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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 322, Electricity: Single Generator Systems

( 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 1 3 4 2 3 3 1 2 5 7 0 1 3 2 6 0 1 0 3 5 7 5 5 6 6 3 2 7 13 2 3 5 2 10 4 6 3 3 4 1 0 0 149
(U.S.) CA CALIFORNIA 2 2 5 6 0 2 5 0 0 4 2 3 3 0 3 4 1 1 2 3 2 3 2 2 3 0 1 1 1 0 3 1 1 0 1 1 1 6 3 1 1 3 85
(U.S.) IN INDIANA 2 3 4 3 6 5 4 5 4 1 2 1 0 2 2 0 0 0 1 4 0 1 2 1 2 0 1 0 0 0 1 0 0 0 1 1 0 0 2 3 2 5 71
(U.S.) MI MICHIGAN 6 3 2 5 4 1 0 1 1 0 3 1 0 0 1 0 3 2 1 0 2 4 1 1 2 0 0 0 2 3 2 1 0 3 3 1 1 1 1 1 5 2 70
(U.S.) OH OHIO 6 2 8 4 6 5 1 5 3 2 2 0 0 2 0 3 1 1 0 1 3 1 2 0 1 0 0 3 2 1 0 1 0 1 1 1 0 0 1 0 0 0 70
(U.S.) PA PENNSYLVANIA 4 2 4 6 7 2 1 0 3 4 1 4 6 1 4 1 1 1 1 3 1 1 0 0 0 0 0 0 0 0 2 1 0 3 3 1 2 0 0 0 0 0 70
(U.S.) NY NEW YORK 2 1 1 4 2 4 0 0 5 2 2 0 0 2 4 1 0 2 3 3 1 3 0 0 2 2 0 0 0 0 2 2 2 1 0 3 0 0 1 1 3 1 62
(U.S.) NJ NEW JERSEY 5 1 3 3 3 3 1 0 2 1 0 1 2 0 0 0 0 1 0 0 1 2 1 0 0 1 0 0 0 1 0 1 2 1 0 0 1 0 0 0 1 0 38
(U.S.) WI WISCONSIN 2 0 1 0 0 1 1 0 0 1 2 0 0 0 0 1 0 0 0 1 3 2 1 0 0 1 0 2 0 0 0 2 0 3 1 1 1 3 2 1 2 2 37
(U.S.) VA VIRGINIA 1 3 0 2 1 5 1 3 2 2 0 1 1 2 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 2 2 0 1 35
(U.S.) MA MASSACHUSETTS 2 0 2 3 1 3 0 1 1 3 1 0 0 1 1 0 0 0 1 0 2 0 0 1 1 1 1 1 1 0 0 0 0 1 0 0 1 0 2 1 0 0 33
(U.S.) TX TEXAS 1 0 0 1 1 1 0 0 1 0 1 3 2 0 0 0 1 1 0 0 0 1 1 1 1 1 1 2 0 0 0 1 0 1 1 1 0 1 1 0 1 0 28
(U.S.) FL FLORIDA 0 0 0 0 1 1 2 1 0 0 1 0 0 0 0 0 2 1 1 0 1 1 1 0 0 1 0 0 0 0 1 1 0 1 2 1 1 2 0 0 1 1 25
(U.S.) MN MINNESOTA 0 0 1 1 1 1 3 1 1 1 1 0 1 0 0 1 0 2 0 0 0 0 1 0 0 0 0 0 1 2 0 0 1 2 2 0 0 0 0 0 0 0 24
(U.S.) MD MARYLAND 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 2 0 0 14
(U.S.) MO MISSOURI 0 1 0 1 0 2 2 0 1 0 0 0 0 1 0 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 14
(U.S.) CO COLORADO 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 0 0 1 0 12
(U.S.) CT CONNECTICUT 0 0 0 1 0 0 4 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 12
(U.S.) AL ALABAMA 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 2 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 10
(U.S.) AZ ARIZONA 0 0 0 1 0 0 0 4 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 10
(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 1 0 0 0 0 0 1 0 0 1 1 0 0 0 3 1 1 0 9
(U.S.) OR OREGON 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 0 8
(U.S.) IA IOWA 1 0 0 0 3 0 0 0 0 0 0 1 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 0 0 0 7
(U.S.) AK ALASKA 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 3 1 0 0 0 0 0 5
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
(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 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4
(U.S.) HI HAWAII 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 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
(U.S.) NE NEBRASKA 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 0 0 1 0 0 0 0 0 3
(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 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 3
(U.S.) UT UTAH 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 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
(U.S.) AR ARKANSAS 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 0 0 0 2
(U.S.) ID IDAHO 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) KS KANSAS 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 2
(U.S.) ME MAINE 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 0 0 2
(U.S.) DC DISTRICT OF COLUMBIA 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
(U.S.) KY KENTUCKY 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 1
(U.S.) LA LOUISIANA 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
(U.S.) MT MONTANA 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 1
(U.S.) NV NEVADA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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.) OK OKLAHOMA 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.) RI RHODE ISLAND 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.) SD SOUTH DAKOTA 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
(U.S.) TN TENNESSEE 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
(U.S.) WA WASHINGTON 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(U.S.)   -- Subtotal -- 38 21 37 46 41 40 27 23 30 31 18 17 20 13 24 15 12 18 17 22 28 29 19 15 24 14 8 19 25 10 18 17 10 30 24 24 17 24 24 14 18 16 937
(Foreign) JPX JAPAN 0 0 1 0 0 0 1 1 8 4 9 2 3 10 6 8 3 3 15 12 4 13 7 8 17 12 8 9 15 15 17 6 7 17 22 32 13 13 12 14 15 33 395
(Foreign) DEX GERMANY 2 0 5 2 1 3 7 6 11 4 3 2 4 1 3 6 3 4 2 3 8 2 0 0 1 1 0 0 2 5 3 4 0 5 0 1 2 3 6 5 1 5 126
(Foreign) GBX UNITED KINGDOM 1 1 4 2 2 7 6 10 8 0 3 7 2 3 1 3 0 3 4 0 1 0 0 1 2 3 2 0 1 0 0 1 0 1 3 2 2 1 0 1 1 2 91
(Foreign) FRX FRANCE 1 0 4 1 1 3 3 1 2 1 2 1 0 0 0 0 1 2 1 0 0 1 0 0 1 0 2 1 0 1 2 5 0 1 1 0 1 7 1 3 0 3 54
(Foreign) CHX SWITZERLAND 2 0 0 1 0 2 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 0 0 0 1 0 0 0 0 0 0 2 0 0 1 17
(Foreign) ITX ITALY 1 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 0 0 0 3 1 1 0 0 0 1 0 0 2 0 0 1 17
(Foreign) CAX CANADA 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 1 0 9
(Foreign) SEX SWEDEN 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 7
(Foreign) SUX U.S.S.R. 0 0 0 0 0 1 0 0 0 0 1 1 2 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 0 0 0 7
(Foreign) ATX AUSTRIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 6
(Foreign) AUX AUSTRALIA 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 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(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 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 4
(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 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) MXX 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 1 2 0 0 0 0 0 0 3
(Foreign) NLX NETHERLANDS 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 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) ZAX SOUTH AFRICA 0 0 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 0 0 0 0 0 0 1 0 0 0 3
(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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
(Foreign) FIX FINLAND 0 0 0 0 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 0 0 0 0 2
(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 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2
(Foreign) ARX ARGENTINA 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) CNX CHINA P.REP. 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 0 0 1
(Foreign) COX COLOMBIA 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) CSX CZECHOSLOVAKIA 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) 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 0 0 0 1 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 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign)   -- Subtotal -- 8 2 16 6 5 18 19 20 29 10 18 15 12 15 11 19 7 13 22 18 16 20 8 14 25 18 18 13 19 25 24 19 8 25 29 38 19 25 26 24 19 46 761
(ALL) ALL All Regions, U.S. and Foreign 46 23 53 52 46 58 46 43 59 41 36 32 32 28 35 34 19 31 39 40 44 49 27 29 49 32 26 32 44 35 42 36 18 55 53 62 36 49 50 38 37 62 1698


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