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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 404, Road Structure, Process, or Apparatus

( 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 8 7 12 35 15 24 15 11 9 13 7 9 11 6 4 14 5 5 6 7 3 3 5 13 20 9 12 7 16 7 19 10 15 18 7 11 11 11 8 15 18 15 10 486
(U.S.) IL ILLINOIS 9 2 2 10 5 7 5 7 9 8 6 14 7 5 4 9 4 5 2 7 2 0 4 4 6 5 7 3 3 3 10 12 8 7 6 6 11 10 8 6 6 9 7 270
(U.S.) OH OHIO 7 1 7 12 5 6 8 5 7 6 7 5 12 5 4 4 0 3 6 2 1 4 6 3 4 6 15 11 8 7 7 5 4 0 4 2 4 3 5 5 9 6 3 234
(U.S.) NY NEW YORK 4 2 8 9 4 7 7 5 9 6 5 3 9 1 2 4 3 2 1 6 2 2 2 3 4 5 1 4 9 6 2 3 0 4 0 3 2 3 4 2 5 9 11 183
(U.S.) TX TEXAS 4 2 1 3 3 3 6 2 5 2 4 7 5 3 0 1 2 1 2 0 0 3 1 3 5 5 7 6 4 6 4 5 5 3 2 2 3 9 3 8 5 5 3 153
(U.S.) WI WISCONSIN 3 4 6 7 2 3 2 5 4 5 3 6 1 2 1 1 0 1 2 2 2 3 1 5 6 3 2 3 3 3 5 3 4 2 1 2 3 2 5 5 2 6 4 135
(U.S.) MN MINNESOTA 4 0 3 7 2 4 1 2 2 3 0 2 3 1 2 1 1 0 1 2 0 0 3 3 1 2 4 4 2 6 2 3 4 3 4 3 5 7 4 5 7 9 10 132
(U.S.) PA PENNSYLVANIA 3 1 4 4 5 1 2 2 6 1 1 2 4 4 1 5 1 1 3 1 1 3 4 6 1 1 1 4 2 5 3 3 5 11 4 1 6 2 0 2 2 7 2 128
(U.S.) FL FLORIDA 0 0 1 2 2 2 2 0 2 2 0 2 4 3 5 3 0 1 2 0 2 2 0 2 0 2 1 1 3 3 3 1 5 6 6 3 6 4 4 9 3 6 3 108
(U.S.) MI MICHIGAN 3 2 2 3 0 1 3 1 0 2 2 3 2 5 1 2 2 2 1 1 0 1 0 0 1 6 1 4 3 1 2 2 4 1 2 1 3 1 1 2 5 3 3 85
(U.S.) NJ NEW JERSEY 3 0 1 1 6 3 1 1 5 2 3 3 0 2 2 1 1 1 1 1 0 0 2 2 1 1 1 2 2 3 3 3 1 2 1 5 1 2 2 3 2 1 0 78
(U.S.) IA IOWA 2 2 3 2 5 1 2 2 0 2 1 0 0 1 2 2 1 3 0 0 1 1 1 1 1 0 3 2 1 1 4 2 1 2 2 1 5 6 0 1 2 0 1 70
(U.S.) OK OKLAHOMA 1 0 3 3 1 0 0 4 6 0 2 0 4 3 2 1 3 2 1 0 0 1 0 1 1 1 1 2 3 4 3 2 3 2 1 1 0 2 0 2 0 3 1 70
(U.S.) WA WASHINGTON 0 0 0 4 5 6 0 3 2 2 1 1 1 1 1 1 0 0 1 0 0 0 0 1 1 0 2 0 2 2 4 2 2 0 2 1 5 6 3 2 2 1 2 69
(U.S.) NC NORTH CAROLINA 1 3 1 2 1 0 0 0 0 0 2 1 0 0 0 0 3 1 2 4 3 1 4 1 5 3 6 1 1 0 0 1 1 3 3 2 0 1 1 2 2 3 3 68
(U.S.) AR ARKANSAS 0 0 0 1 0 0 0 1 1 0 0 0 1 3 1 0 0 0 1 2 1 1 1 3 6 1 1 1 0 1 1 3 2 6 3 2 7 6 1 0 1 2 1 62
(U.S.) IN INDIANA 0 0 2 2 2 2 1 0 2 1 1 1 1 1 3 2 0 0 1 1 0 0 0 0 1 4 2 0 0 0 2 2 2 1 2 1 4 4 2 2 2 0 0 54
(U.S.) MA MASSACHUSETTS 0 0 0 0 2 4 2 0 1 0 0 0 3 0 1 0 0 2 1 1 1 0 0 1 2 1 1 1 2 3 4 2 1 2 2 1 0 1 0 1 3 2 2 50
(U.S.) MD MARYLAND 0 1 2 4 2 0 1 0 5 3 1 3 0 1 0 0 1 0 1 0 0 1 1 0 1 1 3 0 0 2 2 1 1 1 1 1 1 1 2 3 0 0 1 49
(U.S.) OR OREGON 0 0 0 5 5 3 1 2 2 0 1 1 2 1 2 0 0 1 0 1 0 0 0 1 1 1 1 1 2 0 3 1 1 0 0 0 1 1 1 1 0 2 0 45
(U.S.) CO COLORADO 1 0 0 2 0 2 3 0 4 0 1 0 2 2 2 0 0 2 1 1 1 1 0 1 1 1 1 4 1 1 1 2 0 1 0 0 1 0 1 2 0 0 1 44
(U.S.) TN TENNESSEE 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 4 3 1 3 0 1 2 5 5 3 2 3 1 2 0 2 1 2 43
(U.S.) KS KANSAS 0 0 0 3 1 0 3 0 0 1 0 2 0 1 4 1 1 0 0 0 0 0 1 1 0 1 1 1 0 1 0 1 1 0 1 1 1 1 2 2 4 3 1 41
(U.S.) LA LOUISIANA 1 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 2 1 1 0 0 1 2 1 0 3 4 0 2 1 0 0 3 0 1 3 0 1 3 3 0 38
(U.S.) VA VIRGINIA 0 0 1 0 0 1 0 0 0 1 0 0 1 1 1 2 0 0 1 0 0 3 0 2 2 2 1 1 0 1 2 1 1 2 1 1 4 0 2 0 2 1 0 38
(U.S.) NV NEVADA 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 2 2 0 2 2 1 0 0 1 4 0 1 3 1 2 0 3 1 2 0 4 1 0 0 37
(U.S.) AZ ARIZONA 0 1 1 0 0 3 0 0 0 1 0 1 1 0 0 1 0 0 1 0 3 1 0 1 0 0 1 2 1 1 1 0 0 0 1 1 1 1 1 1 0 1 6 34
(U.S.) MO MISSOURI 0 0 0 2 3 1 1 0 1 0 1 2 1 0 0 1 0 0 0 1 0 1 1 0 0 0 1 1 2 1 0 0 1 1 1 0 1 0 1 0 3 1 0 30
(U.S.) UT UTAH 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 0 0 1 3 1 0 1 0 0 2 1 4 1 2 2 1 2 2 1 29
(U.S.) GA GEORGIA 0 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 2 2 1 2 1 1 1 0 2 2 0 1 2 2 1 2 1 0 0 28
(U.S.) SD SOUTH DAKOTA 0 0 1 0 0 2 3 4 1 0 0 0 0 1 0 1 0 0 1 1 1 1 0 0 1 0 0 1 1 0 1 0 2 1 2 1 0 0 1 0 0 0 0 28
(U.S.) MS MISSISSIPPI 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 0 0 0 0 2 1 2 0 0 1 3 2 0 1 1 2 1 0 1 0 3 0 27
(U.S.) CT CONNECTICUT 0 0 0 2 1 1 0 0 1 0 0 2 1 0 0 1 0 0 0 1 0 0 2 0 0 0 0 0 1 1 1 2 2 0 0 0 2 1 1 1 0 0 1 25
(U.S.) SC SOUTH CAROLINA 0 0 0 2 0 1 0 0 1 1 0 0 0 0 1 0 0 1 0 2 0 0 1 1 1 0 0 2 1 2 0 1 0 0 0 1 0 1 1 0 0 0 2 23
(U.S.) ID IDAHO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 2 0 0 0 0 0 2 1 0 1 2 2 0 1 2 2 0 20
(U.S.) NE NEBRASKA 1 0 0 2 1 0 0 0 0 2 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 1 0 1 0 0 2 1 0 0 0 0 1 0 1 1 1 20
(U.S.) KY KENTUCKY 1 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 1 0 0 1 2 1 2 0 0 1 0 0 1 1 1 0 18
(U.S.) AL ALABAMA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 1 1 1 0 0 1 1 1 1 0 0 1 0 2 2 1 17
(U.S.) NM NEW MEXICO 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 1 1 1 0 0 0 0 0 0 12
(U.S.) RI RHODE ISLAND 0 0 0 1 0 0 0 1 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 2 1 0 0 0 0 0 0 1 12
(U.S.) WY WYOMING 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 2 1 1 0 0 0 11
(U.S.) ME MAINE 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 0 0 0 0 1 2 0 0 1 0 0 0 0 0 0 0 1 10
(U.S.) ND NORTH DAKOTA 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 9
(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 1 0 0 0 0 0 1 0 0 0 1 2 0 0 1 1 0 2 0 9
(U.S.) VT VERMONT 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 1 0 1 2 1 0 0 0 1 1 0 0 0 0 9
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 2 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 1 0 2 2 0 0 9
(U.S.) AK ALASKA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1 8
(U.S.) DE DELAWARE 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 8
(U.S.) MT MONTANA 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 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 5
(U.S.) DC DISTRICT OF COLUMBIA 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 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3
(U.S.) PR PUERTO RICO 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 0 0 0 0 0 0 0 1 0 0 3
(U.S.) HI HAWAII 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 0 0 0 2
(U.S.)   -- Subtotal -- 58 30 64 135 82 91 69 63 88 64 53 74 79 55 47 63 31 39 51 51 28 38 47 67 86 72 89 84 87 75 102 91 97 97 75 73 103 103 74 99 105 113 87 3179
(Foreign) DEX GERMANY 5 3 2 14 11 7 11 7 12 7 7 15 11 4 3 8 3 8 4 9 7 3 5 4 5 10 5 7 8 4 7 5 7 8 6 9 10 8 11 11 11 4 7 313
(Foreign) CAX CANADA 1 1 1 1 0 3 1 1 5 1 0 3 3 1 0 4 0 1 2 1 0 0 0 3 6 3 10 6 7 9 12 11 13 8 4 7 6 9 5 7 5 8 6 175
(Foreign) JPX JAPAN 0 1 0 1 0 1 1 0 1 0 0 4 2 2 1 1 2 1 3 2 1 0 2 4 5 4 6 4 5 0 8 2 4 4 2 6 9 6 8 7 5 8 5 128
(Foreign) GBX UNITED KINGDOM 2 2 4 3 2 3 4 5 3 6 2 6 3 5 4 4 1 1 2 4 3 0 5 3 4 2 1 4 1 2 1 5 1 7 2 2 2 2 1 1 6 1 3 125
(Foreign) CHX SWITZERLAND 2 0 1 1 2 2 1 1 4 1 1 6 10 3 0 3 1 1 1 4 4 1 3 5 6 1 3 4 9 5 0 2 1 2 0 0 1 0 0 3 1 0 0 96
(Foreign) FRX FRANCE 2 0 4 3 1 1 3 0 3 1 0 1 2 2 1 0 2 1 0 2 0 3 2 1 3 2 6 1 6 5 4 4 5 2 1 2 3 5 1 3 2 2 1 93
(Foreign) SEX SWEDEN 0 0 0 2 0 0 0 2 4 2 1 5 4 1 1 2 4 3 2 2 3 3 0 2 3 3 0 0 0 2 0 0 1 0 4 1 1 0 5 2 1 2 1 69
(Foreign) ITX ITALY 1 0 0 1 2 1 1 0 3 0 0 1 1 0 0 0 0 0 0 1 0 1 1 2 1 0 1 1 0 1 0 1 0 3 4 2 1 0 1 6 2 3 3 46
(Foreign) AUX AUSTRALIA 1 0 1 1 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 2 3 0 0 2 2 2 1 3 0 1 0 1 0 0 2 3 3 1 3 1 36
(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 1 2 1 3 1 2 1 1 1 5 0 0 2 2 2 3 27
(Foreign) NLX NETHERLANDS 0 0 1 1 0 0 3 0 2 0 0 1 1 1 0 0 0 0 0 3 1 0 0 2 0 0 2 0 0 0 0 1 1 1 1 0 0 0 1 2 1 0 0 26
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 0 0 0 0 1 1 0 1 0 3 1 0 1 0 1 1 1 0 0 0 0 0 0 0 2 0 1 0 0 1 1 2 1 0 0 1 0 0 2 22
(Foreign) ATX AUSTRIA 0 1 1 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 1 0 2 0 0 1 0 0 0 1 1 0 1 0 1 1 0 1 0 0 0 1 0 1 1 19
(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 1 0 0 0 0 1 0 0 0 0 0 0 1 2 2 0 0 3 2 3 15
(Foreign) BEX BELGIUM 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 1 3 1 1 1 14
(Foreign) ESX SPAIN 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 2 0 0 1 0 0 0 0 0 1 0 0 1 1 12
(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 2 0 1 0 0 1 1 1 0 1 0 0 0 0 1 1 1 11
(Foreign) NOX NORWAY 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 2 0 0 10
(Foreign) DKX DENMARK 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 9
(Foreign) SUX U.S.S.R. 0 0 0 0 0 1 0 0 0 0 1 0 0 0 2 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 6
(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 1 2 1 0 0 0 0 5
(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 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 4
(Foreign) MXX 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 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4
(Foreign) BRX BRAZIL 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 1 0 0 0 0 0 0 3
(Foreign) MYX MALAYSIA 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 1 0 0 0 0 0 0 0 0 0 0 0 0 2
(Foreign) CSX CZECHOSLOVAKIA 0 0 0 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 1
(Foreign) IDX INDONESIA 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) LUX LUXEMBOURG 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 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 1 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 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 1
(Foreign) SAX SAUDI ARABIA 0 0 0 0 0 0 0 0 0 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) SVX EL SALVADOR 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) VEX VENEZUELA 0 0 0 0 0 0 0 0 0 0 0 0 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
(Foreign)   -- Subtotal -- 15 8 17 28 18 20 27 17 41 21 13 46 41 23 14 23 15 18 19 30 23 13 21 33 34 25 41 34 48 32 43 35 39 40 28 35 44 37 41 53 44 42 39 1278
(ALL) ALL All Regions, U.S. and Foreign 73 38 81 163 100 111 96 80 129 85 66 120 120 78 61 86 46 57 70 81 51 51 68 100 120 97 130 118 135 107 145 126 136 137 103 108 147 140 115 152 149 155 126 4457


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