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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

EXTENDED YEAR SET - Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 1963 - 2013 Utility Patent Grants,
As Distributed 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 218, High-Voltage Switches with Arc Preventing or Extinguishing Devices

( technology class is determined by the primary classification assigned to a 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 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 2006 2007 2008 2009 2010 2011 2012 2013 Total
(U.S.) PA PENNSYLVANIA 18 21 45 22 23 21 19 30 38 20 13 36 19 19 23 25 8 16 24 6 10 15 4 2 11 3 4 5 1 0 2 1 4 4 2 3 2 1 6 7 2 4 2 9 5 1 4 2 3 3 4 572
(U.S.) WI WISCONSIN 2 4 3 4 2 0 1 2 2 5 2 2 0 2 0 2 1 0 1 1 3 3 6 3 1 1 6 0 3 4 1 2 1 0 1 7 4 4 1 0 0 3 3 1 1 0 2 4 0 0 6 107
(U.S.) CA CALIFORNIA 3 5 10 9 5 7 6 11 10 1 3 5 3 2 0 1 1 2 1 0 1 2 0 1 1 0 0 1 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 96
(U.S.) NY NEW YORK 3 1 2 3 1 0 2 2 4 3 0 3 3 2 4 5 0 5 2 3 5 3 4 1 2 1 1 1 1 1 1 0 0 0 2 4 1 1 0 3 0 0 0 0 1 0 0 0 1 2 2 86
(U.S.) IL ILLINOIS 2 1 5 5 1 0 1 3 7 3 4 1 2 0 1 2 0 0 3 1 3 0 3 1 2 0 0 3 3 3 0 1 1 1 2 2 0 0 1 2 0 1 1 0 1 0 0 0 1 0 0 74
(U.S.) CT CONNECTICUT 0 1 2 2 0 0 3 3 2 2 0 0 1 0 1 2 1 0 1 0 0 3 1 1 6 6 0 5 1 0 0 2 1 0 0 4 3 2 10 1 1 1 0 0 0 1 0 0 0 0 2 72
(U.S.) MA MASSACHUSETTS 2 2 2 6 4 4 4 7 10 6 3 6 2 4 1 0 0 1 1 1 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 68
(U.S.) NJ NEW JERSEY 2 2 3 2 1 0 3 0 1 0 6 5 0 2 4 1 0 2 0 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 0 0 0 44
(U.S.) OH OHIO 2 2 1 2 1 3 0 0 2 3 0 1 0 1 1 1 0 0 0 1 0 0 1 1 1 0 0 0 1 1 1 0 1 0 0 0 2 0 3 0 1 0 0 0 0 1 1 0 1 1 0 38
(U.S.) GA GEORGIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 2 3 1 0 0 0 1 1 0 2 1 0 4 0 1 0 0 1 0 0 1 0 1 3 0 25
(U.S.) MO MISSOURI 0 1 1 2 0 0 0 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 2 1 1 0 0 1 0 1 0 0 0 3 0 0 3 1 0 0 0 0 0 0 0 0 25
(U.S.) IA IOWA 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 2 1 1 0 2 0 1 0 3 1 0 0 0 0 1 2 0 0 1 0 0 0 0 0 1 0 21
(U.S.) IN INDIANA 0 0 2 0 0 1 1 0 2 0 2 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 1 2 1 0 0 0 0 0 0 0 0 11
(U.S.) MS MISSISSIPPI 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 3 0 1 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 10
(U.S.) KY KENTUCKY 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 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 1 7
(U.S.) VA VIRGINIA 0 0 0 0 0 1 0 0 0 2 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 1 0 0 0 1 0 0 0 0 0 0 0 0 7
(U.S.) OR OREGON 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 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 0 0 0 0 6
(U.S.) FL FLORIDA 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
(U.S.) MD MARYLAND 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 5
(U.S.) TN TENNESSEE 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 0 0 0 0 1 0 0 0 0 0 2 1 5
(U.S.) MI MICHIGAN 0 0 0 1 0 2 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 0 0 4
(U.S.) TX TEXAS 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 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) WA WASHINGTON 0 0 0 1 0 0 0 0 1 0 0 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 0 0 4
(U.S.) PR PUERTO RICO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 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 3
(U.S.) AR ARKANSAS 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 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2
(U.S.) ME MAINE 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) MN MINNESOTA 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 1 0 0 0 0 0 0 0 0 0 2
(U.S.) AL ALABAMA 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 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) AZ ARIZONA 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 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) ID IDAHO 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 0 0 0 0 0 0 0 0 0 1
(U.S.) LA LOUISIANA 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 0 0 0 0 0 0 0 0 1
(U.S.) NH NEW HAMPSHIRE 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 0 0 0 0 0 1 0 0 0 0 1
(U.S.) NM NEW MEXICO 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 0 0 0 0 0 0 0 0 1
(U.S.) OK OKLAHOMA 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 0 0 0 0 0 0 0 0 1
(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 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
(U.S.)   -- Subtotal -- 34 42 78 59 39 41 40 61 85 47 35 61 33 35 39 44 11 29 37 20 26 32 23 13 26 15 18 21 14 13 6 8 12 15 12 24 14 10 30 14 8 17 9 13 8 4 12 8 7 13 16 1331
 
(Foreign) JPX JAPAN 0 1 3 7 1 1 0 2 7 2 8 5 6 6 4 8 4 20 20 12 23 40 26 12 18 16 10 8 9 15 9 6 9 12 11 22 7 9 7 14 21 17 10 5 4 3 1 7 10 20 9 507
(Foreign) DEX GERMANY 4 3 2 4 1 2 3 3 12 7 9 20 11 11 8 5 3 7 8 6 10 17 17 16 11 9 5 8 6 4 3 4 1 10 4 13 8 10 11 12 5 10 6 6 3 2 3 8 3 10 5 369
(Foreign) FRX FRANCE 0 4 6 5 3 1 1 2 4 8 4 1 2 2 5 2 1 2 3 4 6 4 11 5 15 9 7 7 11 15 12 17 1 5 5 9 13 7 8 12 6 3 1 0 2 1 1 7 6 5 7 278
(Foreign) CHX SWITZERLAND 2 4 8 20 7 3 7 2 7 6 8 4 3 4 9 5 1 5 3 7 12 11 5 6 11 2 3 0 3 3 1 1 0 8 2 8 7 5 6 4 1 1 2 3 2 3 5 1 5 5 8 249
(Foreign) GBX UNITED KINGDOM 0 3 6 4 5 1 4 5 3 3 1 2 0 0 0 3 0 0 3 3 4 2 2 3 0 5 0 1 1 0 0 0 0 0 0 1 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 69
(Foreign) SEX SWEDEN 6 6 4 5 2 1 2 3 3 3 1 4 0 0 2 1 0 0 1 2 0 0 1 0 0 0 2 0 0 0 0 1 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 0 0 2 1 57
(Foreign) ITX ITALY 0 0 1 0 0 2 0 0 3 4 1 1 0 1 0 0 0 0 0 1 1 0 2 5 2 1 0 0 0 0 1 0 1 0 0 2 0 2 0 1 2 4 0 1 2 1 0 2 0 1 3 48
(Foreign) NLX NETHERLANDS 0 1 0 1 0 0 2 0 5 1 2 0 3 0 1 6 0 0 2 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2 0 32
(Foreign) KRX KOREA, SOUTH 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 5 1 0 1 2 3 1 1 1 0 0 0 1 8 2 26
(Foreign) CAX CANADA 0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 1 0 0 0 2 2 1 2 0 0 0 1 0 0 2 0 0 0 0 0 0 1 0 0 0 20
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 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 0 2 0 0 0 0 0 0 5 0 7
(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 0 0 0 0 0 0 1 1 1 2 5
(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 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 4
(Foreign) NOX NORWAY 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 0 0 0 0 0 0 0 0 0 1 2 0 4
(Foreign) SUX U.S.S.R. 0 0 0 0 0 0 0 0 1 1 0 0 0 1 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 4
(Foreign) BEX BELGIUM 2 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 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 1 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 3
(Foreign) ATX AUSTRIA 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 0 0 0 0 0 0 1 0 2
(Foreign) ROX ROMANIA 0 0 0 0 0 0 0 1 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 2
(Foreign) TWX TAIWAN 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 0 0 0 0 0 1 0 0 1 0 2
(Foreign) ESX SPAIN 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 0 0 0 0 0 0 0 0 0 1
(Foreign) NZX NEW ZEALAND 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 1 0 0 0 0 0 0 0 0 0 1
(Foreign) PKX PAKISTAN 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 0 0 0 0 0 0 0 0 1
(Foreign) UAX UKRAINE 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 0 0 0 0 0 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 14 25 31 47 19 11 19 18 45 37 34 38 25 25 29 30 9 34 43 36 57 74 66 48 61 44 28 24 30 37 28 31 14 37 22 55 41 37 34 46 40 40 24 17 14 10 11 28 27 64 37 1695
 
(ALL) ALL All Regions, U.S. and Foreign 48 67 109 106 58 52 59 79 130 84 69 99 58 60 68 74 20 63 80 56 83 106 89 61 87 59 46 45 44 50 34 39 26 52 34 79 55 47 64 60 48 57 33 30 22 14 23 36 34 77 53 3026



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