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

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

Count of 2001 - 2005 Utility Patent Grants,
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 the 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 by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 2001 2002 2003 2004 2005 Total
(U.S.) MN MINNESOTA 10 12 11 9 14 56
(U.S.) WI WISCONSIN 7 12 7 10 2 38
(U.S.) OH OHIO 4 10 7 8 7 36
(U.S.) CA CALIFORNIA 9 7 8 5 4 33
(U.S.) NY NEW YORK 6 7 5 6 4 28
(U.S.) IL ILLINOIS 4 4 5 5 8 26
(U.S.) MI MICHIGAN 4 2 3 9 5 23
(U.S.) PA PENNSYLVANIA 7 8 1 1 1 18
(U.S.) MA MASSACHUSETTS 4 5 3 2 3 17
(U.S.) TX TEXAS 4 2 4 3 1 14
(U.S.) VA VIRGINIA 0 0 8 2 4 14
(U.S.) NC NORTH CAROLINA 2 2 2 4 3 13
(U.S.) IN INDIANA 0 5 4 2 1 12
(U.S.) KS KANSAS 2 3 3 1 1 10
(U.S.) MO MISSOURI 2 3 1 3 1 10
(U.S.) TN TENNESSEE 0 5 0 2 3 10
(U.S.) CO COLORADO 2 2 2 0 3 9
(U.S.) KY KENTUCKY 3 3 1 1 1 9
(U.S.) FL FLORIDA 0 3 3 2 0 8
(U.S.) MD MARYLAND 3 3 1 0 1 8
(U.S.) MS MISSISSIPPI 2 3 0 0 1 6
(U.S.) CT CONNECTICUT 1 1 1 1 1 5
(U.S.) ID IDAHO 0 2 0 1 2 5
(U.S.) NJ NEW JERSEY 2 1 1 0 1 5
(U.S.) WA WASHINGTON 1 1 0 2 1 5
(U.S.) AL ALABAMA 1 1 0 1 1 4
(U.S.) OK OKLAHOMA 1 0 1 1 1 4
(U.S.) NE NEBRASKA 1 2 0 0 0 3
(U.S.) UT UTAH 1 0 1 1 0 3
(U.S.) GA GEORGIA 1 1 0 0 0 2
(U.S.) IA IOWA 0 0 1 1 0 2
(U.S.) NH NEW HAMPSHIRE 1 0 0 1 0 2
(U.S.) SC SOUTH CAROLINA 0 1 0 1 0 2
(U.S.) AZ ARIZONA 1 0 0 0 0 1
(U.S.) DE DELAWARE 0 0 0 1 0 1
(U.S.) MT MONTANA 0 0 0 1 0 1
(U.S.) NV NEVADA 1 0 0 0 0 1
(U.S.) OR OREGON 0 0 0 1 0 1
(U.S.) RI RHODE ISLAND 1 0 0 0 0 1
(U.S.) WV WEST VIRGINIA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 89 111 84 88 75 447
(Foreign) DEX GERMANY 24 20 26 21 25 116
(Foreign) JPX JAPAN 13 23 15 30 21 102
(Foreign) KRX SOUTH KOREA 3 6 16 8 8 41
(Foreign) CAX CANADA 8 9 6 5 3 31
(Foreign) GBX UNITED KINGDOM 2 9 5 4 5 25
(Foreign) TWX TAIWAN 8 1 5 3 3 20
(Foreign) SEX SWEDEN 6 1 3 3 1 14
(Foreign) FRX FRANCE 3 2 1 2 3 11
(Foreign) ITX ITALY 1 0 2 3 1 7
(Foreign) AUX AUSTRALIA 1 1 0 2 0 4
(Foreign) BEX BELGIUM 1 3 0 0 0 4
(Foreign) FIX FINLAND 1 1 1 0 1 4
(Foreign) ILX ISRAEL 4 0 0 0 0 4
(Foreign) CHX SWITZERLAND 1 0 0 2 0 3
(Foreign) DKX DENMARK 2 0 0 1 0 3
(Foreign) NLX NETHERLANDS 1 1 0 0 1 3
(Foreign) ATX AUSTRIA 1 1 0 0 0 2
(Foreign) CNX CHINA P.REP. 0 0 1 1 0 2
(Foreign) ESX SPAIN 0 0 2 0 0 2
(Foreign) NOX NORWAY 0 0 0 2 0 2
(Foreign) SGX SINGAPORE 0 1 1 0 0 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 0 0 1 1
(Foreign) IDX INDONESIA 0 0 0 1 0 1
(Foreign) INX INDIA 0 0 1 0 0 1
(Foreign) NZX NEW ZEALAND 1 0 0 0 0 1
(Foreign) PTX PORTUGAL 0 0 0 1 0 1
(Foreign) SAX SAUDI ARABIA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 81 79 85 89 74 408
(ALL) ALL All Regions, U.S. and Foreign 170 190 169 177 149 855


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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