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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

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

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
(U.S.) MN MINNESOTA 9 14 15 18 22 78
(U.S.) IL ILLINOIS 5 8 2 8 13 36
(U.S.) OH OHIO 8 7 5 6 8 34
(U.S.) CA CALIFORNIA 5 4 4 7 12 32
(U.S.) WI WISCONSIN 10 2 3 9 8 32
(U.S.) MI MICHIGAN 9 5 2 2 8 26
(U.S.) NY NEW YORK 6 4 2 10 4 26
(U.S.) NC NORTH CAROLINA 4 3 3 4 5 19
(U.S.) TX TEXAS 3 1 4 3 2 13
(U.S.) MA MASSACHUSETTS 2 3 2 3 1 11
(U.S.) VA VIRGINIA 2 4 2 1 2 11
(U.S.) TN TENNESSEE 2 3 1 1 3 10
(U.S.) FL FLORIDA 2 0 3 1 3 9
(U.S.) IN INDIANA 2 1 1 4 1 9
(U.S.) CT CONNECTICUT 1 1 1 2 2 7
(U.S.) KY KENTUCKY 1 1 1 2 2 7
(U.S.) MO MISSOURI 3 1 0 2 1 7
(U.S.) CO COLORADO 0 3 0 0 3 6
(U.S.) PA PENNSYLVANIA 1 1 0 2 2 6
(U.S.) GA GEORGIA 0 0 1 3 1 5
(U.S.) ID IDAHO 1 2 0 0 2 5
(U.S.) KS KANSAS 1 1 1 1 1 5
(U.S.) OR OREGON 1 0 1 2 1 5
(U.S.) AL ALABAMA 1 1 0 0 2 4
(U.S.) AZ ARIZONA 0 0 1 2 1 4
(U.S.) MS MISSISSIPPI 0 1 1 2 0 4
(U.S.) OK OKLAHOMA 1 1 1 0 1 4
(U.S.) WA WASHINGTON 2 1 0 0 1 4
(U.S.) NE NEBRASKA 0 0 0 2 1 3
(U.S.) NJ NEW JERSEY 0 1 1 0 1 3
(U.S.) AR ARKANSAS 0 0 0 0 2 2
(U.S.) MD MARYLAND 0 1 0 0 1 2
(U.S.) NH NEW HAMPSHIRE 1 0 0 1 0 2
(U.S.) NV NEVADA 0 0 1 0 1 2
(U.S.) RI RHODE ISLAND 0 0 1 0 1 2
(U.S.) SC SOUTH CAROLINA 1 0 0 0 1 2
(U.S.) DE DELAWARE 1 0 0 0 0 1
(U.S.) HI HAWAII 0 0 1 0 0 1
(U.S.) IA IOWA 1 0 0 0 0 1
(U.S.) MT MONTANA 1 0 0 0 0 1
(U.S.) NM NEW MEXICO 0 0 0 0 1 1
(U.S.) UT UTAH 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 88 75 61 98 121 443
(Foreign) JPX JAPAN 30 21 26 21 38 136
(Foreign) DEX GERMANY 21 25 15 13 18 92
(Foreign) KRX KOREA, SOUTH 8 8 16 15 27 74
(Foreign) GBX UNITED KINGDOM 4 5 7 6 12 34
(Foreign) CAX CANADA 5 3 3 3 7 21
(Foreign) TWX TAIWAN 3 3 3 7 4 20
(Foreign) SEX SWEDEN 3 1 7 2 4 17
(Foreign) FRX FRANCE 2 3 0 5 6 16
(Foreign) NLX NETHERLANDS 0 1 1 2 5 9
(Foreign) ITX ITALY 3 1 1 1 2 8
(Foreign) NOX NORWAY 2 0 1 1 2 6
(Foreign) CHX SWITZERLAND 2 0 2 1 0 5
(Foreign) AUX AUSTRALIA 2 0 1 0 0 3
(Foreign) BEX BELGIUM 0 0 1 2 0 3
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 1 0 0 2 3
(Foreign) ATX AUSTRIA 0 0 0 2 0 2
(Foreign) DKX DENMARK 1 0 0 0 1 2
(Foreign) FIX FINLAND 0 1 0 0 1 2
(Foreign) BRX BRAZIL 0 0 0 0 1 1
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 1 0 0 0 0 1
(Foreign) IDX INDONESIA 1 0 0 0 0 1
(Foreign) ILX ISRAEL 0 0 0 0 1 1
(Foreign) PTX PORTUGAL 1 0 0 0 0 1
(Foreign) SAX SAUDI ARABIA 0 1 0 0 0 1
(Foreign) VEX VENEZUELA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 89 74 85 81 131 460
(ALL) ALL All Regions, U.S. and Foreign 177 149 146 179 252 903


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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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