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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 2001 - 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 392, Electric Resistance Heating 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 )

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 2001 2002 2003 2004 2005 Total
(U.S.) CA CALIFORNIA 15 8 9 11 9 52
(U.S.) OH OHIO 3 7 1 6 3 20
(U.S.) AZ ARIZONA 0 3 0 5 9 17
(U.S.) MA MASSACHUSETTS 7 6 1 2 1 17
(U.S.) TX TEXAS 5 3 3 1 1 13
(U.S.) FL FLORIDA 2 5 1 2 2 12
(U.S.) MI MICHIGAN 0 1 1 1 9 12
(U.S.) MN MINNESOTA 2 2 4 2 2 12
(U.S.) IL ILLINOIS 3 4 0 2 2 11
(U.S.) WI WISCONSIN 3 2 3 0 3 11
(U.S.) CT CONNECTICUT 1 1 2 1 3 8
(U.S.) AL ALABAMA 2 0 0 1 3 6
(U.S.) CO COLORADO 1 0 2 2 1 6
(U.S.) IN INDIANA 0 1 0 3 2 6
(U.S.) MO MISSOURI 3 0 0 2 1 6
(U.S.) NY NEW YORK 1 2 0 1 2 6
(U.S.) OR OREGON 1 0 1 0 4 6
(U.S.) PA PENNSYLVANIA 2 1 0 1 2 6
(U.S.) TN TENNESSEE 4 0 1 1 0 6
(U.S.) UT UTAH 2 0 4 0 0 6
(U.S.) WA WASHINGTON 0 1 0 4 1 6
(U.S.) VA VIRGINIA 2 1 1 1 0 5
(U.S.) ID IDAHO 1 0 0 1 1 3
(U.S.) MD MARYLAND 1 1 0 0 1 3
(U.S.) NC NORTH CAROLINA 1 1 1 0 0 3
(U.S.) NJ NEW JERSEY 0 2 0 1 0 3
(U.S.) LA LOUISIANA 2 0 0 0 0 2
(U.S.) RI RHODE ISLAND 1 0 1 0 0 2
(U.S.) SD SOUTH DAKOTA 1 0 0 0 1 2
(U.S.) KS KANSAS 0 0 1 0 0 1
(U.S.) MS MISSISSIPPI 0 0 0 0 1 1
(U.S.) NM NEW MEXICO 0 0 0 1 0 1
(U.S.)   -- Subtotal -- 66 52 37 52 64 271
(Foreign) JPX JAPAN 13 11 8 7 19 58
(Foreign) TWX TAIWAN 8 10 9 7 11 45
(Foreign) DEX GERMANY 7 7 5 5 2 26
(Foreign) ITX ITALY 6 3 2 1 5 17
(Foreign) CAX CANADA 4 3 4 1 4 16
(Foreign) KRX SOUTH KOREA 5 4 3 3 1 16
(Foreign) GBX UNITED KINGDOM 1 2 3 1 2 9
(Foreign) FRX FRANCE 0 5 1 0 1 7
(Foreign) ILX ISRAEL 0 3 1 2 1 7
(Foreign) ESX SPAIN 2 2 1 0 1 6
(Foreign) HKX CHINA,HONG KONG S.A.R. 5 0 0 1 0 6
(Foreign) SEX SWEDEN 4 0 2 0 0 6
(Foreign) AUX AUSTRALIA 1 0 0 1 2 4
(Foreign) CHX SWITZERLAND 2 1 0 0 0 3
(Foreign) CNX CHINA P.REP. 0 0 1 1 1 3
(Foreign) IEX IRELAND 1 1 0 1 0 3
(Foreign) NZX NEW ZEALAND 1 0 0 2 0 3
(Foreign) PTX PORTUGAL 0 2 0 0 1 3
(Foreign) BEX BELGIUM 0 0 1 0 1 2
(Foreign) NLX NETHERLANDS 1 0 1 0 0 2
(Foreign) NOX NORWAY 1 0 1 0 0 2
(Foreign) RUX RUSSIAN FEDERATION 0 1 0 1 0 2
(Foreign) SGX SINGAPORE 0 0 0 0 2 2
(Foreign) ATX AUSTRIA 1 0 0 0 0 1
(Foreign) BRX BRAZIL 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 63 55 43 35 54 250
(ALL) ALL All Regions, U.S. and Foreign 129 107 80 87 118 521


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

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