Skip menu navigation Home > Listing of Viewable PTMB Reports > Table of Contents for This Set of Reports


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 218, High-Voltage Switches with Arc Preventing or Extinguishing 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 )

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 21 45 22 23 21 19 30 38 20 13 36 19 19 23 25 8 16 24 6 10 15 4 2 11 3 4 5 1 0 2 1 4 4 2 3 2 1 6 7 2 4 2 541
(U.S.) CA CALIFORNIA 3 5 10 9 5 7 6 11 10 1 3 5 3 2 0 1 1 2 1 0 1 2 0 1 1 0 0 1 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 95
(U.S.) WI WISCONSIN 2 4 3 4 2 0 1 2 2 5 2 2 0 2 0 2 1 0 1 1 3 3 6 3 1 1 6 0 3 4 1 2 1 0 1 7 4 4 1 0 0 3 3 93
(U.S.) NY NEW YORK 3 1 2 3 1 0 2 2 4 3 0 3 3 2 4 5 0 5 2 3 5 3 4 1 2 1 1 1 1 1 1 0 0 0 2 4 1 1 0 3 0 0 0 80
(U.S.) IL ILLINOIS 2 1 5 5 1 0 1 3 7 3 4 1 2 0 1 2 0 0 3 1 3 0 3 1 2 0 0 3 3 3 0 1 1 1 2 2 0 0 1 2 0 1 1 72
(U.S.) CT CONNECTICUT 0 1 2 2 0 0 3 3 2 2 0 0 1 0 1 2 1 0 1 0 0 3 1 1 6 6 0 5 1 0 0 2 1 0 0 4 3 2 10 1 1 1 0 69
(U.S.) MA MASSACHUSETTS 2 2 2 6 4 4 4 7 10 6 3 6 2 4 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 68
(U.S.) NJ NEW JERSEY 2 2 3 2 1 0 3 0 1 0 6 5 0 2 4 1 0 2 0 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 38
(U.S.) OH OHIO 2 2 1 2 1 3 0 0 2 3 0 1 0 1 1 1 0 0 0 1 0 0 1 1 1 0 0 0 1 1 1 0 1 0 0 0 2 0 3 0 1 0 0 34
(U.S.) MO MISSOURI 0 1 1 2 0 0 0 1 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 2 1 1 0 0 1 0 1 0 0 0 3 0 0 3 1 24
(U.S.) GA GEORGIA 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 2 3 1 0 0 0 1 1 0 2 1 0 4 0 1 0 0 19
(U.S.) IA IOWA 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 2 1 1 0 2 0 1 0 3 1 0 0 0 0 1 2 0 0 19
(U.S.) IN INDIANA 0 0 2 0 0 1 1 0 2 0 2 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 13
(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 2 0 0 1 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 1 2 1 11
(U.S.) MS MISSISSIPPI 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 3 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 10
(U.S.) VA VIRGINIA 0 0 0 0 0 1 0 0 0 2 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 1 0 0 0 1 7
(U.S.) KY KENTUCKY 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
(U.S.) OR OREGON 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
(U.S.) FL FLORIDA 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
(U.S.) MD MARYLAND 0 1 0 0 0 0 0 0 0 0 0 0 0 1 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 0 5
(U.S.) SC SOUTH CAROLINA 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 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 5
(U.S.) MI MICHIGAN 0 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 0 0 0 0 0 0 0 0 0 0 4
(U.S.) TX TEXAS 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 1 1 0 0 0 0 4
(U.S.) WA WASHINGTON 0 0 0 1 0 0 0 0 1 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 4
(U.S.) PR PUERTO RICO 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 3
(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 0 0 0 1 0 0 0 0 0 0 0 1 0 2
(U.S.) ME MAINE 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 0 0 0 0 2
(U.S.) MN MINNESOTA 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 1 0 2
(U.S.) AL ALABAMA 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.) AZ ARIZONA 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
(U.S.) ID IDAHO 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 1
(U.S.) LA LOUISIANA 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
(U.S.) NM NEW MEXICO 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
(U.S.) OK OKLAHOMA 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
(U.S.) WV WEST 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 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.)   -- Subtotal -- 34 42 78 59 39 41 40 61 84 47 35 61 33 35 39 44 11 29 37 20 26 32 23 13 26 15 18 21 14 13 6 8 12 15 12 24 14 10 30 14 8 17 9 1249
(Foreign) JPX JAPAN 0 1 3 7 1 1 0 2 7 2 8 5 6 6 4 8 4 20 20 12 23 40 26 12 18 16 10 8 9 15 9 6 9 12 11 22 7 9 7 14 21 17 10 448
(Foreign) DEX GERMANY 4 3 2 4 1 2 3 3 12 7 9 20 11 11 8 5 3 7 8 6 10 17 17 16 11 9 5 8 6 4 3 4 1 10 4 13 8 10 11 12 5 10 6 329
(Foreign) FRX FRANCE 0 4 6 5 3 1 1 2 4 8 4 1 2 2 5 2 1 2 3 4 6 4 11 5 15 9 7 7 11 15 12 17 1 5 5 9 13 7 8 12 6 3 1 249
(Foreign) CHX SWITZERLAND 2 4 8 20 7 3 7 2 7 6 8 4 3 4 9 5 1 5 3 7 12 11 5 6 11 2 3 0 3 3 1 1 0 8 2 8 7 5 6 4 1 1 2 217
(Foreign) GBX UNITED KINGDOM 0 3 6 4 5 1 4 5 3 3 1 2 0 0 0 3 0 0 3 3 4 2 2 3 0 5 0 1 1 0 0 0 0 0 0 1 1 0 1 1 0 0 1 69
(Foreign) SEX SWEDEN 6 6 4 5 2 1 2 3 3 3 1 4 0 0 2 1 0 0 1 2 0 0 1 0 0 0 2 0 0 0 0 1 0 0 0 0 0 2 0 0 0 1 1 54
(Foreign) ITX ITALY 0 0 1 0 0 2 0 0 3 4 1 1 0 1 0 0 0 0 0 1 1 0 2 5 2 1 0 0 0 0 1 0 1 0 0 2 0 2 0 1 2 4 0 38
(Foreign) NLX NETHERLANDS 0 1 0 1 0 0 2 0 5 1 2 0 3 0 1 6 0 0 2 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 29
(Foreign) CAX CANADA 0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 1 0 0 0 2 2 1 2 0 0 0 1 0 0 2 0 0 19
(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 5 1 0 1 2 3 1 13
(Foreign) SUX U.S.S.R. 0 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(Foreign) BEX BELGIUM 2 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 3
(Foreign) BRX BRAZIL 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 0 0 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 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 3
(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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2
(Foreign) ROX ROMANIA 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(Foreign) ATX AUSTRIA 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 0 0 1
(Foreign) ESX SPAIN 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 1
(Foreign) NOX NORWAY 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) 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 1 0 1
(Foreign) PKX PAKISTAN 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 -- 14 25 31 47 19 11 19 18 45 37 34 38 25 25 29 30 9 34 43 36 57 74 66 48 61 44 28 24 30 37 28 31 14 37 22 55 41 37 34 46 40 40 24 1487
(ALL) ALL All Regions, U.S. and Foreign 48 67 109 106 58 52 59 79 129 84 69 99 58 60 68 74 20 63 80 56 83 106 89 61 87 59 46 45 44 50 34 39 26 52 34 79 55 47 64 60 48 57 33 2736


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > Listing of Viewable PTMB Reports > Table of Contents for This Set of Reports