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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 1963 - 2004 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 037, Excavating

( 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 )

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 Total
(U.S.) IL ILLINOIS 14 10 13 13 21 10 38 15 12 17 17 18 19 36 30 21 5 12 9 9 3 2 1 5 2 1 4 7 2 6 6 0 12 7 3 7 9 9 6 10 6 5 452
(U.S.) TX TEXAS 5 3 6 7 4 1 6 5 2 2 5 3 7 8 10 7 7 7 2 6 2 3 5 1 1 4 3 4 5 4 9 7 5 7 2 4 7 13 7 10 6 8 220
(U.S.) CA CALIFORNIA 4 4 5 13 23 10 18 8 10 5 9 6 4 5 2 2 3 2 3 6 3 1 6 3 2 4 4 4 4 3 2 1 2 3 5 1 1 2 2 5 3 2 205
(U.S.) WI WISCONSIN 5 2 4 4 9 2 12 3 4 3 6 4 3 0 4 3 4 3 5 3 7 4 0 1 0 1 2 5 4 7 5 2 9 3 8 12 8 10 6 6 9 6 198
(U.S.) OH OHIO 8 5 7 2 8 9 13 3 5 7 0 6 4 5 3 4 2 4 3 3 2 2 2 2 2 0 5 2 4 3 2 4 2 4 2 3 0 3 5 4 4 4 162
(U.S.) MI MICHIGAN 4 1 2 0 3 0 5 2 3 2 2 1 3 2 4 1 1 2 2 2 0 1 1 1 2 0 2 3 5 2 0 2 1 8 1 0 4 6 7 6 7 2 103
(U.S.) IA IOWA 3 4 4 3 5 2 4 4 3 1 4 2 3 1 2 2 4 1 5 6 3 1 1 1 0 2 1 1 2 0 0 0 1 2 1 2 4 4 1 3 2 6 101
(U.S.) NY NEW YORK 3 3 3 1 4 5 10 1 4 2 3 1 1 2 1 1 3 1 2 0 5 1 2 1 1 2 4 1 4 4 3 0 4 3 1 2 1 1 1 4 3 1 100
(U.S.) MN MINNESOTA 3 0 2 4 2 2 7 2 3 3 3 1 0 3 1 3 0 1 0 4 1 1 0 1 3 3 0 2 2 3 2 1 3 2 2 2 4 5 7 4 4 2 98
(U.S.) OR OREGON 4 2 1 1 0 0 2 2 3 2 0 1 1 1 0 2 1 0 3 4 1 4 1 2 4 5 2 2 6 3 1 2 1 1 2 1 7 3 0 4 3 3 88
(U.S.) PA PENNSYLVANIA 0 0 1 2 2 0 5 0 1 1 2 1 1 2 0 1 1 2 0 1 0 0 0 0 2 1 3 2 2 2 0 0 0 4 3 2 4 5 2 2 3 3 63
(U.S.) MA MASSACHUSETTS 2 3 2 0 1 0 1 0 0 3 2 2 1 2 0 1 1 1 2 2 0 2 1 1 1 2 2 0 1 2 1 0 2 0 2 3 2 2 2 3 2 1 58
(U.S.) OK OKLAHOMA 0 1 0 1 3 0 5 1 1 2 2 0 2 2 1 2 0 1 1 1 2 0 0 0 0 1 1 2 2 2 3 1 0 3 1 3 2 2 1 1 0 2 55
(U.S.) FL FLORIDA 1 1 0 1 0 1 3 1 1 1 2 2 0 1 0 1 0 0 1 2 0 1 2 5 0 0 4 3 1 1 3 0 3 2 2 0 2 2 2 1 0 1 54
(U.S.) WA WASHINGTON 2 0 2 1 3 3 3 1 1 1 3 1 1 2 1 1 0 1 0 0 2 0 0 0 1 1 2 0 1 0 0 2 2 2 1 0 0 0 2 3 1 0 47
(U.S.) KS KANSAS 1 2 1 0 1 1 1 0 1 0 2 1 0 1 1 1 0 1 1 2 2 0 0 0 0 4 3 0 1 1 4 0 1 0 2 2 4 1 0 1 2 0 46
(U.S.) MD MARYLAND 1 2 2 2 1 2 2 1 1 0 2 2 1 1 1 1 0 0 2 0 1 0 0 1 2 2 0 2 1 1 0 0 0 0 0 1 0 0 5 0 1 1 42
(U.S.) LA LOUISIANA 2 1 2 1 1 4 0 1 3 0 0 0 2 1 2 0 0 2 0 1 1 0 0 0 1 0 1 1 0 1 1 0 1 1 1 0 2 1 1 2 0 2 40
(U.S.) VA VIRGINIA 1 0 1 0 3 0 2 1 0 0 0 0 0 0 0 0 2 2 2 4 5 0 0 0 2 1 0 1 0 1 1 0 0 0 0 1 2 0 2 0 0 2 36
(U.S.) IN INDIANA 0 1 1 1 1 1 3 3 3 0 0 1 0 1 0 1 0 1 0 2 1 1 1 0 0 1 0 0 2 0 1 0 0 2 0 0 1 0 1 0 1 1 33
(U.S.) NJ NEW JERSEY 1 0 1 1 2 1 1 0 0 1 0 0 2 0 0 1 0 1 1 0 1 5 1 1 0 0 3 1 0 0 1 0 0 2 1 0 0 1 1 1 0 0 32
(U.S.) ND NORTH DAKOTA 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 0 0 3 1 1 0 1 0 0 1 3 4 4 3 2 2 30
(U.S.) MO MISSOURI 0 1 0 1 2 0 0 0 0 0 1 0 1 1 2 0 1 3 0 1 0 0 0 2 0 0 2 0 0 2 0 1 0 0 0 0 0 2 3 1 0 1 28
(U.S.) CT CONNECTICUT 1 1 1 0 0 0 2 1 1 1 0 0 0 1 1 1 1 0 2 0 0 0 0 2 0 0 0 0 0 2 0 0 0 0 0 2 2 3 0 1 0 0 26
(U.S.) AL ALABAMA 1 1 1 0 2 0 0 1 1 0 0 0 0 0 0 0 1 1 1 0 1 0 1 1 2 0 2 0 0 0 2 1 1 2 1 0 1 0 0 0 0 0 25
(U.S.) UT UTAH 0 1 1 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 2 0 0 0 0 1 0 3 3 2 4 0 0 0 1 1 1 0 0 0 0 0 1 25
(U.S.) CO COLORADO 0 0 0 0 1 0 0 1 2 1 1 1 0 0 0 0 0 1 0 0 0 0 1 0 0 1 1 4 0 1 0 0 1 0 0 2 0 0 1 4 0 0 24
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 0 0 0 1 0 0 1 1 2 0 0 0 1 3 0 0 1 0 1 0 0 2 3 0 1 3 0 0 0 1 0 0 0 0 2 1 0 24
(U.S.) TN TENNESSEE 0 1 2 1 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 1 2 0 0 0 0 1 1 1 3 0 2 22
(U.S.) AZ ARIZONA 1 1 0 0 2 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 1 2 1 1 0 0 2 0 0 0 2 21
(U.S.) NE NEBRASKA 4 0 1 0 0 1 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 2 0 0 0 1 0 0 0 1 20
(U.S.) ME MAINE 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 0 0 1 1 0 0 2 0 0 1 1 0 1 1 0 0 1 0 1 0 0 0 0 1 0 1 0 16
(U.S.) MT MONTANA 0 0 0 1 0 0 0 1 1 0 0 0 1 0 1 1 1 1 0 0 0 0 2 0 1 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 1 16
(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 0 0 0 0 0 0 0 0 2 0 0 1 2 1 0 1 2 1 2 2 2 16
(U.S.) SD SOUTH DAKOTA 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 2 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 1 1 3 0 2 1 1 0 16
(U.S.) MS MISSISSIPPI 1 2 0 0 1 1 1 1 1 2 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 15
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 1 2 0 0 0 0 0 2 1 15
(U.S.) GA GEORGIA 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 1 0 0 0 0 0 1 1 0 0 0 0 0 2 2 4 14
(U.S.) ID IDAHO 1 0 1 0 1 0 0 0 0 0 2 1 0 0 1 0 0 0 0 1 3 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 14
(U.S.) AK ALASKA 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 1 2 0 0 1 3 0 0 0 0 13
(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 1 0 1 0 0 3 1 0 0 2 0 1 0 0 1 0 0 1 11
(U.S.) WY WYOMING 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 1 0 10
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 2 0 0 0 9
(U.S.) HI HAWAII 0 0 0 0 0 0 0 0 0 0 1 0 1 3 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 6
(U.S.) KY KENTUCKY 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 1 0 0 1 0 1 1 0 0 6
(U.S.) RI RHODE ISLAND 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 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 5
(U.S.) AR ARKANSAS 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 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 4
(U.S.) NV NEVADA 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 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 4
(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 1 0 0 0 1 0 1 0 0 0 0 0 3
(U.S.) PR PUERTO RICO 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 0 0 2
(U.S.) DC DISTRICT OF COLUMBIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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.) DE DELAWARE 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 -- 75 54 67 63 110 57 153 61 72 58 74 58 61 87 73 61 40 56 56 64 46 39 29 35 35 41 62 58 59 64 58 29 60 73 50 55 79 91 79 92 70 71 2675
(Foreign) JPX JAPAN 0 1 0 0 0 0 0 0 2 1 1 0 5 2 2 3 3 3 5 4 4 3 4 1 3 1 7 3 5 6 2 2 8 7 6 15 6 10 11 16 17 20 189
(Foreign) CAX CANADA 2 4 2 3 5 4 1 0 4 1 8 3 4 4 2 6 3 4 5 6 1 4 3 5 4 4 2 2 7 6 9 6 5 7 8 8 3 3 8 8 6 6 186
(Foreign) DEX GERMANY 1 1 1 2 3 0 5 0 2 3 3 6 2 7 4 0 3 3 7 9 4 1 4 3 9 8 7 1 3 4 5 3 2 1 4 4 6 6 1 4 0 2 144
(Foreign) NLX NETHERLANDS 0 0 1 0 1 2 0 2 6 3 5 6 3 2 5 8 6 1 9 11 6 4 0 3 1 1 1 2 2 0 0 1 0 0 0 0 2 1 0 2 0 3 100
(Foreign) FRX FRANCE 0 0 1 1 1 1 4 2 3 3 0 1 10 4 2 2 1 5 6 4 2 2 2 0 2 3 3 0 2 0 0 1 0 1 2 1 1 0 0 0 1 1 75
(Foreign) GBX UNITED KINGDOM 1 1 1 1 0 1 0 4 1 2 6 1 2 2 0 1 1 2 0 2 1 2 1 0 2 1 1 1 0 3 1 0 2 1 2 1 0 3 1 4 3 0 59
(Foreign) SEX SWEDEN 0 0 0 0 0 2 1 0 1 1 0 0 1 1 2 1 2 3 2 3 2 3 0 2 0 1 0 1 2 2 2 3 2 3 0 1 2 0 1 2 0 1 50
(Foreign) ATX AUSTRIA 0 0 0 0 0 1 3 1 1 1 1 1 2 0 0 0 0 1 3 2 0 0 0 0 1 0 3 0 2 4 2 1 2 3 1 0 3 1 0 1 4 2 47
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 1 1 1 3 0 2 0 0 2 3 3 0 2 1 1 1 2 2 5 2 1 3 0 2 3 45
(Foreign) CHX SWITZERLAND 0 0 0 1 0 0 1 2 0 1 3 1 0 0 1 2 2 1 0 4 2 0 0 0 4 2 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 32
(Foreign) ITX ITALY 0 0 1 0 1 2 0 0 1 1 0 2 0 3 2 1 1 1 1 1 2 1 0 1 1 0 1 0 2 1 0 0 0 0 0 0 1 1 1 1 1 0 32
(Foreign) FIX FINLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 3 2 1 2 0 0 0 0 0 0 0 0 2 1 3 2 1 0 0 0 1 21
(Foreign) SUX U.S.S.R. 0 0 1 0 1 0 0 1 0 1 1 2 1 1 1 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 14
(Foreign) ZAX SOUTH AFRICA 0 1 2 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 2 0 0 2 0 0 13
(Foreign) ESX SPAIN 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 0 1 1 2 2 8
(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 1 0 1 0 1 3 1 0 0 0 1 0 8
(Foreign) NOX NORWAY 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 8
(Foreign) BEX BELGIUM 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 7
(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 1 0 0 1 1 4
(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 2 0 2 0 0 4
(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 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 3
(Foreign) ILX ISRAEL 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 0 0 0 0 0 3
(Foreign) PEX PERU 0 0 0 0 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 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 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 2
(Foreign) CSX CZECHOSLOVAKIA 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 2
(Foreign) RUX RUSSIAN FEDERATION 0 0 0 0 0 0 0 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 2
(Foreign) ARX ARGENTINA 0 0 0 0 0 0 0 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
(Foreign) BSX THE BAHAMAS 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) 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 1 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 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
(Foreign) MCX MONACO 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
(Foreign) YUX YUGOSLAVIA 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 -- 5 8 10 8 14 14 16 13 22 21 31 24 32 27 23 24 23 27 43 47 28 23 19 19 30 23 31 15 28 30 24 20 25 30 28 45 33 31 27 45 38 43 1067
(ALL) ALL All Regions, U.S. and Foreign 80 62 77 71 124 71 169 74 94 79 105 82 93 114 96 85 63 83 99 111 74 62 48 54 65 64 93 73 87 94 82 49 85 103 78 100 112 122 106 137 108 114 3742


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