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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 105, Railway Rolling Stock

( 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 13 20 18 20 12 16 14 18 15 17 33 23 2 8 15 10 14 18 13 3 13 11 6 8 14 12 12 7 10 6 3 12 19 8 19 6 13 17 10 7 7 4 536
(U.S.) PA PENNSYLVANIA 3 12 9 10 4 3 5 6 4 9 4 15 12 4 5 6 3 12 8 9 3 14 9 2 16 3 5 7 9 2 4 4 7 5 7 6 5 4 9 4 7 7 3 285
(U.S.) IN INDIANA 1 8 13 4 3 2 3 8 12 14 22 15 7 6 11 7 10 17 8 5 4 2 3 4 8 3 2 6 4 6 3 1 2 2 3 1 0 0 1 5 6 1 0 243
(U.S.) OH OHIO 3 9 12 17 12 11 14 6 17 5 7 5 2 1 4 2 1 4 2 4 4 1 3 8 3 2 2 4 1 3 1 2 2 1 5 2 5 3 3 2 4 0 1 200
(U.S.) MO MISSOURI 2 1 6 15 11 12 11 18 7 14 11 6 8 5 3 6 1 5 5 4 0 3 4 7 3 1 5 2 2 5 0 5 3 1 0 2 1 0 0 0 0 2 1 198
(U.S.) NY NEW YORK 8 5 7 7 5 4 3 2 0 1 0 3 6 3 4 0 1 3 3 3 4 2 0 3 3 2 2 3 3 0 4 0 1 2 0 1 0 0 0 0 1 2 2 103
(U.S.) CA CALIFORNIA 6 2 1 3 0 4 3 1 3 2 0 3 5 3 0 0 3 4 5 5 1 1 2 1 2 0 0 3 2 4 5 2 2 3 4 0 1 1 0 1 3 1 1 93
(U.S.) TX TEXAS 2 1 1 1 0 4 1 0 2 1 1 3 1 0 1 2 1 1 3 3 1 0 0 0 0 0 0 1 4 3 1 2 3 3 1 4 6 5 6 5 1 5 6 86
(U.S.) MI MICHIGAN 2 0 6 3 1 2 1 1 2 4 0 3 2 3 1 1 1 0 4 1 1 0 1 2 0 2 1 2 5 1 0 2 2 1 2 3 0 3 2 0 2 0 2 72
(U.S.) OR OREGON 0 0 0 0 0 0 0 2 0 0 2 1 1 0 0 0 1 0 0 1 0 0 0 2 0 1 2 1 0 1 2 1 2 1 2 5 1 1 4 3 5 1 1 44
(U.S.) GA GEORGIA 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 1 1 6 0 2 2 2 5 3 1 0 0 3 1 0 0 0 0 0 0 4 0 0 3 38
(U.S.) KS KANSAS 0 0 0 0 1 0 0 0 3 2 0 1 0 0 0 2 1 0 0 0 2 1 0 0 0 0 2 2 0 1 1 2 1 3 2 0 0 4 1 2 1 0 0 35
(U.S.) WI WISCONSIN 0 0 2 1 2 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 2 5 1 1 1 1 0 3 0 2 2 3 1 0 1 32
(U.S.) NJ NEW JERSEY 1 3 2 0 0 2 1 3 3 3 3 0 1 0 0 0 0 1 0 0 0 0 0 0 2 0 1 0 0 0 0 2 0 1 0 0 0 0 0 0 1 1 0 31
(U.S.) VA VIRGINIA 1 0 1 2 1 5 3 1 0 1 1 0 0 0 0 0 0 2 1 0 0 0 1 3 0 0 1 0 0 1 0 0 0 1 1 1 1 0 1 0 0 0 0 30
(U.S.) FL FLORIDA 0 1 1 0 0 0 3 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 1 1 0 1 0 4 3 0 1 1 3 0 0 0 0 1 1 1 27
(U.S.) MN MINNESOTA 0 1 0 0 0 0 0 1 0 1 2 2 2 1 0 0 0 1 2 1 1 1 1 0 0 0 0 0 1 1 2 1 1 1 2 1 0 0 0 0 0 0 0 27
(U.S.) WA WASHINGTON 1 0 2 0 0 0 0 0 1 0 1 1 1 2 0 1 1 0 0 2 0 0 2 1 2 1 0 0 1 0 1 1 0 1 0 0 0 0 0 1 0 0 0 24
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 3 0 4 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 2 2 1 0 1 3 23
(U.S.) AL ALABAMA 0 0 0 0 0 1 1 0 2 1 1 1 1 0 0 0 0 1 3 1 0 0 0 0 0 1 2 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 1 20
(U.S.) NE NEBRASKA 0 0 0 1 2 0 0 0 0 0 0 0 1 0 1 0 0 1 3 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 2 1 1 0 0 1 0 0 19
(U.S.) KY KENTUCKY 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 2 0 0 0 0 0 0 1 1 1 0 1 0 0 0 2 1 0 0 2 17
(U.S.) ID IDAHO 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 1 1 0 2 2 2 0 0 0 0 0 1 0 0 15
(U.S.) TN TENNESSEE 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 1 1 2 0 0 1 1 1 1 0 0 1 1 1 0 13
(U.S.) MD MARYLAND 0 1 0 1 0 2 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 12
(U.S.) UT UTAH 1 0 1 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 1 0 1 0 0 0 0 2 2 0 1 1 12
(U.S.) CO COLORADO 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 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 0 9
(U.S.) CT CONNECTICUT 0 0 0 0 0 1 1 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 9
(U.S.) AZ ARIZONA 0 0 0 2 0 0 0 1 1 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 1 0 0 0 0 0 7
(U.S.) IA IOWA 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 7
(U.S.) MA MASSACHUSETTS 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 7
(U.S.) SD SOUTH DAKOTA 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 7
(U.S.) OK OKLAHOMA 0 0 0 0 0 0 0 1 2 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 6
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 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 5
(U.S.) LA LOUISIANA 0 0 0 0 1 0 0 0 0 0 0 0 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 4
(U.S.) AR ARKANSAS 0 0 0 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) DE DELAWARE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 3
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 0 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 1 0 0 0 0 3
(U.S.) NH NEW HAMPSHIRE 0 0 0 1 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 2
(U.S.) NV NEVADA 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 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) AK ALASKA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(U.S.) HI HAWAII 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 1
(U.S.) MS MISSISSIPPI 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 1
(U.S.) MT MONTANA 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.) ND NORTH 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 1 0 0 0 0 0 0 0 1
(U.S.) NM NEW MEXICO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(U.S.) RI RHODE ISLAND 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 1
(U.S.) WY WYOMING 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.)   -- Subtotal -- 41 60 85 92 64 67 67 68 80 77 77 96 76 34 39 47 40 71 70 65 26 49 40 44 51 33 45 50 49 46 43 40 44 54 46 58 29 42 55 47 43 33 34 2317
(Foreign) DEX GERMANY 4 8 2 4 1 4 4 4 9 10 7 12 6 3 3 3 9 3 8 4 4 7 7 7 12 4 6 5 5 7 6 8 13 9 6 11 12 10 17 13 6 0 5 288
(Foreign) CAX CANADA 13 4 6 3 4 6 3 2 4 2 4 2 1 0 3 0 0 4 2 2 1 1 4 1 4 4 7 3 6 6 6 1 2 3 0 3 1 4 7 6 13 3 12 163
(Foreign) FRX FRANCE 1 2 4 1 1 1 1 2 2 2 1 5 9 4 0 0 4 1 2 1 1 1 2 2 4 2 5 7 7 7 4 2 5 3 4 4 6 4 6 12 5 3 1 141
(Foreign) JPX JAPAN 1 1 1 0 1 3 1 0 0 2 1 1 4 1 1 1 0 2 1 2 2 3 2 3 2 5 2 4 4 9 4 8 4 1 6 2 1 3 5 7 4 6 8 119
(Foreign) CHX SWITZERLAND 0 0 0 0 1 1 0 0 1 1 5 4 2 2 0 1 3 1 6 7 2 1 2 4 2 2 0 1 2 2 5 4 0 0 2 2 2 0 1 1 1 0 0 71
(Foreign) GBX UNITED KINGDOM 2 1 4 4 1 3 2 5 2 7 5 4 5 2 0 2 1 1 2 2 0 1 1 2 2 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 3 1 0 69
(Foreign) ITX ITALY 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 1 3 3 0 0 2 4 1 2 0 1 1 2 1 3 2 3 0 0 0 0 0 0 0 1 34
(Foreign) ZAX SOUTH AFRICA 0 0 1 8 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 3 0 2 1 0 3 2 0 0 1 0 1 0 1 1 0 1 0 0 0 1 0 0 0 31
(Foreign) SEX SWEDEN 1 0 0 1 0 0 1 1 1 0 0 0 1 2 3 0 0 1 0 0 0 0 0 2 1 1 2 0 0 0 0 3 0 1 0 2 3 0 0 0 1 1 0 29
(Foreign) ATX AUSTRIA 1 1 0 0 1 0 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 1 0 0 1 0 1 4 1 1 1 0 1 2 0 2 2 2 28
(Foreign) AUX AUSTRALIA 0 0 0 0 0 1 1 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 1 16
(Foreign) BEX BELGIUM 0 0 0 0 0 0 0 0 0 2 1 0 0 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 11
(Foreign) ESX SPAIN 0 0 0 1 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 2 2 0 0 2 2 0 0 0 11
(Foreign) MXX MEXICO 1 0 0 0 0 1 1 1 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 7
(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 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 5
(Foreign) NLX NETHERLANDS 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 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 5
(Foreign) SUX U.S.S.R. 0 0 0 1 0 1 2 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 5
(Foreign) FIX FINLAND 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 0 0 0 0 0 0 0 0 0 0 0 0 1 4
(Foreign) HUX HUNGARY 0 0 0 0 0 0 0 0 0 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 1 2
(Foreign) INX INDIA 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 2
(Foreign) NOX NORWAY 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 0 0 0 0 0 0 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 0 0 1 0 0 1
(Foreign) CSX CZECHOSLOVAKIA 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) 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 0 0 0 0 0 1 0 0 0 1
(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 0 0 0 1 0 0 0 0 1
(Foreign) ILX ISRAEL 0 0 0 0 0 0 0 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 1
(Foreign) TNX TUNISIA 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) VEX VENEZUELA 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) ZWX ZIMBABWE 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)   -- Subtotal -- 25 17 20 24 11 22 17 15 22 32 27 29 28 17 11 12 19 17 24 25 13 18 20 23 34 25 26 20 29 36 29 29 33 23 25 31 26 22 43 44 38 17 33 1051
(ALL) ALL All Regions, U.S. and Foreign 66 77 105 116 75 89 84 83 102 109 104 125 104 51 50 59 59 88 94 90 39 67 60 67 85 58 71 70 78 82 72 69 77 77 71 89 55 64 98 91 81 50 67 3368


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