SOUTH KOREA 13 14 10 25 35 97
(Foreign) FRX FRANCE 9 14 25 15 24 87
(Foreign) GBX UNITED KINGDOM 7 8 8 8 6 37
(Foreign) ITX ITALY 6 2 8 4 4 24
(Foreign) ILX ISRAEL 6 2 3 6 6 23
(Foreign) TWX TAIWAN 1 3 6 6 7 23
(Foreign) CHX SWITZERLAND 2 3 3 9 2 19
(Foreign) NLX NETHERLANDS 1 3 1 1 10 16
(Foreign) DKX DENMARK 3 1 1 3 3 11
(Foreign) AUX AUSTRALIA 0 1 1 2 4 8
(Foreign) CNX CHINA P.REP. 0 1 1 3 0 5
(Foreign) RUX RUSSIAN FEDERATION 1 0 1 0 3 5
(Foreign) ATX AUSTRIA 1 1 0 0 2 4
(Foreign) ZAX SOUTH AFRICA 1 3 0 0 0 4
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 0 1 1 0 3
(Foreign) SEX SWEDEN 0 0 1 0 2 3
(Foreign) ESX SPAIN 0 1 0 1 0 2
(Foreign) FIX FINLAND 0 0 1 0 1 2
(Foreign) NOX NORWAY 1 0 0 0 1 2
(Foreign) SGX SINGAPORE 0 0 2 0 0 2
(Foreign) ARX ARGENTINA 0 0 1 0 0 1
(Foreign) BSX THE BAHAMAS 0 0 0 1 0 1
(Foreign) GRX GREECE 0 0 0 0 1 1
(Foreign) IEX IRELAND 0 1 0 0 0 1
(Foreign) INX INDIA 1 0 0 0 0 1
(Foreign) MYX MALAYSIA 0 0 0 0 1 1
(Foreign) NZX NEW ZEALAND 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 257 248 353 403 510 1771
(ALL) ALL All Regions, U.S. and Foreign 488 495 667 786 887 3323


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