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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 055, Gas Separation

( 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.) MN MINNESOTA 18 22 15 17 38 110
(U.S.) MI MICHIGAN 2 8 9 15 23 57
(U.S.) IL ILLINOIS 8 13 11 9 9 50
(U.S.) OH OHIO 6 8 8 9 14 45
(U.S.) NY NEW YORK 10 4 10 14 4 42
(U.S.) WI WISCONSIN 9 8 6 10 9 42
(U.S.) CA CALIFORNIA 7 12 9 4 5 37
(U.S.) NC NORTH CAROLINA 4 5 7 6 5 27
(U.S.) MA MASSACHUSETTS 3 1 5 3 8 20
(U.S.) TX TEXAS 3 2 3 6 5 19
(U.S.) PA PENNSYLVANIA 2 2 1 5 6 16
(U.S.) TN TENNESSEE 1 3 4 4 3 15
(U.S.) CT CONNECTICUT 2 2 3 2 4 13
(U.S.) KY KENTUCKY 2 2 3 1 5 13
(U.S.) MO MISSOURI 2 1 5 2 3 13
(U.S.) IN INDIANA 4 1 2 2 3 12
(U.S.) NE NEBRASKA 2 1 1 4 3 11
(U.S.) FL FLORIDA 1 3 1 1 4 10
(U.S.) MS MISSISSIPPI 2 0 2 5 0 9
(U.S.) KS KANSAS 1 1 1 1 4 8
(U.S.) MD MARYLAND 0 1 2 4 1 8
(U.S.) WA WASHINGTON 0 1 0 4 3 8
(U.S.) VA VIRGINIA 1 2 1 2 1 7
(U.S.) AL ALABAMA 0 2 1 2 1 6
(U.S.) CO COLORADO 0 3 1 2 0 6
(U.S.) GA GEORGIA 3 1 1 0 1 6
(U.S.) NJ NEW JERSEY 0 1 2 1 2 6
(U.S.) OR OREGON 2 1 0 1 2 6
(U.S.) ID IDAHO 0 2 0 2 1 5
(U.S.) AR ARKANSAS 0 2 0 0 2 4
(U.S.) AZ ARIZONA 2 1 0 1 0 4
(U.S.) NH NEW HAMPSHIRE 1 0 1 1 1 4
(U.S.) DE DELAWARE 0 0 2 1 0 3
(U.S.) IA IOWA 0 0 1 1 1 3
(U.S.) NM NEW MEXICO 0 1 0 1 1 3
(U.S.) SC SOUTH CAROLINA 0 1 0 2 0 3
(U.S.) OK OKLAHOMA 0 1 0 0 1 2
(U.S.) HI HAWAII 0 0 0 1 0 1
(U.S.) NV NEVADA 0 1 0 0 0 1
(U.S.) RI RHODE ISLAND 0 1 0 0 0 1
(U.S.) UT UTAH 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 98 121 119 146 173 657
(Foreign) JPX JAPAN 21 38 40 31 54 184
(Foreign) KRX KOREA, SOUTH 15 27 39 44 23 148
(Foreign) DEX GERMANY 13 18 25 30 36 122
(Foreign) GBX UNITED KINGDOM 6 12 9 10 16 53
(Foreign) CAX CANADA 3 7 9 9 7 35
(Foreign) TWX TAIWAN 7 4 6 8 8 33
(Foreign) FRX FRANCE 5 6 3 4 8 26
(Foreign) SEX SWEDEN 2 4 1 5 6 18
(Foreign) ITX ITALY 1 2 6 2 4 15
(Foreign) BEX BELGIUM 2 0 0 1 8 11
(Foreign) NLX NETHERLANDS 2 5 2 1 0 10
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 0 0 2 4 3 9
(Foreign) NOX NORWAY 1 2 3 1 2 9
(Foreign) CHX SWITZERLAND 1 0 1 3 1 6
(Foreign) HKX CHINA, HONG KONG S.A.R. 0 2 3 1 0 6
(Foreign) FIX FINLAND 0 1 2 0 2 5
(Foreign) ATX AUSTRIA 2 0 0 1 1 4
(Foreign) AUX AUSTRALIA 0 0 1 1 2 4
(Foreign) DKX DENMARK 0 1 1 2 0 4
(Foreign) BRX BRAZIL 0 1 1 1 0 3
(Foreign) ILX ISRAEL 0 1 1 0 0 2
(Foreign) AMX ARMENIA 0 0 0 0 1 1
(Foreign) GRX GREECE 0 0 0 0 1 1
(Foreign) INX INDIA 0 0 1 0 0 1
(Foreign) RUX RUSSIAN FEDERATION 0 0 1 0 0 1
(Foreign) SAX SAUDI ARABIA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 81 131 157 159 184 712
(ALL) ALL All Regions, U.S. and Foreign 179 252 276 305 357 1369


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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