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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 2007 - 2011 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 2007 2008 2009 2010 2011 Total
(U.S.) NY NEW YORK 22 18 14 22 15 91
(U.S.) CA CALIFORNIA 27 13 15 18 15 88
(U.S.) MI MICHIGAN 8 9 3 7 9 36
(U.S.) CT CONNECTICUT 7 5 6 6 5 29
(U.S.) TX TEXAS 9 4 3 6 7 29
(U.S.) OH OHIO 5 7 3 5 3 23
(U.S.) MD MARYLAND 5 1 3 5 4 18
(U.S.) WI WISCONSIN 7 6 2 1 2 18
(U.S.) FL FLORIDA 3 1 4 5 3 16
(U.S.) IL ILLINOIS 2 3 1 2 8 16
(U.S.) NJ NEW JERSEY 5 3 2 4 2 16
(U.S.) IN INDIANA 4 2 3 4 2 15
(U.S.) CO COLORADO 2 2 3 2 4 13
(U.S.) WA WASHINGTON 3 2 3 4 1 13
(U.S.) MA MASSACHUSETTS 6 3 0 1 2 12
(U.S.) PA PENNSYLVANIA 3 1 1 5 2 12
(U.S.) MN MINNESOTA 2 3 2 0 4 11
(U.S.) VA VIRGINIA 3 2 3 2 1 11
(U.S.) OR OREGON 1 2 3 2 2 10
(U.S.) NH NEW HAMPSHIRE 4 0 1 2 0 7
(U.S.) AZ ARIZONA 1 2 2 0 1 6
(U.S.) MO MISSOURI 0 1 1 1 3 6
(U.S.) TN TENNESSEE 0 2 2 2 0 6
(U.S.) GA GEORGIA 1 1 1 1 1 5
(U.S.) NC NORTH CAROLINA 2 1 0 0 1 4
(U.S.) NM NEW MEXICO 1 0 0 2 0 3
(U.S.) OK OKLAHOMA 2 0 1 0 0 3
(U.S.) SC SOUTH CAROLINA 1 0 0 0 2 3
(U.S.) AL ALABAMA 2 0 0 0 0 2
(U.S.) ID IDAHO 0 0 0 0 2 2
(U.S.) ME MAINE 1 0 0 1 0 2
(U.S.) MS MISSISSIPPI 0 1 0 1 0 2
(U.S.) NV NEVADA 0 0 0 1 1 2
(U.S.) RI RHODE ISLAND 2 0 0 0 0 2
(U.S.) UT UTAH 0 0 0 0 2 2
(U.S.) IA IOWA 0 1 0 0 0 1
(U.S.) VT VERMONT 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 141 96 82 112 105 536
(Foreign) JPX JAPAN 82 52 60 61 66 321
(Foreign) TWX TAIWAN 35 29 27 39 32 162
(Foreign) DEX GERMANY 26 20 23 29 26 124
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 9 15 24 24 22 94
(Foreign) KRX KOREA, SOUTH 16 12 12 5 14 59
(Foreign) CAX CANADA 14 7 6 10 3 40
(Foreign) FRX FRANCE 10 3 3 7 3 26
(Foreign) SEX SWEDEN 7 7 4 6 1 25
(Foreign) ITX ITALY 2 2 1 6 2 13
(Foreign) NLX NETHERLANDS 2 1 1 2 3 9
(Foreign) GBX UNITED KINGDOM 5 1 0 0 1 7
(Foreign) CHX SWITZERLAND 2 0 2 1 1 6
(Foreign) INX INDIA 1 1 2 0 2 6
(Foreign) ATX AUSTRIA 0 1 1 1 1 4
(Foreign) DKX DENMARK 1 1 0 0 2 4
(Foreign) FIX FINLAND 1 2 0 0 0 3
(Foreign) AUX AUSTRALIA 1 0 0 0 1 2
(Foreign) HKX CHINA, HONG KONG S.A.R. 0 1 0 1 0 2
(Foreign) NZX NEW ZEALAND 0 0 2 0 0 2
(Foreign) BEX BELGIUM 0 0 0 0 1 1
(Foreign) BGX BULGARIA 1 0 0 0 0 1
(Foreign) ESX SPAIN 0 0 0 0 1 1
(Foreign) HUX HUNGARY 0 0 0 0 1 1
(Foreign) ILX ISRAEL 1 0 0 0 0 1
(Foreign) KWX KUWAIT 0 0 0 1 0 1
(Foreign) LUX LUXEMBOURG 0 0 1 0 0 1
(Foreign) MXX MEXICO 0 0 0 0 1 1
(Foreign) NOX NORWAY 1 0 0 0 0 1
(Foreign) PLX POLAND 0 1 0 0 0 1
(Foreign) SAX SAUDI ARABIA 0 0 0 0 1 1
(Foreign) SGX SINGAPORE 0 0 0 1 0 1
(Foreign) ZAX SOUTH AFRICA 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 218 156 169 194 185 922
(ALL) ALL All Regions, U.S. and Foreign 359 252 251 306 290 1458


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


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