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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

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

Count of 2006 - 2010 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 165, Heat Exchange

( 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 2006 2007 2008 2009 2010 Total
(U.S.) CA CALIFORNIA 54 27 13 15 18 127
(U.S.) NY NEW YORK 20 22 18 14 22 96
(U.S.) MI MICHIGAN 23 8 9 3 7 50
(U.S.) TX TEXAS 22 9 4 3 6 44
(U.S.) PA PENNSYLVANIA 25 3 1 1 5 35
(U.S.) OH OHIO 8 5 7 3 5 28
(U.S.) CT CONNECTICUT 3 7 5 6 6 27
(U.S.) WI WISCONSIN 11 7 6 2 1 27
(U.S.) FL FLORIDA 6 3 1 4 5 19
(U.S.) IN INDIANA 6 4 2 3 4 19
(U.S.) MD MARYLAND 4 5 1 3 5 18
(U.S.) VA VIRGINIA 7 3 2 3 2 17
(U.S.) WA WASHINGTON 4 3 2 3 4 16
(U.S.) MN MINNESOTA 8 2 3 2 0 15
(U.S.) NJ NEW JERSEY 1 5 3 2 4 15
(U.S.) IL ILLINOIS 6 2 3 1 2 14
(U.S.) AZ ARIZONA 8 1 2 2 0 13
(U.S.) MA MASSACHUSETTS 3 6 3 0 1 13
(U.S.) OR OREGON 5 1 2 3 2 13
(U.S.) CO COLORADO 1 2 2 3 2 10
(U.S.) GA GEORGIA 5 1 1 1 1 9
(U.S.) NH NEW HAMPSHIRE 2 4 0 1 2 9
(U.S.) TN TENNESSEE 2 0 2 2 2 8
(U.S.) KY KENTUCKY 4 0 0 0 0 4
(U.S.) NC NORTH CAROLINA 1 2 1 0 0 4
(U.S.) OK OKLAHOMA 1 2 0 1 0 4
(U.S.) RI RHODE ISLAND 2 2 0 0 0 4
(U.S.) IA IOWA 2 0 1 0 0 3
(U.S.) MO MISSOURI 0 0 1 1 1 3
(U.S.) NM NEW MEXICO 0 1 0 0 2 3
(U.S.) AL ALABAMA 0 2 0 0 0 2
(U.S.) ME MAINE 0 1 0 0 1 2
(U.S.) MS MISSISSIPPI 0 0 1 0 1 2
(U.S.) NV NEVADA 1 0 0 0 1 2
(U.S.) DE DELAWARE 1 0 0 0 0 1
(U.S.) LA LOUISIANA 1 0 0 0 0 1
(U.S.) MT MONTANA 1 0 0 0 0 1
(U.S.) SC SOUTH CAROLINA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 248 141 96 82 112 679
(Foreign) JPX JAPAN 102 82 52 60 61 357
(Foreign) TWX TAIWAN 76 35 29 27 39 206
(Foreign) DEX GERMANY 36 26 20 23 29 134
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 9 9 15 24 24 81
(Foreign) KRX KOREA, SOUTH 15 16 12 12 5 60
(Foreign) CAX CANADA 14 14 7 6 10 51
(Foreign) FRX FRANCE 11 10 3 3 7 34
(Foreign) SEX SWEDEN 5 7 7 4 6 29
(Foreign) ITX ITALY 2 2 2 1 6 13
(Foreign) GBX UNITED KINGDOM 5 5 1 0 0 11
(Foreign) CHX SWITZERLAND 3 2 0 2 1 8
(Foreign) NLX NETHERLANDS 2 2 1 1 2 8
(Foreign) FIX FINLAND 4 1 2 0 0 7
(Foreign) INX INDIA 1 1 1 2 0 5
(Foreign) ATX AUSTRIA 1 0 1 1 1 4
(Foreign) SGX SINGAPORE 3 0 0 0 1 4
(Foreign) AUX AUSTRALIA 2 1 0 0 0 3
(Foreign) DKX DENMARK 1 1 1 0 0 3
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 0 1 2
(Foreign) ILX ISRAEL 1 1 0 0 0 2
(Foreign) NZX NEW ZEALAND 0 0 0 2 0 2
(Foreign) BEX BELGIUM 1 0 0 0 0 1
(Foreign) BGX BULGARIA 0 1 0 0 0 1
(Foreign) KWX KUWAIT 0 0 0 0 1 1
(Foreign) LUX LUXEMBOURG 0 0 0 1 0 1
(Foreign) MXX MEXICO 1 0 0 0 0 1
(Foreign) NOX NORWAY 0 1 0 0 0 1
(Foreign) PLX POLAND 0 0 1 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 295 218 156 169 194 1032
(ALL) ALL All Regions, U.S. and Foreign 543 359 252 251 306 1711


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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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