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


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 2004 - 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 392, Electric Resistance Heating Devices

( 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 2004 2005 2006 2007 2008 Total
(U.S.) CA CALIFORNIA 11 9 12 8 4 44
(U.S.) AZ ARIZONA 5 9 5 8 4 31
(U.S.) OH OHIO 6 3 5 8 4 26
(U.S.) MI MICHIGAN 1 9 6 1 1 18
(U.S.) IN INDIANA 3 2 5 2 0 12
(U.S.) MA MASSACHUSETTS 2 1 3 5 0 11
(U.S.) NY NEW YORK 1 2 2 2 3 10
(U.S.) IL ILLINOIS 2 2 2 3 0 9
(U.S.) WI WISCONSIN 0 3 1 5 0 9
(U.S.) MN MINNESOTA 2 2 2 1 1 8
(U.S.) AL ALABAMA 1 3 2 1 0 7
(U.S.) FL FLORIDA 2 2 3 0 0 7
(U.S.) TX TEXAS 1 1 1 3 1 7
(U.S.) WA WASHINGTON 4 1 1 1 0 7
(U.S.) CT CONNECTICUT 1 3 0 1 1 6
(U.S.) TN TENNESSEE 1 0 3 1 1 6
(U.S.) ID IDAHO 1 1 1 1 1 5
(U.S.) NJ NEW JERSEY 1 0 1 1 2 5
(U.S.) MO MISSOURI 2 1 1 0 0 4
(U.S.) OR OREGON 0 4 0 0 0 4
(U.S.) PA PENNSYLVANIA 1 2 0 1 0 4
(U.S.) CO COLORADO 2 1 0 0 0 3
(U.S.) MD MARYLAND 0 1 1 1 0 3
(U.S.) MS MISSISSIPPI 0 1 2 0 0 3
(U.S.) SD SOUTH DAKOTA 0 1 1 0 0 2
(U.S.) UT UTAH 0 0 1 0 1 2
(U.S.) AR ARKANSAS 0 0 0 1 0 1
(U.S.) DE DELAWARE 0 0 1 0 0 1
(U.S.) GA GEORGIA 0 0 1 0 0 1
(U.S.) KY KENTUCKY 0 0 1 0 0 1
(U.S.) NC NORTH CAROLINA 0 0 0 1 0 1
(U.S.) NH NEW HAMPSHIRE 0 0 1 0 0 1
(U.S.) NM NEW MEXICO 1 0 0 0 0 1
(U.S.) NV NEVADA 0 0 1 0 0 1
(U.S.) OK OKLAHOMA 0 0 0 1 0 1
(U.S.) VA VIRGINIA 1 0 0 0 0 1
(U.S.) VT VERMONT 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 52 64 66 58 24 264
(Foreign) JPX JAPAN 7 19 25 9 6 66
(Foreign) TWX TAIWAN 7 11 4 3 7 32
(Foreign) DEX GERMANY 5 2 6 7 3 23
(Foreign) CAX CANADA 1 4 2 4 4 15
(Foreign) GBX UNITED KINGDOM 1 2 3 3 3 12
(Foreign) KRX KOREA, SOUTH 3 1 2 1 4 11
(Foreign) ITX ITALY 1 5 2 1 1 10
(Foreign) ESX SPAIN 0 1 3 1 3 8
(Foreign) FRX FRANCE 0 1 1 3 1 6
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 1 1 2 0 1 5
(Foreign) NZX NEW ZEALAND 2 0 2 1 0 5
(Foreign) AUX AUSTRALIA 1 2 1 0 0 4
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 0 1 2 0 4
(Foreign) ILX ISRAEL 2 1 0 0 0 3
(Foreign) NLX NETHERLANDS 0 0 0 3 0 3
(Foreign) SEX SWEDEN 0 0 2 1 0 3
(Foreign) ATX AUSTRIA 0 0 0 2 0 2
(Foreign) SGX SINGAPORE 0 2 0 0 0 2
(Foreign) ARX ARGENTINA 0 0 1 0 0 1
(Foreign) BEX BELGIUM 0 1 0 0 0 1
(Foreign) BRX BRAZIL 1 0 0 0 0 1
(Foreign) CHX SWITZERLAND 0 0 1 0 0 1
(Foreign) IEX IRELAND 1 0 0 0 0 1
(Foreign) LUX LUXEMBOURG 0 0 1 0 0 1
(Foreign) PTX PORTUGAL 0 1 0 0 0 1
(Foreign) RUX RUSSIAN FEDERATION 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 35 54 59 41 33 222
(ALL) ALL All Regions, U.S. and Foreign 87 118 125 99 57 486


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

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


Top

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