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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 2006 - 2010 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 210, Liquid Purification or 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 2006 2007 2008 2009 2010 Total
(U.S.) CA CALIFORNIA 68 86 77 77 75 383
(U.S.) FL FLORIDA 40 35 33 33 36 177
(U.S.) MA MASSACHUSETTS 34 28 29 36 46 173
(U.S.) TX TEXAS 32 37 27 31 33 160
(U.S.) IL ILLINOIS 31 37 32 22 28 150
(U.S.) PA PENNSYLVANIA 32 29 23 25 29 138
(U.S.) MN MINNESOTA 13 17 17 31 32 110
(U.S.) NY NEW YORK 17 20 23 19 24 103
(U.S.) CO COLORADO 21 23 23 14 20 101
(U.S.) OH OHIO 16 20 17 16 23 92
(U.S.) NC NORTH CAROLINA 15 16 18 18 20 87
(U.S.) MI MICHIGAN 15 20 17 11 19 82
(U.S.) WI WISCONSIN 12 12 19 21 16 80
(U.S.) NJ NEW JERSEY 14 15 12 16 16 73
(U.S.) VA VIRGINIA 14 11 13 11 18 67
(U.S.) CT CONNECTICUT 16 18 9 10 13 66
(U.S.) GA GEORGIA 12 16 14 5 7 54
(U.S.) TN TENNESSEE 4 11 6 13 20 54
(U.S.) WA WASHINGTON 13 12 8 7 14 54
(U.S.) IN INDIANA 7 11 7 4 16 45
(U.S.) AZ ARIZONA 13 12 1 10 6 42
(U.S.) LA LOUISIANA 6 11 10 4 10 41
(U.S.) ID IDAHO 7 9 5 7 8 36
(U.S.) NM NEW MEXICO 11 11 8 3 3 36
(U.S.) OR OREGON 7 7 8 4 5 31
(U.S.) IA IOWA 9 3 8 4 5 29
(U.S.) MD MARYLAND 6 8 3 7 5 29
(U.S.) OK OKLAHOMA 5 6 8 4 6 29
(U.S.) UT UTAH 5 2 8 7 7 29
(U.S.) SC SOUTH CAROLINA 5 6 7 1 4 23
(U.S.) KY KENTUCKY 3 3 6 2 8 22
(U.S.) NE NEBRASKA 6 8 7 1 0 22
(U.S.) MO MISSOURI 4 7 1 6 3 21
(U.S.) NH NEW HAMPSHIRE 4 5 3 2 6 20
(U.S.) AL ALABAMA 4 2 6 3 4 19
(U.S.) KS KANSAS 2 4 3 4 5 18
(U.S.) NV NEVADA 3 2 6 3 2 16
(U.S.) DE DELAWARE 4 1 3 3 3 14
(U.S.) WY WYOMING 3 4 1 4 2 14
(U.S.) ME MAINE 3 3 1 4 2 13
(U.S.) HI HAWAII 0 2 3 1 4 10
(U.S.) RI RHODE ISLAND 3 1 1 1 2 8
(U.S.) ND NORTH DAKOTA 0 2 1 1 2 6
(U.S.) DC DISTRICT OF COLUMBIA 3 0 1 0 1 5
(U.S.) WV WEST VIRGINIA 1 1 1 2 0 5
(U.S.) AK ALASKA 1 0 1 1 1 4
(U.S.) MS MISSISSIPPI 1 2 0 0 1 4
(U.S.) SD SOUTH DAKOTA 1 0 2 0 1 4
(U.S.) AR ARKANSAS 0 0 1 0 2 3
(U.S.) MT MONTANA 0 1 2 0 0 3
(U.S.) PR PUERTO RICO 0 2 0 0 1 3
(U.S.) VT VERMONT 0 1 0 1 1 3
(U.S.)   -- Subtotal -- 546 600 540 510 615 2811
(Foreign) JPX JAPAN 82 97 78 75 90 422
(Foreign) DEX GERMANY 50 60 61 48 58 277
(Foreign) CAX CANADA 36 29 43 36 30 174
(Foreign) FRX FRANCE 21 36 32 19 28 136
(Foreign) TWX TAIWAN 18 22 27 18 11 96
(Foreign) GBX UNITED KINGDOM 18 17 15 17 24 91
(Foreign) KRX KOREA, SOUTH 13 10 14 16 20 73
(Foreign) SEX SWEDEN 14 12 18 11 14 69
(Foreign) AUX AUSTRALIA 12 13 15 10 14 64
(Foreign) ITX ITALY 8 11 13 8 16 56
(Foreign) NLX NETHERLANDS 5 3 12 10 11 41
(Foreign) FIX FINLAND 13 6 6 3 7 35
(Foreign) ILX ISRAEL 4 7 5 7 11 34
(Foreign) NOX NORWAY 2 7 4 7 7 27
(Foreign) ATX AUSTRIA 3 6 6 3 6 24
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 2 4 3 7 7 23
(Foreign) DKX DENMARK 2 3 6 5 7 23
(Foreign) BEX BELGIUM 4 3 4 4 4 19
(Foreign) CHX SWITZERLAND 4 2 2 5 4 17
(Foreign) INX INDIA 1 5 1 5 3 15
(Foreign) ESX SPAIN 1 3 3 3 4 14
(Foreign) ZAX SOUTH AFRICA 5 4 1 2 2 14
(Foreign) RUX RUSSIAN FEDERATION 2 1 2 2 1 8
(Foreign) SGX SINGAPORE 1 1 2 2 0 6
(Foreign) BRX BRAZIL 1 1 1 1 1 5
(Foreign) CLX CHILE 0 0 2 2 1 5
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 1 3 5
(Foreign) NZX NEW ZEALAND 0 2 2 0 1 5
(Foreign) AEX UNITED ARAB EMIRATES 1 0 0 2 0 3
(Foreign) CZX CZECH REPUBLIC 1 1 0 0 1 3
(Foreign) COX COLOMBIA 0 0 2 0 0 2
(Foreign) CRX COSTA RICA 0 0 0 2 0 2
(Foreign) GRX GREECE 0 0 1 0 1 2
(Foreign) HRX CROATIA 1 0 0 0 1 2
(Foreign) HUX HUNGARY 0 1 1 0 0 2
(Foreign) MYX MALAYSIA 0 1 0 0 1 2
(Foreign) EGX EGYPT 1 0 0 0 0 1
(Foreign) HNX HONDURAS 0 1 0 0 0 1
(Foreign) ISX ICELAND 0 0 0 1 0 1
(Foreign) KWX KUWAIT 0 1 0 0 0 1
(Foreign) LBX LEBANON 0 0 0 1 0 1
(Foreign) LIX LIECHTENSTEIN 0 0 0 0 1 1
(Foreign) MXX MEXICO 0 0 0 0 1 1
(Foreign) PTX PORTUGAL 0 0 0 0 1 1
(Foreign) TNX TUNISIA 1 0 0 0 0 1
(Foreign) TTX TRINIDAD AND TOBAGO 0 0 1 0 0 1
(Foreign) VEX VENEZUELA 0 0 1 0 0 1
(Foreign) ZWX ZIMBABWE 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 327 370 385 334 392 1808
(ALL) ALL All Regions, U.S. and Foreign 873 970 925 844 1007 4619


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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