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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

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

Count of 1963 - 2008 Utility Patent Grants,
As Distributed 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 477, Interrelated Power Delivery Controls, Including Engine Control

( technology class is determined by the primary classification assigned to a 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 either by year of patent grant or by year of patent application.
(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 2006 2007 2008 Total
(U.S.) MI MICHIGAN 26 12 11 19 19 19 9 8 13 7 17 10 5 3 1 6 2 1 5 5 7 14 14 8 12 10 17 18 22 23 16 14 26 20 15 17 18 32 24 28 21 19 26 27 32 24 702
(U.S.) IN INDIANA 5 7 5 8 4 5 2 1 5 5 9 4 3 1 3 6 0 0 3 1 0 1 0 1 2 0 3 0 5 0 1 3 5 6 2 6 3 6 5 9 8 2 1 3 9 3 161
(U.S.) IL ILLINOIS 2 14 4 6 1 8 3 1 2 2 8 8 5 0 4 6 0 7 0 4 3 3 2 3 6 1 2 3 3 3 1 2 1 5 1 4 3 4 2 5 4 0 3 1 2 4 156
(U.S.) WI WISCONSIN 3 3 6 4 2 0 0 4 1 1 2 1 0 3 2 5 0 3 3 0 1 5 2 5 1 1 2 0 0 2 1 0 1 1 2 1 1 0 0 0 1 0 1 0 0 0 71
(U.S.) CA CALIFORNIA 0 4 5 1 4 2 1 0 3 2 3 3 1 0 1 0 2 0 2 1 0 2 2 1 3 0 1 0 1 1 0 0 0 0 0 1 1 2 1 0 2 2 2 4 1 2 64
(U.S.) OH OHIO 1 3 6 1 0 0 2 1 1 3 2 4 4 0 1 2 2 1 4 2 0 2 0 0 1 0 0 0 4 1 0 0 2 1 0 0 0 3 4 1 1 3 0 0 0 1 64
(U.S.) NY NEW YORK 2 3 3 2 7 0 1 1 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 1 3 1 0 0 0 1 0 1 0 0 0 0 0 0 2 1 1 37
(U.S.) FL FLORIDA 1 0 2 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 1 2 1 1 0 1 0 1 1 2 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 0 22
(U.S.) PA PENNSYLVANIA 0 1 2 1 2 1 0 1 1 1 2 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 2 1 0 0 0 20
(U.S.) IA IOWA 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 1 0 1 0 1 0 0 0 0 2 1 0 3 0 0 0 2 1 19
(U.S.) MA MASSACHUSETTS 0 2 1 1 1 1 1 0 1 0 0 1 1 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 18
(U.S.) MD MARYLAND 1 1 0 2 0 1 0 0 0 0 1 0 2 0 1 0 0 0 0 0 0 0 1 1 2 0 0 1 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 18
(U.S.) TX TEXAS 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 1 0 1 1 1 13
(U.S.) CT CONNECTICUT 2 0 1 0 0 0 0 1 0 2 3 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 0 0 0 0 0 0 0 0 12
(U.S.) MN MINNESOTA 0 0 0 0 0 0 0 0 0 0 0 0 1 2 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 2 0 1 2 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 0 0 0 0 0 0 0 0 0 1 1 1 2 1 1 0 0 0 1 0 0 1 9
(U.S.) AZ ARIZONA 2 0 0 0 0 0 0 0 1 1 0 0 0 1 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 7
(U.S.) NJ NEW JERSEY 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2 0 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 1 0 0 7
(U.S.) KS KANSAS 1 0 0 1 1 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 1 0 0 0 0 0 0 0 6
(U.S.) TN TENNESSEE 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 6
(U.S.) OR OREGON 0 0 0 0 0 1 0 0 0 1 0 1 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 0 5
(U.S.) WA WASHINGTON 0 0 0 0 0 0 0 1 0 1 1 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 0 0 5
(U.S.) CO COLORADO 0 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 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 4
(U.S.) GA GEORGIA 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 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4
(U.S.) NE NEBRASKA 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 1 0 1 0 0 0 0 0 0 0 0 0 4
(U.S.) NM NEW MEXICO 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 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) DE DELAWARE 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 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3
(U.S.) OK OKLAHOMA 0 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 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3
(U.S.) VA VIRGINIA 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 0 1 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) AR ARKANSAS 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 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 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 2
(U.S.) LA LOUISIANA 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) MO MISSOURI 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 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 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 1 0 0 0 0 0 2
(U.S.) SC SOUTH CAROLINA 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 0 0 0 0 0 0 0 0 0 0 2
(U.S.) HI HAWAII 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 0 0 0 1
(U.S.) ME MAINE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(U.S.) MT MONTANA 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 0 0 0 0 1
(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 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) RI RHODE ISLAND 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 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 0 0 0 0 0 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.) WV WEST VIRGINIA 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 0 0 0 1
(U.S.) WY WYOMING 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 0 0 0 0 1
(U.S.)   -- Subtotal -- 47 51 47 49 43 39 22 23 38 26 51 35 23 12 14 31 6 14 24 17 17 31 24 25 28 18 29 28 40 34 23 21 40 38 25 32 31 53 42 43 44 29 38 41 50 41 1477
 
(Foreign) JPX JAPAN 0 0 1 0 2 3 4 8 24 31 35 10 19 10 24 20 22 17 26 27 22 48 53 83 116 110 113 81 148 132 66 54 68 69 112 128 117 103 68 82 102 87 87 66 87 72 2557
(Foreign) DEX GERMANY 7 4 7 3 3 4 7 6 6 2 9 13 4 6 7 6 0 10 13 12 11 12 14 10 9 7 11 13 11 9 4 6 18 20 14 20 27 35 25 33 42 28 34 35 20 37 634
(Foreign) KRX KOREA, SOUTH 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 6 16 15 22 3 5 11 11 7 2 5 5 6 116
(Foreign) GBX UNITED KINGDOM 0 2 4 1 3 1 4 3 3 2 5 1 1 1 2 2 1 5 2 1 5 5 4 2 4 0 2 1 3 0 1 0 6 3 6 3 3 3 2 2 1 1 1 4 2 2 110
(Foreign) FRX FRANCE 1 2 2 3 8 7 0 4 1 2 3 4 2 1 4 3 1 2 4 1 1 1 1 3 4 0 0 1 1 0 0 0 3 0 1 0 0 3 0 2 1 0 0 0 2 1 80
(Foreign) SEX SWEDEN 1 0 1 0 2 0 0 0 0 0 0 0 3 0 2 1 0 1 0 2 1 0 0 1 1 0 0 0 0 0 1 0 0 1 1 0 1 0 0 2 3 1 1 2 13 7 49
(Foreign) CAX CANADA 1 1 2 0 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 1 0 3 2 1 1 2 0 0 2 1 1 1 0 0 0 0 1 0 1 0 1 0 0 0 1 0 31
(Foreign) NLX NETHERLANDS 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 1 1 1 1 1 2 1 1 0 0 1 1 0 0 0 1 21
(Foreign) ITX ITALY 0 0 1 1 0 1 0 1 0 0 0 1 0 1 0 0 1 0 2 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 0 0 1 1 3 2 0 0 0 0 20
(Foreign) TWX TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 1 0 0 0 0 1 4 1 1 0 0 0 0 2 1 1 1 1 2 19
(Foreign) ATX AUSTRIA 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 1 0 0 0 1 0 0 2 0 0 0 1 0 2 0 1 0 10
(Foreign) CHX SWITZERLAND 1 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 0 10
(Foreign) BEX BELGIUM 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 2 0 2 1 0 0 0 1 2 0 0 0 9
(Foreign) ESX SPAIN 0 0 1 0 2 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 0 0 1 0 0 0 0 1 0 0 0 0 0 7
(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 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 2 0 1 6
(Foreign) HUX HUNGARY 0 0 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 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
(Foreign) CSX CZECHOSLOVAKIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 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 4
(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 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 4
(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 0 0 0 0 2 0 0 0 0 0 1 0 3
(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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
(Foreign) ZAX SOUTH AFRICA 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 0 0 0 0 0 0 0 0 0 2
(Foreign) ARX ARGENTINA 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 0 0 0 0 0 0 1
(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 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
(Foreign) ILX ISRAEL 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 0 0 0 0 1
(Foreign) INX INDIA 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 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 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
(Foreign) SKX SLOVAKIA 0 0 0 0 0 0 0 0 0 0 0 0 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) SUX U.S.S.R. 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 0 0 0 0 0 1
(Foreign)   -- Subtotal -- 13 9 20 8 21 19 17 24 37 40 52 29 30 19 39 33 25 38 49 47 42 70 79 101 137 120 130 100 169 143 74 62 98 106 156 171 179 149 104 133 171 133 131 116 134 129 3706
 
(ALL) ALL All Regions, U.S. and Foreign 60 60 67 57 64 58 39 47 75 66 103 64 53 31 53 64 31 52 73 64 59 101 103 126 165 138 159 128 209 177 97 83 138 144 181 203 210 202 146 176 215 162 169 157 184 170 5183



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