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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 246, Railway Switches and Signals

( 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.) NY NEW YORK 14 10 22 34 12 7 14 9 12 6 8 6 10 8 6 7 2 0 3 6 1 2 1 4 4 3 2 0 1 3 4 1 1 2 9 3 2 3 2 3 6 1 1 3 2 2 0 4 3 2 0 271
(U.S.) PA PENNSYLVANIA 7 5 15 10 16 9 2 9 12 10 12 11 6 15 9 4 2 2 7 6 6 3 3 1 1 4 1 1 1 2 5 6 3 8 6 8 1 5 4 4 2 2 0 5 2 1 1 1 1 0 1 258
(U.S.) CA CALIFORNIA 3 0 4 3 2 2 2 2 5 5 5 1 2 5 0 1 0 0 1 1 0 0 0 1 0 1 1 1 4 1 2 1 2 1 0 4 0 1 0 0 0 0 1 1 2 1 0 1 2 2 1 75
(U.S.) IL ILLINOIS 4 2 2 1 1 2 3 6 0 4 2 0 0 2 2 0 0 1 0 1 0 0 0 0 1 1 0 2 0 1 1 2 2 4 3 3 1 4 5 1 0 0 0 0 0 1 1 1 1 1 0 69
(U.S.) MO MISSOURI 0 1 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 1 2 2 3 1 1 0 0 1 1 2 0 3 0 0 3 8 0 2 3 43
(U.S.) FL FLORIDA 0 1 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 2 1 0 0 0 0 1 0 0 0 0 2 1 1 0 2 0 1 1 1 4 2 0 0 1 1 1 6 3 37
(U.S.) OH OHIO 0 0 0 3 0 2 2 2 0 3 2 2 1 3 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 2 0 1 0 0 0 0 0 2 0 0 1 1 0 0 0 0 0 3 36
(U.S.) NJ NEW JERSEY 0 3 0 1 1 4 6 1 2 1 1 0 1 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 1 1 0 32
(U.S.) MD MARYLAND 0 0 0 0 1 0 1 0 0 0 0 0 2 1 0 0 0 0 0 1 0 0 0 1 1 0 0 0 1 0 0 1 1 1 1 3 0 0 1 1 4 1 0 0 1 0 0 0 0 1 0 25
(U.S.) VA VIRGINIA 0 1 5 1 1 0 2 1 1 3 2 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 1 0 0 2 0 0 0 0 0 0 0 1 1 25
(U.S.) TX TEXAS 0 0 1 2 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 2 2 0 1 1 0 0 1 0 1 2 2 0 21
(U.S.) IN INDIANA 1 0 0 0 1 0 1 2 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 2 1 0 0 0 0 0 2 0 0 0 0 16
(U.S.) MN MINNESOTA 0 0 0 0 1 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 2 16
(U.S.) NE NEBRASKA 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 2 0 0 1 0 1 1 2 1 2 0 1 0 0 0 0 1 1 0 0 0 0 0 15
(U.S.) MA MASSACHUSETTS 0 0 0 2 0 1 1 0 0 1 1 0 1 2 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 1 0 0 0 1 0 0 0 0 0 0 1 14
(U.S.) OR OREGON 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 1 0 2 1 0 1 0 0 1 1 0 0 14
(U.S.) GA GEORGIA 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 1 1 0 2 1 4 1 0 0 0 0 1 0 0 0 0 13
(U.S.) MI MICHIGAN 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 0 1 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 4 0 0 0 0 0 12
(U.S.) WI WISCONSIN 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 1 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 2 11
(U.S.) IA IOWA 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 0 1 2 0 0 2 0 0 1 0 0 0 0 0 1 0 0 1 0 0 10
(U.S.) CO COLORADO 1 0 1 0 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 1 0 0 0 0 0 0 0 1 0 1 0 0 1 9
(U.S.) CT CONNECTICUT 1 1 1 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 0 0 1 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 9
(U.S.) KS KANSAS 0 0 1 1 0 0 1 0 1 0 1 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
(U.S.) KY KENTUCKY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 9
(U.S.) SC SOUTH CAROLINA 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 1 0 1 0 1 0 2 3 0 0 0 0 0 0 0 0 0 0 9
(U.S.) AL ALABAMA 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 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 2 0 0 1 0 0 0 0 0 0 8
(U.S.) TN TENNESSEE 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
(U.S.) DE DELAWARE 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 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) LA LOUISIANA 0 0 0 0 0 0 1 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 0 0 0 0 0 0 0 0 3
(U.S.) NC NORTH CAROLINA 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 0 1 0 0 0 0 0 3
(U.S.) SD SOUTH DAKOTA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 1 3
(U.S.) VT VERMONT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 1 0 3
(U.S.) WA WASHINGTON 0 0 0 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 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 0 0 0 1 0 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 0 0 0 0 0 3
(U.S.) DC DISTRICT OF COLUMBIA 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) NM NEW MEXICO 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 0 0 0 0 0 0 0 2
(U.S.) OK OKLAHOMA 0 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 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) AZ ARIZONA 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
(U.S.) ID IDAHO 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 0 0 1
(U.S.) MT MONTANA 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 0 1
(U.S.) NH NEW HAMPSHIRE 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.) UT UTAH 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 0 1
(U.S.)   -- Subtotal -- 32 25 54 59 42 31 39 33 39 37 39 26 27 45 18 21 7 7 13 17 13 6 6 8 10 12 6 9 12 13 13 17 19 28 28 33 10 22 20 24 25 16 9 17 12 15 11 22 16 23 19 1105
 
(Foreign) DEX GERMANY 1 2 0 0 2 1 1 1 5 1 5 5 5 3 4 5 4 2 0 3 2 1 0 1 2 0 1 1 1 1 4 1 4 2 1 5 0 1 3 3 5 2 0 3 3 1 4 2 1 2 8 115
(Foreign) FRX FRANCE 0 1 2 2 1 2 0 1 0 3 2 6 1 1 2 2 2 0 3 1 1 3 1 1 0 1 2 2 3 2 2 2 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 1 2 0 1 60
(Foreign) JPX JAPAN 0 0 0 3 0 1 0 1 1 1 1 1 2 1 1 2 0 1 1 0 1 0 0 0 2 1 3 3 3 2 2 1 3 1 1 3 2 1 1 1 1 0 1 0 3 1 0 0 0 1 1 56
(Foreign) GBX UNITED KINGDOM 0 2 0 2 2 1 0 1 1 3 0 6 3 3 1 0 0 1 4 0 1 0 2 0 1 2 2 1 0 0 1 2 2 0 0 0 1 1 0 0 0 1 1 1 0 0 2 0 1 1 1 54
(Foreign) CAX CANADA 1 0 1 1 4 0 0 0 0 2 0 0 0 1 1 2 0 0 0 0 0 0 1 0 2 3 1 1 0 5 0 3 1 1 3 1 1 1 2 1 3 0 2 1 1 0 1 0 0 0 0 48
(Foreign) ATX AUSTRIA 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 2 0 0 0 0 0 0 0 0 0 1 3 2 1 2 1 1 4 1 0 1 2 2 3 2 1 1 3 3 1 0 0 1 0 0 43
(Foreign) ITX ITALY 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 2 0 1 0 0 1 1 1 1 0 0 1 0 1 0 1 0 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 0 2 1 26
(Foreign) CHX SWITZERLAND 0 0 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2 2 0 0 1 0 0 0 0 2 1 0 2 0 1 0 0 0 1 0 0 0 18
(Foreign) MXX MEXICO 0 0 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 1 2 0 0 1 0 1 2 1 0 0 0 0 0 0 0 0 1 0 2 13
(Foreign) SEX SWEDEN 0 0 0 0 0 0 0 0 1 1 0 2 1 0 2 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
(Foreign) BEX BELGIUM 0 0 0 0 0 0 0 1 2 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 1 0 0 6
(Foreign) NLX NETHERLANDS 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 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
(Foreign) AUX AUSTRALIA 0 0 0 0 1 0 0 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 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 4
(Foreign) INX INDIA 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 0 0 1 0 0 3
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 0 0 0 0 0 0 0 0 0 2 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 3
(Foreign) DKX DENMARK 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 2
(Foreign) KRX KOREA, SOUTH 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 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 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 2
(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 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) CSX CZECHOSLOVAKIA 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 0 1
(Foreign) CZX CZECH REPUBLIC 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 1
(Foreign) ESX SPAIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(Foreign) HKX CHINA, HONG KONG S.A.R. 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 1
(Foreign) MRX MAURITANIA 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 0 0 0 0 0 1
(Foreign) ROX ROMANIA 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 0 0 0 1
(Foreign)   -- Subtotal -- 2 6 4 10 10 8 2 7 12 12 9 21 13 12 13 14 10 4 12 4 6 6 6 4 10 8 10 14 9 14 13 12 14 10 9 12 6 8 13 13 12 8 7 10 14 4 9 5 8 6 14 479
 
(ALL) ALL All Regions, U.S. and Foreign 34 31 58 69 52 39 41 40 51 49 48 47 40 57 31 35 17 11 25 21 19 12 12 12 20 20 16 23 21 27 26 29 33 38 37 45 16 30 33 37 37 24 16 27 26 19 20 27 24 29 33 1584



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