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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 267, Spring Devices

( 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.) MI MICHIGAN 29 41 23 20 13 16 8 17 12 10 11 13 12 3 11 3 1 2 6 4 4 4 10 6 9 15 15 5 4 10 10 15 11 5 3 8 8 10 14 21 11 5 458
(U.S.) OH OHIO 10 11 9 9 10 3 7 8 8 7 8 10 7 2 5 2 3 4 2 3 6 3 8 7 9 11 15 7 10 6 11 3 4 10 6 6 3 9 6 16 9 8 301
(U.S.) CA CALIFORNIA 10 15 14 15 7 9 6 9 11 9 16 11 8 10 5 8 3 1 2 3 0 0 1 4 3 5 8 5 3 6 5 4 5 5 6 2 7 10 8 8 5 4 276
(U.S.) IL ILLINOIS 3 9 8 7 9 11 3 8 7 3 5 4 1 7 6 6 4 5 5 3 0 1 4 2 6 3 4 3 4 1 3 4 3 7 6 6 2 2 7 4 1 1 188
(U.S.) PA PENNSYLVANIA 4 5 4 10 9 4 5 2 4 5 6 3 4 6 2 3 0 2 1 0 1 0 3 5 6 6 6 7 2 1 2 1 3 1 3 4 5 6 8 7 4 5 165
(U.S.) NY NEW YORK 6 8 8 12 5 4 4 7 8 4 6 11 5 3 0 1 1 0 1 3 4 2 1 3 3 1 6 1 1 3 1 0 3 3 1 0 0 2 4 1 4 1 142
(U.S.) IN INDIANA 4 6 2 8 3 2 3 1 3 4 0 4 4 0 0 0 0 2 0 1 0 1 0 2 2 10 5 4 2 8 4 6 4 1 2 3 3 7 4 8 7 3 133
(U.S.) TX TEXAS 0 2 0 2 2 2 0 2 2 1 4 2 2 5 4 1 1 1 0 1 4 2 1 1 0 5 3 1 0 1 2 3 2 2 2 1 0 1 4 1 1 2 73
(U.S.) MA MASSACHUSETTS 2 1 0 2 2 0 2 1 0 2 3 1 3 0 1 4 0 0 0 3 2 4 1 5 3 9 7 0 0 1 1 2 0 1 1 1 2 1 1 0 2 0 71
(U.S.) MO MISSOURI 1 3 1 3 2 1 1 3 4 2 1 2 1 4 0 0 2 1 1 2 0 1 1 1 0 1 0 1 2 3 1 1 0 2 1 1 3 3 1 0 1 0 59
(U.S.) KY KENTUCKY 1 0 0 6 3 0 0 3 0 0 2 0 3 1 0 1 0 0 0 0 1 2 0 0 0 1 3 3 0 2 4 4 2 1 2 1 1 0 1 0 0 0 48
(U.S.) NC NORTH CAROLINA 0 0 1 1 1 0 0 1 0 2 0 1 0 1 0 0 0 0 1 0 1 1 0 1 1 1 0 1 1 1 1 2 4 2 2 2 5 3 3 3 1 3 48
(U.S.) CT CONNECTICUT 2 0 1 1 0 4 0 2 1 3 1 0 2 0 0 1 0 2 0 0 1 0 0 4 2 1 0 2 1 0 1 2 2 0 0 2 3 2 1 1 1 0 46
(U.S.) NJ NEW JERSEY 2 3 0 9 0 1 1 0 3 6 2 4 0 0 0 0 0 0 1 1 0 1 0 0 1 1 0 0 0 1 0 1 1 0 0 0 2 0 0 1 0 0 42
(U.S.) WA WASHINGTON 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 3 1 1 1 5 3 1 1 0 0 4 0 0 0 0 1 2 0 0 1 1 31
(U.S.) WI WISCONSIN 1 3 2 0 1 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 1 2 2 0 2 1 3 1 2 0 0 0 0 0 1 0 1 1 0 3 0 31
(U.S.) MN MINNESOTA 2 0 1 0 0 2 0 0 1 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 2 2 1 4 6 3 30
(U.S.) CO COLORADO 0 0 1 0 0 0 3 2 0 0 0 1 2 1 0 0 0 0 0 0 0 0 1 1 2 1 1 0 0 0 0 0 0 0 1 2 1 2 1 2 2 1 28
(U.S.) AZ ARIZONA 1 0 0 0 3 0 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 1 1 0 1 0 1 0 3 1 1 2 1 1 25
(U.S.) MD MARYLAND 1 0 2 3 0 0 0 1 1 0 3 0 1 0 2 0 1 0 1 0 0 1 0 0 1 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 1 0 23
(U.S.) VA VIRGINIA 0 1 2 0 2 1 1 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3 0 2 2 0 1 20
(U.S.) IA IOWA 0 4 0 0 0 1 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 2 1 0 18
(U.S.) GA GEORGIA 1 0 0 2 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 2 1 0 0 0 0 0 0 0 0 1 0 1 0 1 17
(U.S.) FL FLORIDA 1 0 0 1 0 0 0 1 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 3 0 0 0 1 0 1 0 1 0 0 0 15
(U.S.) OK OKLAHOMA 0 3 1 0 0 2 2 0 1 1 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 15
(U.S.) SC SOUTH CAROLINA 1 0 0 0 1 0 0 0 0 0 0 1 2 0 0 0 0 1 0 0 1 1 0 1 1 1 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 15
(U.S.) OR OREGON 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 1 2 0 1 12
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 2 0 1 11
(U.S.) TN TENNESSEE 1 1 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 0 0 0 0 0 0 1 11
(U.S.) MS MISSISSIPPI 0 0 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 1 2 1 0 0 0 0 1 0 0 0 7
(U.S.) LA LOUISIANA 0 0 0 1 0 0 0 0 1 0 0 0 1 0 2 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 6
(U.S.) NM NEW MEXICO 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 0 0 0 0 6
(U.S.) UT UTAH 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 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
(U.S.) NV NEVADA 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 1 5
(U.S.) KS KANSAS 0 0 0 0 1 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 0 0 0 0 0 0 0 0 1 0 0 0 4
(U.S.) ME MAINE 0 0 0 0 0 0 0 0 0 0 0 1 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 0 1 0 0 4
(U.S.) AR ARKANSAS 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 0 0 0 3
(U.S.) ID IDAHO 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 3
(U.S.) NE NEBRASKA 0 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 0 0 0 3
(U.S.) SD SOUTH DAKOTA 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 1 0 0 0 0 0 0 0 0 3
(U.S.) VT VERMONT 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 0 0 0 1 0 0 0 0 3
(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 1 1 0 0 0 0 0 0 2
(U.S.) AL ALABAMA 0 0 0 0 0 0 0 0 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 0 0 0 0 2
(U.S.) DC DISTRICT OF COLUMBIA 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 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) DE DELAWARE 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) ND NORTH DAKOTA 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 0 0 0 0 2
(U.S.) WV WEST VIRGINIA 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 0 0 0 0 0 0 2
(U.S.) HI HAWAII 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
(U.S.) MT MONTANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(U.S.) RI RHODE ISLAND 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
(U.S.) WY WYOMING 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 -- 86 119 82 113 76 64 48 71 71 64 73 74 66 47 45 33 19 26 22 25 26 32 35 49 51 85 87 51 38 48 55 56 52 46 43 45 57 71 73 90 63 44 2421
(Foreign) DEX GERMANY 9 8 22 12 12 15 8 14 20 4 14 16 19 12 13 9 7 6 13 11 9 14 10 16 46 41 36 26 24 27 27 25 20 33 19 24 24 28 34 38 37 27 829
(Foreign) JPX JAPAN 0 1 1 2 1 3 0 1 6 3 3 13 6 7 5 6 4 6 5 8 12 26 16 25 36 39 47 36 34 38 37 31 21 16 32 29 41 34 48 55 54 23 811
(Foreign) FRX FRANCE 4 13 4 9 11 0 4 4 8 4 8 3 7 6 2 3 4 1 1 3 5 4 3 13 5 16 17 14 10 17 16 7 4 4 4 10 17 8 5 9 7 5 299
(Foreign) GBX UNITED KINGDOM 9 11 7 4 6 5 6 5 10 2 8 11 11 5 4 3 2 0 0 0 0 2 2 2 7 4 11 6 7 1 2 0 2 2 3 1 1 1 2 6 4 0 175
(Foreign) CAX CANADA 1 2 1 0 1 0 0 0 1 3 5 0 1 2 1 0 0 0 0 1 0 1 0 1 3 2 2 1 1 0 3 1 1 2 1 1 2 1 2 3 1 1 49
(Foreign) SEX SWEDEN 3 1 1 1 5 0 0 0 0 0 0 1 2 0 0 0 1 0 0 0 0 0 2 1 1 1 2 0 0 3 1 1 2 2 1 2 1 4 1 3 3 0 46
(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 2 0 2 3 2 1 1 3 4 3 3 2 6 6 1 3 43
(Foreign) ITX ITALY 1 0 0 1 2 1 2 0 2 1 1 0 1 0 0 0 0 1 0 0 1 0 1 2 1 3 3 4 2 1 1 1 1 0 0 0 0 3 3 1 0 0 41
(Foreign) CHX SWITZERLAND 1 0 1 3 0 1 0 2 0 1 1 1 3 2 0 0 0 0 0 0 1 0 1 1 2 1 0 1 0 0 0 0 0 2 0 0 0 1 1 2 1 1 31
(Foreign) ATX AUSTRIA 0 0 1 0 0 0 0 0 2 1 1 0 2 1 0 0 0 1 0 0 0 0 0 0 3 2 0 0 0 0 0 0 0 0 0 2 1 0 1 1 0 1 20
(Foreign) NLX NETHERLANDS 0 0 0 0 0 0 0 1 2 2 1 1 1 2 0 0 0 1 0 0 0 0 0 1 0 2 0 1 0 0 0 0 1 0 0 1 0 0 2 1 0 0 20
(Foreign) BEX BELGIUM 1 0 0 0 0 0 0 0 1 1 0 0 0 5 0 2 1 1 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 1 18
(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 1 0 1 1 0 0 4 1 1 0 3 2 2 2 0 18
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1 9
(Foreign) DKX DENMARK 0 0 0 1 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
(Foreign) ESX SPAIN 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 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 1 0 7
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 0 0 0 0 0 0 1 1 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 1 0 1 1 0 7
(Foreign) HUX HUNGARY 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 1 1 1 6
(Foreign) NZX NEW ZEALAND 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 6
(Foreign) SUX U.S.S.R. 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
(Foreign) NOX NORWAY 0 0 0 0 0 0 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 0 0 0 0 2 0 0 0 5
(Foreign) ARX ARGENTINA 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 1 0 0 0 3
(Foreign) CSX CZECHOSLOVAKIA 0 0 0 0 0 0 0 0 1 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 0 0 0 3
(Foreign) FIX FINLAND 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 0 0 1 3
(Foreign) ILX ISRAEL 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 1 0 0 3
(Foreign) MXX MEXICO 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 2
(Foreign) YUX YUGOSLAVIA 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(Foreign) BGX BULGARIA 0 0 0 0 0 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) BRX BRAZIL 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) NGX NIGERIA 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) PLX POLAND 0 0 0 0 0 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) PTX PORTUGAL 0 0 0 0 0 0 0 0 0 0 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
(Foreign)   -- Subtotal -- 29 36 38 36 40 25 20 28 55 23 43 50 54 44 29 27 21 17 20 24 28 48 36 64 106 114 122 92 84 95 91 68 55 71 67 75 92 87 111 131 113 65 2474
(ALL) ALL All Regions, U.S. and Foreign 115 155 120 149 116 89 68 99 126 87 116 124 120 91 74 60 40 43 42 49 54 80 71 113 157 199 209 143 122 143 146 124 107 117 110 120 149 158 184 221 176 109 4895


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