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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 1963 - 2005 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 337, Electricity: Electrothermally or Thermally Actuated Switches

( 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 )

This table displays U.S. states and countries and their counts of utility patents; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
(U.S.) IL ILLINOIS 10 15 20 14 18 6 6 7 12 8 16 13 7 10 17 6 9 10 17 11 5 11 10 6 7 5 2 6 5 8 5 3 3 5 11 9 9 3 2 6 7 6 6 372
(U.S.) OH OHIO 8 7 22 21 19 13 11 7 13 13 12 20 14 10 12 9 5 6 6 11 6 7 5 5 3 3 11 4 7 4 3 1 3 5 1 4 5 5 3 2 2 3 2 333
(U.S.) MA MASSACHUSETTS 9 12 14 22 12 15 16 11 12 6 9 19 10 17 19 12 13 9 3 8 6 3 5 0 2 3 3 3 2 5 2 4 1 0 0 1 2 0 1 4 1 5 1 302
(U.S.) PA PENNSYLVANIA 7 11 20 31 9 13 9 9 9 15 13 22 16 4 10 7 2 2 5 2 5 4 6 2 5 1 1 2 1 2 5 1 1 0 0 3 6 6 0 2 5 1 0 275
(U.S.) MO MISSOURI 3 4 5 14 7 3 3 3 5 3 7 5 8 2 5 3 0 6 1 4 4 0 7 2 2 8 4 12 7 5 5 4 0 0 3 9 2 3 1 3 6 3 2 183
(U.S.) CA CALIFORNIA 5 8 11 15 6 2 2 7 12 14 1 13 7 1 3 5 2 2 1 5 2 1 6 2 2 0 0 4 2 2 1 2 6 0 5 2 5 3 4 2 2 2 1 178
(U.S.) NY NEW YORK 6 9 18 20 5 4 7 5 7 10 7 7 4 5 4 4 1 1 2 1 2 2 2 2 2 2 2 1 2 1 2 1 1 2 0 0 1 1 1 0 2 0 0 156
(U.S.) WI WISCONSIN 6 2 6 13 1 2 6 4 1 3 6 4 6 4 1 7 5 2 0 8 2 1 4 11 3 0 4 2 1 5 1 1 2 1 0 2 3 0 0 1 1 3 0 135
(U.S.) NJ NEW JERSEY 8 10 15 17 14 5 6 6 7 3 3 2 1 1 3 2 1 0 2 1 1 1 3 1 1 0 1 2 0 4 0 1 0 0 0 1 2 0 1 1 1 1 0 129
(U.S.) NH NEW HAMPSHIRE 3 4 5 10 6 5 5 9 10 10 5 6 2 5 5 3 5 5 6 4 2 0 0 1 1 0 0 2 0 1 2 3 1 1 0 0 0 0 0 0 0 0 0 127
(U.S.) MI MICHIGAN 5 8 13 16 4 7 4 8 9 4 5 3 1 1 1 3 1 0 0 1 2 1 0 0 1 0 0 2 1 0 0 0 0 0 1 1 1 1 0 0 2 0 0 107
(U.S.) CT CONNECTICUT 4 3 13 20 8 2 9 2 1 1 2 5 0 2 1 3 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 1 2 1 1 0 0 0 1 1 91
(U.S.) IN INDIANA 4 5 5 9 3 3 2 1 4 2 4 3 0 0 1 2 1 0 0 1 2 2 0 0 0 0 0 3 0 0 2 0 0 0 0 2 2 0 0 1 0 0 0 64
(U.S.) KY KENTUCKY 2 2 6 1 5 3 1 3 2 3 1 2 1 1 3 1 0 0 0 0 1 3 1 2 4 2 0 0 3 2 0 0 0 2 0 1 0 0 1 0 0 0 0 59
(U.S.) RI RHODE ISLAND 3 4 4 5 2 3 2 4 3 2 0 2 0 0 1 0 0 0 0 5 3 1 0 1 0 1 0 1 1 1 0 2 1 0 1 0 2 0 1 0 1 2 0 59
(U.S.) MN MINNESOTA 2 2 2 7 1 1 0 0 0 1 2 3 2 0 4 1 2 0 2 1 2 0 1 0 2 2 0 0 1 0 1 0 0 0 0 0 1 0 0 1 2 1 2 49
(U.S.) NC NORTH CAROLINA 0 0 2 1 1 1 0 0 2 0 0 2 0 1 1 0 2 1 1 5 2 2 0 0 0 0 4 2 0 2 2 1 0 1 2 0 1 1 1 1 2 0 1 45
(U.S.) FL FLORIDA 0 0 2 1 1 2 1 3 6 3 2 0 1 1 1 0 0 0 1 1 1 0 1 1 1 0 0 0 1 1 1 0 0 1 0 2 1 2 0 0 1 0 1 41
(U.S.) MD MARYLAND 2 2 2 4 1 2 3 0 2 0 2 1 2 1 2 1 0 0 0 0 0 0 2 1 1 0 1 0 1 0 0 2 0 0 0 1 0 0 0 0 0 1 0 37
(U.S.) GA GEORGIA 0 2 0 0 0 0 0 0 0 2 0 1 0 1 1 0 0 0 1 2 2 0 1 0 1 1 3 1 0 0 0 0 0 1 3 0 2 1 0 3 5 0 1 35
(U.S.) TX TEXAS 0 0 0 1 1 1 0 1 1 1 0 5 4 0 0 1 0 0 0 0 0 1 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 25
(U.S.) WA WASHINGTON 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 1 2 0 2 0 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 2 0 1 2 5 1 23
(U.S.) ME MAINE 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 2 0 0 0 1 0 0 1 0 3 0 1 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 16
(U.S.) TN TENNESSEE 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 1 0 0 2 0 0 15
(U.S.) OR OREGON 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 12
(U.S.) VA VIRGINIA 1 0 2 2 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 11
(U.S.) AZ ARIZONA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 8
(U.S.) IA IOWA 0 0 1 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
(U.S.) DC DISTRICT OF COLUMBIA 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
(U.S.) CO COLORADO 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 5
(U.S.) NM NEW MEXICO 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 1 5
(U.S.) NV NEVADA 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 0 5
(U.S.) PR PUERTO RICO 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
(U.S.) AL ALABAMA 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4
(U.S.) LA LOUISIANA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) UT UTAH 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3
(U.S.) VT VERMONT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3
(U.S.) AR ARKANSAS 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) DE DELAWARE 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) MT MONTANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) OK OKLAHOMA 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) HI HAWAII 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) KS KANSAS 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) NE NEBRASKA 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.)   -- Subtotal -- 92 113 192 247 129 97 95 95 126 105 101 140 91 68 97 73 52 47 54 78 56 40 62 40 43 30 41 51 37 46 32 27 19 22 30 42 50 34 17 29 49 39 23 2951
(Foreign) JPX JAPAN 0 1 4 1 2 1 0 5 9 7 10 10 9 5 7 8 2 11 11 7 9 5 12 7 12 9 13 7 3 7 12 8 5 9 21 25 20 12 12 18 21 13 8 378
(Foreign) DEX GERMANY 3 5 5 4 3 2 1 4 4 5 4 6 3 2 9 7 10 4 7 8 8 4 8 9 11 2 11 5 6 3 6 6 1 2 7 10 20 11 7 7 9 8 2 259
(Foreign) GBX UNITED KINGDOM 0 7 6 4 3 4 8 7 4 1 1 5 1 4 2 3 2 2 1 2 2 2 5 0 3 7 3 0 0 3 1 0 1 0 2 2 2 0 0 0 4 1 0 105
(Foreign) TWX TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 5 0 1 1 2 1 2 1 3 2 5 6 7 5 9 14 14 6 3 92
(Foreign) FRX FRANCE 0 0 2 1 5 1 2 3 2 2 8 4 0 0 0 1 1 0 2 1 1 0 2 1 3 1 3 3 0 4 4 2 0 2 0 5 0 0 0 1 2 2 0 71
(Foreign) CAX CANADA 2 0 1 6 2 1 6 0 1 0 1 4 4 2 2 1 1 1 2 1 4 1 2 1 1 2 2 1 1 0 2 1 1 0 1 3 0 0 1 0 0 0 1 63
(Foreign) ITX ITALY 0 0 2 1 4 0 2 2 3 2 0 1 3 2 2 2 0 1 1 0 0 0 2 0 1 2 0 0 1 2 0 0 0 0 1 2 0 0 1 1 1 1 0 43
(Foreign) CHX SWITZERLAND 0 1 1 3 1 0 0 2 0 0 1 0 2 1 0 1 0 1 2 0 0 2 0 1 0 1 1 1 0 3 0 0 0 0 0 0 0 0 1 1 1 4 0 32
(Foreign) NLX NETHERLANDS 2 0 1 2 1 0 0 0 0 1 0 2 1 1 0 1 0 0 0 0 0 0 4 0 2 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 21
(Foreign) DKX DENMARK 0 1 0 0 0 2 3 2 1 2 1 1 0 1 1 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
(Foreign) SEX SWEDEN 1 3 0 1 0 0 1 0 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 1 0 0 1 0 1 0 0 0 17
(Foreign) AUX AUSTRALIA 0 0 0 1 0 0 0 0 2 0 2 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 1 0 2 0 0 0 0 0 0 0 1 0 0 2 1 0 0 16
(Foreign) ATX AUSTRIA 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 0 0 1 1 0 0 0 1 1 0 0 0 0 1 2 0 13
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 7
(Foreign) KRX SOUTH KOREA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 2 0 5
(Foreign) ILX ISRAEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 4
(Foreign) SUX U.S.S.R. 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(Foreign) MXX MEXICO 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) NOX NORWAY 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) NZX NEW ZEALAND 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) BRX BRAZIL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2
(Foreign) CNX CHINA P.REP. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
(Foreign) HUX HUNGARY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(Foreign) IEX IRELAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 2
(Foreign) INX INDIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
(Foreign) ARX ARGENTINA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) BEX BELGIUM 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) ESX SPAIN 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) FIX FINLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
(Foreign) GRX GREECE 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) KYX CAYMAN ISLANDS 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) PLX POLAND 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) YUX YUGOSLAVIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign)   -- Subtotal -- 8 18 23 25 24 11 24 26 30 20 31 37 24 20 25 26 19 22 27 20 25 16 40 22 41 26 36 18 16 26 31 19 12 17 39 57 54 30 31 47 57 42 15 1177
(ALL) ALL All Regions, U.S. and Foreign 100 131 215 272 153 108 119 121 156 125 132 177 115 88 122 99 71 69 81 98 81 56 102 62 84 56 77 69 53 72 63 46 31 39 69 99 104 64 48 76 106 81 38 4128


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