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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 2005 - 2009 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 2005 2006 2007 2008 2009 Total
(U.S.) CA CALIFORNIA 38 54 27 13 15 147
(U.S.) NY NEW YORK 13 20 22 18 14 87
(U.S.) MI MICHIGAN 10 23 8 9 3 53
(U.S.) TX TEXAS 12 22 9 4 3 50
(U.S.) PA PENNSYLVANIA 14 25 3 1 1 44
(U.S.) WI WISCONSIN 11 11 7 6 2 37
(U.S.) OH OHIO 4 8 5 7 3 27
(U.S.) CT CONNECTICUT 4 3 7 5 6 25
(U.S.) IN INDIANA 8 6 4 2 3 23
(U.S.) VA VIRGINIA 6 7 3 2 3 21
(U.S.) MA MASSACHUSETTS 7 3 6 3 0 19
(U.S.) MD MARYLAND 6 4 5 1 3 19
(U.S.) MN MINNESOTA 4 8 2 3 2 19
(U.S.) AZ ARIZONA 5 8 1 2 2 18
(U.S.) IL ILLINOIS 6 6 2 3 1 18
(U.S.) FL FLORIDA 2 6 3 1 4 16
(U.S.) WA WASHINGTON 4 4 3 2 3 16
(U.S.) CO COLORADO 7 1 2 2 3 15
(U.S.) NJ NEW JERSEY 4 1 5 3 2 15
(U.S.) NH NEW HAMPSHIRE 5 2 4 0 1 12
(U.S.) OR OREGON 0 5 1 2 3 11
(U.S.) GA GEORGIA 1 5 1 1 1 9
(U.S.) TN TENNESSEE 3 2 0 2 2 9
(U.S.) RI RHODE ISLAND 3 2 2 0 0 7
(U.S.) NC NORTH CAROLINA 2 1 2 1 0 6
(U.S.) OK OKLAHOMA 1 1 2 0 1 5
(U.S.) IA IOWA 1 2 0 1 0 4
(U.S.) KY KENTUCKY 0 4 0 0 0 4
(U.S.) MO MISSOURI 2 0 0 1 1 4
(U.S.) AL ALABAMA 1 0 2 0 0 3
(U.S.) LA LOUISIANA 1 1 0 0 0 2
(U.S.) SC SOUTH CAROLINA 1 0 1 0 0 2
(U.S.) DE DELAWARE 0 1 0 0 0 1
(U.S.) ME MAINE 0 0 1 0 0 1
(U.S.) MS MISSISSIPPI 0 0 0 1 0 1
(U.S.) MT MONTANA 0 1 0 0 0 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NM NEW MEXICO 0 0 1 0 0 1
(U.S.) NV NEVADA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 187 248 141 96 82 754
(Foreign) JPX JAPAN 83 102 82 52 60 379
(Foreign) TWX TAIWAN 52 76 35 29 27 219
(Foreign) DEX GERMANY 39 36 26 20 23 144
(Foreign) KRX KOREA, SOUTH 14 15 16 12 12 69
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 2 9 9 15 24 59
(Foreign) CAX CANADA 11 14 14 7 6 52
(Foreign) FRX FRANCE 11 11 10 3 3 38
(Foreign) SEX SWEDEN 5 5 7 7 4 28
(Foreign) GBX UNITED KINGDOM 4 5 5 1 0 15
(Foreign) ITX ITALY 3 2 2 2 1 10
(Foreign) CHX SWITZERLAND 2 3 2 0 2 9
(Foreign) FIX FINLAND 1 4 1 2 0 8
(Foreign) NLX NETHERLANDS 2 2 2 1 1 8
(Foreign) DKX DENMARK 2 1 1 1 0 5
(Foreign) INX INDIA 0 1 1 1 2 5
(Foreign) ILX ISRAEL 2 1 1 0 0 4
(Foreign) ATX AUSTRIA 0 1 0 1 1 3
(Foreign) AUX AUSTRALIA 0 2 1 0 0 3
(Foreign) SGX SINGAPORE 0 3 0 0 0 3
(Foreign) BEX BELGIUM 1 1 0 0 0 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 0 0 1 0 2
(Foreign) NZX NEW ZEALAND 0 0 0 0 2 2
(Foreign) BGX BULGARIA 0 0 1 0 0 1
(Foreign) LUX LUXEMBOURG 0 0 0 0 1 1
(Foreign) MXX MEXICO 0 1 0 0 0 1
(Foreign) NOX NORWAY 0 0 1 0 0 1
(Foreign) PLX POLAND 0 0 0 1 0 1
(Foreign) RUX RUSSIAN FEDERATION 1 0 0 0 0 1
(Foreign) SAX SAUDI ARABIA 1 0 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 237 295 218 156 169 1075
(ALL) ALL All Regions, U.S. and Foreign 424 543 359 252 251 1829


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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