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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 420, Alloys or Metallic Compositions

( 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.) PA PENNSYLVANIA 18 28 25 17 8 16 7 10 21 22 17 15 17 13 15 15 10 7 8 6 11 3 6 13 7 10 15 7 9 11 1 8 3 3 3 3 3 2 3 6 4 3 1 430
(U.S.) NY NEW YORK 7 7 8 10 14 13 9 10 12 17 11 13 7 2 5 10 3 6 0 6 11 9 4 4 2 6 15 11 19 17 8 5 6 1 0 2 2 2 1 2 1 0 1 299
(U.S.) OH OHIO 12 14 22 19 13 15 9 8 22 13 7 8 8 5 4 3 1 1 1 3 5 3 4 0 1 4 4 3 4 4 1 2 5 1 3 0 2 2 1 0 1 1 0 239
(U.S.) NJ NEW JERSEY 8 10 7 9 9 10 1 12 14 7 9 9 4 3 7 6 9 5 2 4 4 5 3 6 1 1 2 5 3 2 1 0 3 3 1 1 1 3 1 1 0 0 0 192
(U.S.) MI MICHIGAN 5 7 13 8 3 9 6 6 3 5 4 5 3 6 3 3 1 2 3 2 5 2 2 3 2 1 2 3 7 5 5 3 3 0 0 2 5 1 4 5 3 2 1 163
(U.S.) CT CONNECTICUT 1 1 4 4 12 6 1 1 3 2 7 6 5 5 8 6 7 8 5 1 6 8 9 8 1 1 3 3 2 3 1 4 1 2 0 0 0 1 1 0 2 2 2 153
(U.S.) CA CALIFORNIA 5 9 9 4 6 5 7 4 3 3 7 3 5 4 1 4 3 4 2 2 5 4 6 2 4 5 5 2 2 5 1 4 2 1 1 0 2 1 0 1 4 0 0 147
(U.S.) IL ILLINOIS 3 4 11 6 4 3 6 3 10 9 9 6 3 5 6 0 0 1 1 4 1 3 1 1 1 1 1 3 3 0 3 2 3 1 0 0 1 1 0 0 0 0 0 120
(U.S.) MD MARYLAND 2 5 2 2 1 2 0 2 7 7 4 2 5 2 2 3 1 0 1 0 3 0 1 1 1 4 2 6 3 2 1 0 3 1 0 0 1 0 1 0 0 1 0 81
(U.S.) IN INDIANA 0 2 4 2 4 3 1 1 2 2 1 1 0 1 4 4 2 4 4 1 4 5 1 0 4 2 3 1 3 1 0 1 1 1 1 0 1 1 0 0 0 3 0 76
(U.S.) MA MASSACHUSETTS 1 3 2 2 5 0 2 1 3 7 2 3 0 0 1 2 1 1 1 1 3 0 1 2 1 0 1 0 0 1 3 1 0 0 0 0 1 0 0 0 1 1 0 54
(U.S.) MO MISSOURI 0 1 0 1 1 0 1 0 0 0 3 1 2 2 0 2 2 0 1 1 0 0 0 0 0 1 8 2 4 1 5 5 1 1 1 0 0 0 1 2 0 0 0 50
(U.S.) TX TEXAS 2 3 4 4 2 3 4 0 1 3 1 0 0 0 2 1 2 1 1 1 1 5 0 1 0 0 0 0 1 1 3 1 0 0 0 1 1 0 0 0 0 0 0 50
(U.S.) TN TENNESSEE 1 1 0 0 1 1 1 1 1 1 2 3 1 2 0 0 1 0 1 0 3 0 1 1 2 2 4 2 2 2 1 1 0 2 2 0 1 0 2 2 0 0 0 48
(U.S.) WI WISCONSIN 2 4 0 2 1 1 0 1 1 2 3 0 1 0 1 1 2 0 0 1 0 0 1 0 0 1 1 0 0 0 1 1 3 0 1 1 0 0 0 1 0 0 3 37
(U.S.) WV WEST VIRGINIA 0 2 0 0 2 0 1 1 1 1 1 0 1 0 2 2 2 1 0 0 1 0 0 1 0 5 4 0 0 0 0 1 1 0 0 0 2 1 1 1 0 0 0 35
(U.S.) WA WASHINGTON 1 1 0 0 0 1 1 0 1 0 1 1 0 0 1 2 0 0 1 0 1 1 4 2 3 3 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 28
(U.S.) OR OREGON 1 0 1 3 1 1 0 0 0 2 4 1 1 0 0 0 0 1 1 0 0 0 2 0 0 0 0 0 1 2 0 1 0 0 1 1 0 0 0 1 0 0 1 27
(U.S.) DE DELAWARE 1 7 1 2 0 2 1 0 0 1 0 0 2 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24
(U.S.) VA VIRGINIA 0 0 0 0 1 0 1 1 0 0 1 1 0 0 0 1 0 0 3 0 0 0 1 0 0 0 3 0 0 1 0 0 0 1 1 0 0 0 2 1 2 2 1 24
(U.S.) CO COLORADO 1 0 0 0 0 0 0 1 1 0 4 0 0 2 1 1 0 0 1 0 1 0 1 2 0 0 0 0 0 1 0 0 1 0 2 1 0 0 1 0 0 0 0 22
(U.S.) NV NEVADA 0 1 0 0 0 2 2 1 2 0 1 1 2 0 0 0 2 0 0 0 0 0 0 0 0 1 0 2 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 20
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 0 0 0 1 0 0 0 3 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 0 1 4 0 0 0 1 1 0 0 0 1 0 17
(U.S.) AZ ARIZONA 0 0 0 1 0 1 0 1 1 0 1 0 1 1 0 0 2 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 13
(U.S.) GA GEORGIA 0 0 0 0 1 0 0 0 1 0 0 7 2 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 0 13
(U.S.) IA IOWA 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 1 2 2 0 0 0 0 0 0 0 13
(U.S.) MN MINNESOTA 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 1 2 0 1 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 12
(U.S.) AL ALABAMA 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 11
(U.S.) FL FLORIDA 0 0 0 0 0 0 0 0 0 1 0 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 8
(U.S.) NM NEW MEXICO 1 2 0 1 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 1 0 0 0 0 0 0 0 0 0 0 8
(U.S.) RI RHODE ISLAND 0 0 0 1 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 1 1 1 0 0 0 0 1 0 0 0 0 7
(U.S.) LA LOUISIANA 0 0 0 0 0 0 0 0 0 1 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 0 0 0 0 1 0 0 0 5
(U.S.) UT UTAH 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 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) DC DISTRICT OF COLUMBIA 0 1 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 0 3
(U.S.) KY KENTUCKY 0 0 0 0 1 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 0 0 0 0 0 3
(U.S.) OK OKLAHOMA 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(U.S.) NH NEW HAMPSHIRE 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 2
(U.S.) AR ARKANSAS 0 0 0 0 0 0 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
(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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) ME MAINE 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.) 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 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
(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 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) SC SOUTH 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) VT VERMONT 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 0 1
(U.S.)   -- Subtotal -- 72 113 114 100 94 100 61 66 113 106 101 89 78 60 63 69 53 44 40 33 69 52 51 51 32 50 75 51 71 63 37 47 42 20 20 14 24 17 20 25 19 18 11 2448
(Foreign) JPX JAPAN 1 5 5 6 8 12 13 13 25 26 30 36 25 21 21 19 18 29 22 20 41 35 25 34 32 30 58 36 49 41 33 33 24 30 21 32 32 24 23 22 23 26 14 1073
(Foreign) DEX GERMANY 2 6 6 9 5 6 11 2 8 11 9 10 4 8 8 4 4 8 3 3 7 6 6 10 12 12 8 7 5 5 6 5 3 5 5 5 4 4 5 4 0 3 1 255
(Foreign) GBX UNITED KINGDOM 8 8 13 9 10 13 7 9 17 11 7 9 9 4 12 2 6 5 3 2 4 2 5 6 4 1 1 5 3 3 1 4 0 1 0 0 1 3 3 1 2 1 0 215
(Foreign) FRX FRANCE 0 1 0 2 9 3 2 4 5 3 7 2 1 1 4 1 3 5 5 1 2 4 2 1 4 3 2 2 4 5 4 3 1 4 4 5 5 4 7 6 2 0 1 134
(Foreign) SEX SWEDEN 0 0 0 1 2 3 0 4 0 3 5 3 4 0 1 3 0 7 1 1 0 1 1 0 0 2 0 0 1 4 2 1 1 2 1 2 1 2 3 4 0 3 3 72
(Foreign) SUX U.S.S.R. 0 0 0 0 1 0 1 1 0 2 3 3 4 6 5 4 6 3 3 2 2 1 0 0 0 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 52
(Foreign) CHX SWITZERLAND 1 0 0 0 0 2 3 1 5 1 2 1 2 0 1 1 1 2 2 0 0 0 0 1 1 0 1 2 0 2 1 2 2 0 0 3 2 0 0 1 1 4 2 50
(Foreign) CAX CANADA 0 0 3 1 1 1 0 0 2 1 1 3 2 0 1 3 0 2 1 1 2 0 0 1 0 3 1 4 3 2 0 1 1 2 0 0 0 0 0 1 1 3 0 48
(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 1 0 0 1 1 3 1 1 4 0 3 1 1 3 4 5 3 2 1 3 1 1 40
(Foreign) NLX NETHERLANDS 1 1 0 0 2 0 0 3 0 1 1 1 0 1 1 0 0 0 1 0 2 0 1 1 0 2 0 1 0 1 1 0 0 1 0 0 0 0 0 0 2 2 1 28
(Foreign) ATX AUSTRIA 0 0 1 0 1 0 1 1 1 0 2 0 0 1 2 0 0 0 1 1 0 1 3 0 0 0 0 0 2 0 0 0 0 0 1 0 1 0 0 0 1 2 1 24
(Foreign) ITX ITALY 0 1 0 0 2 0 0 1 0 1 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 3 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 20
(Foreign) AUX AUSTRALIA 0 2 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 2 0 14
(Foreign) BEX BELGIUM 0 0 1 0 0 0 0 0 1 1 1 1 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 13
(Foreign) NOX NORWAY 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 11
(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 0 0 0 0 0 1 0 1 0 2 6 1 11
(Foreign) HUX HUNGARY 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 5 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 7
(Foreign) BRX BRAZIL 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
(Foreign) FIX FINLAND 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 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 6
(Foreign) ILX ISRAEL 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 0 0 0 0 0 0 0 0 0 1 0 0 1 1 6
(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 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 5
(Foreign) ESX SPAIN 0 0 0 0 0 0 0 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 0 0 0 0 1 0 0 0 0 0 4
(Foreign) INX INDIA 0 0 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 0 0 0 0 0 1 0 0 0 3
(Foreign) MXX MEXICO 0 0 0 0 0 1 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 0 0 0 3
(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 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 3
(Foreign) BGX BULGARIA 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 0 2
(Foreign) DKX DENMARK 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 1 0 0 0 0 0 0 2
(Foreign) GRX GREECE 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 0 0 0 0 0 0 0 0 2
(Foreign) PLX POLAND 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 0 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 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 1
(Foreign) CLX CHILE 0 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) LIX LIECHTENSTEIN 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 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) PKX PAKISTAN 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 0 1
(Foreign) ROX ROMANIA 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) SGX SINGAPORE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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) YUX YUGOSLAVIA 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 0 1
(Foreign)   -- Subtotal -- 13 24 30 29 42 43 40 40 64 63 70 74 57 44 58 41 41 65 49 34 63 56 45 57 55 58 82 66 72 71 50 54 37 49 35 51 54 41 47 42 40 55 28 2129
(ALL) ALL All Regions, U.S. and Foreign 85 137 144 129 136 143 101 106 177 169 171 163 135 104 121 110 94 109 89 67 132 108 96 108 87 108 157 117 143 134 87 101 79 69 55 65 78 58 67 67 59 73 39 4577


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