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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 256, Fences

( 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.) CA CALIFORNIA 4 1 1 2 4 6 7 4 2 7 5 2 2 4 9 4 3 1 1 7 5 4 4 4 8 2 3 5 2 4 5 1 4 3 5 2 3 6 8 8 7 4 2 175
(U.S.) TX TEXAS 2 0 0 0 0 1 1 3 1 1 2 1 0 0 2 1 1 2 2 0 1 2 2 1 4 0 0 2 1 2 0 2 2 5 7 4 3 4 5 5 7 7 5 91
(U.S.) PA PENNSYLVANIA 2 0 1 4 8 3 6 5 3 2 0 5 0 0 1 4 2 2 0 0 0 0 1 0 1 3 0 1 3 1 1 0 2 0 1 2 2 2 6 2 5 0 1 82
(U.S.) OH OHIO 3 0 4 0 4 2 1 2 2 2 3 1 2 3 2 2 0 0 0 0 1 1 2 1 2 2 2 2 0 0 2 0 1 0 2 2 4 2 7 3 3 1 1 74
(U.S.) FL FLORIDA 0 0 1 0 1 2 1 1 3 2 2 5 1 5 3 3 0 1 1 0 1 2 0 0 0 1 0 4 1 1 1 2 1 4 1 3 1 0 4 1 2 3 3 68
(U.S.) NY NEW YORK 1 1 2 2 3 1 4 1 1 0 2 0 2 2 4 3 0 1 0 0 0 1 5 1 1 1 3 0 3 1 2 0 0 2 0 3 1 1 1 2 2 1 3 64
(U.S.) IL ILLINOIS 1 1 2 0 1 2 0 2 2 2 6 4 4 3 3 1 2 2 2 1 0 0 0 0 2 1 3 1 0 0 0 0 2 1 1 1 2 0 0 2 3 0 0 60
(U.S.) MI MICHIGAN 0 0 2 0 0 0 1 2 1 2 1 4 1 1 1 3 1 2 0 0 1 0 0 1 1 0 0 4 3 2 3 4 0 2 3 4 0 2 1 1 0 2 4 60
(U.S.) MD MARYLAND 1 2 2 1 2 3 3 1 0 0 1 1 3 1 0 1 7 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 2 3 0 1 0 2 0 0 1 1 0 43
(U.S.) NJ NEW JERSEY 1 0 0 1 1 1 3 0 2 1 0 0 2 1 0 1 1 1 1 0 1 0 0 1 0 0 2 2 1 1 2 2 0 0 3 1 0 2 2 1 3 0 1 42
(U.S.) AZ ARIZONA 0 0 1 1 1 2 0 1 0 0 1 0 1 2 0 0 1 1 1 0 0 2 1 0 3 1 3 1 2 2 2 0 1 1 1 2 0 1 0 0 1 1 0 38
(U.S.) MN MINNESOTA 0 0 1 1 1 0 0 0 1 0 0 1 2 1 1 2 0 0 3 1 1 0 1 0 1 0 2 1 0 0 0 0 0 0 1 0 1 3 2 0 2 1 4 35
(U.S.) UT UTAH 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 1 0 2 1 0 0 3 2 2 2 1 1 3 2 2 1 2 1 3 1 34
(U.S.) OK OKLAHOMA 0 0 1 1 0 1 1 0 0 0 0 0 2 1 0 1 0 1 0 1 0 1 0 0 1 0 0 2 1 0 0 0 2 0 0 1 2 0 2 2 0 5 2 31
(U.S.) MO MISSOURI 0 0 1 1 1 0 1 0 0 0 0 0 1 0 1 1 1 1 1 0 1 3 2 1 1 0 0 1 0 1 0 0 0 0 0 0 0 1 3 1 2 0 3 30
(U.S.) NE NEBRASKA 0 0 0 1 1 2 0 1 0 1 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 2 4 2 4 3 1 3 3 30
(U.S.) CO COLORADO 0 0 1 0 0 0 2 0 1 2 0 0 0 2 0 3 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 2 2 0 2 0 0 2 0 2 2 1 1 28
(U.S.) KS KANSAS 0 0 1 0 2 1 0 3 0 0 0 2 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 2 0 1 0 0 0 5 1 1 25
(U.S.) IN INDIANA 1 1 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 2 1 1 0 0 2 0 2 1 0 0 0 0 2 1 3 0 1 0 0 0 1 0 1 24
(U.S.) MA MASSACHUSETTS 0 1 2 2 1 0 1 0 0 0 0 1 1 0 1 4 2 1 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 2 24
(U.S.) OR OREGON 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 2 1 0 0 1 0 2 1 1 2 1 0 1 0 1 1 1 22
(U.S.) CT CONNECTICUT 0 0 0 0 1 0 0 0 1 1 1 1 1 1 2 0 0 2 0 0 0 0 1 0 1 2 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 20
(U.S.) TN TENNESSEE 0 0 0 0 0 1 0 0 0 2 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 2 1 0 0 1 0 1 0 1 2 0 0 0 3 0 3 20
(U.S.) WI WISCONSIN 0 0 2 0 0 0 0 1 0 2 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 1 0 0 1 2 1 1 0 1 20
(U.S.) IA IOWA 0 0 0 2 0 0 0 3 0 0 1 0 1 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 2 1 1 0 18
(U.S.) VA VIRGINIA 1 0 0 2 0 1 3 0 0 0 1 0 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 18
(U.S.) GA GEORGIA 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 2 0 0 0 0 0 0 2 1 0 1 0 2 0 0 1 1 1 2 0 0 17
(U.S.) AL ALABAMA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 2 1 1 2 0 0 1 1 0 0 0 0 0 0 1 1 1 16
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 2 2 1 0 1 1 1 1 0 1 0 1 0 0 15
(U.S.) WA WASHINGTON 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 3 0 0 0 0 0 0 1 1 2 0 0 0 0 1 14
(U.S.) KY KENTUCKY 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 1 0 1 0 1 1 0 0 0 1 0 1 13
(U.S.) LA LOUISIANA 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 0 10
(U.S.) NV NEVADA 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 1 0 1 1 0 0 0 0 10
(U.S.) SC SOUTH CAROLINA 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 1 2 0 0 0 0 10
(U.S.) MT MONTANA 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 8
(U.S.) SD SOUTH DAKOTA 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 1 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 7
(U.S.) NM NEW MEXICO 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 1 1 0 0 1 0 0 1 0 0 0 6
(U.S.) HI HAWAII 0 0 0 0 1 0 0 0 0 0 0 0 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 1 0 0 0 0 0 5
(U.S.) RI RHODE ISLAND 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 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 5
(U.S.) WV WEST VIRGINIA 0 0 1 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 0 0 1 0 1 0 0 0 0 0 5
(U.S.) ID IDAHO 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 1 0 1 4
(U.S.) MS MISSISSIPPI 1 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 1 0 1 0 0 0 0 4
(U.S.) NH NEW HAMPSHIRE 1 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 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4
(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 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 3
(U.S.) DC DISTRICT OF COLUMBIA 1 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) ND NORTH DAKOTA 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 1 0 0 0 0 0 0 0 0 0 1 0 3
(U.S.) WY WYOMING 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 1 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 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 2
(U.S.) VT VERMONT 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 0 0 0 0 0 0 0 0 2
(U.S.) ME MAINE 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 1
(U.S.)   -- Subtotal -- 21 7 27 22 37 33 36 33 21 34 32 31 33 35 37 40 28 22 22 15 20 20 25 18 35 18 31 33 28 30 28 23 29 33 40 43 37 47 55 40 61 39 47 1346
(Foreign) CAX CANADA 2 0 0 1 0 1 1 0 3 0 2 1 0 5 1 2 1 4 1 2 2 1 2 3 0 4 7 4 1 3 6 5 6 5 6 2 1 7 5 2 4 6 4 113
(Foreign) FRX FRANCE 1 1 1 0 0 1 2 0 0 1 0 1 3 4 3 1 2 2 1 2 0 0 1 1 1 2 0 1 1 1 0 1 2 0 1 0 0 0 1 0 1 1 0 41
(Foreign) GBX UNITED KINGDOM 1 0 0 1 1 3 0 1 1 1 1 0 0 0 0 1 0 0 2 0 0 0 2 1 1 2 0 2 1 1 1 2 0 1 1 0 1 1 0 0 2 4 3 39
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 1 1 1 0 0 3 0 0 0 1 0 1 2 0 2 0 2 1 2 0 0 2 0 0 1 1 0 0 1 2 2 0 2 0 3 1 32
(Foreign) DEX GERMANY 1 0 0 1 3 0 0 0 0 2 0 0 0 0 2 1 1 1 2 1 1 0 1 1 0 0 0 2 0 0 1 0 0 0 1 0 2 1 3 1 0 0 0 29
(Foreign) JPX JAPAN 0 0 0 0 0 0 0 0 1 0 0 0 0 2 2 0 1 1 1 0 1 0 3 1 0 2 0 1 1 0 0 0 0 1 1 2 0 1 1 0 0 1 1 25
(Foreign) SEX SWEDEN 0 0 0 0 1 0 1 0 0 0 0 1 0 2 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 0 3 16
(Foreign) TWX TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 2 2 1 0 1 2 1 0 0 0 0 0 2 0 16
(Foreign) ITX ITALY 0 0 0 0 1 0 4 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 1 1 1 0 0 0 0 0 0 14
(Foreign) NZX NEW ZEALAND 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 2 0 1 0 0 0 1 0 0 0 0 1 1 0 0 1 0 1 13
(Foreign) LUX LUXEMBOURG 0 0 0 0 0 0 0 0 1 1 0 1 1 2 1 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 10
(Foreign) CHX SWITZERLAND 0 0 0 1 1 1 1 0 0 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 1 1 0 0 1 0 0 9
(Foreign) ZAX SOUTH AFRICA 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 9
(Foreign) BEX BELGIUM 0 0 0 0 0 0 2 3 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 1 0 0 0 0 0 0 0 0 0 8
(Foreign) NLX NETHERLANDS 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 7
(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 1 1 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 5
(Foreign) ARX ARGENTINA 0 0 0 0 0 0 0 0 0 0 0 0 0 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 4
(Foreign) DKX DENMARK 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4
(Foreign) ATX AUSTRIA 0 0 0 1 0 0 0 0 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 0 0 0 0 3
(Foreign) IEX IRELAND 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 1 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 0 0 0 0 0 1 0 1
(Foreign) CLX CHILE 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 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 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 1 0 0 0 0 1
(Foreign) ISX ICELAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(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 0 0 0 0 0 0 0 0 1 0 0 0 0 1
(Foreign) MXX MEXICO 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 1
(Foreign) NOX NORWAY 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) ZWX ZIMBABWE 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 1
(Foreign)   -- Subtotal -- 6 1 2 6 8 6 12 6 7 6 6 4 7 19 11 6 7 10 13 10 6 6 13 10 8 16 11 14 8 9 11 11 9 11 14 8 11 15 14 6 12 18 16 410
(ALL) ALL All Regions, U.S. and Foreign 27 8 29 28 45 39 48 39 28 40 38 35 40 54 48 46 35 32 35 25 26 26 38 28 43 34 42 47 36 39 39 34 38 44 54 51 48 62 69 46 73 57 63 1756


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