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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 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 210, Liquid Purification or 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 1998 1999 2000 2001 2002 Total
(U.S.) CA CALIFORNIA 77 94 118 115 110 514
(U.S.) IL ILLINOIS 63 45 66 46 41 261
(U.S.) TX TEXAS 53 44 53 52 41 243
(U.S.) NY NEW YORK 52 29 45 41 42 209
(U.S.) MA MASSACHUSETTS 35 44 46 40 26 191
(U.S.) PA PENNSYLVANIA 45 46 39 25 19 174
(U.S.) FL FLORIDA 30 27 43 35 18 153
(U.S.) OH OHIO 27 26 27 26 24 130
(U.S.) MI MICHIGAN 17 25 16 26 24 108
(U.S.) NC NORTH CAROLINA 19 16 15 33 21 104
(U.S.) NJ NEW JERSEY 26 29 13 21 15 104
(U.S.) MN MINNESOTA 21 16 19 21 21 98
(U.S.) GA GEORGIA 19 17 13 30 18 97
(U.S.) CT CONNECTICUT 19 25 16 10 20 90
(U.S.) LA LOUISIANA 15 18 18 25 10 86
(U.S.) CO COLORADO 19 19 14 12 10 74
(U.S.) WI WISCONSIN 11 20 13 15 14 73
(U.S.) WA WASHINGTON 10 17 11 13 13 64
(U.S.) VA VIRGINIA 8 8 14 16 12 58
(U.S.) TN TENNESSEE 11 16 7 18 5 57
(U.S.) AZ ARIZONA 10 9 11 6 8 44
(U.S.) IN INDIANA 12 10 9 5 8 44
(U.S.) MO MISSOURI 7 10 11 8 6 42
(U.S.) UT UTAH 5 12 7 6 7 37
(U.S.) KY KENTUCKY 9 9 6 4 8 36
(U.S.) MD MARYLAND 12 8 2 8 5 35
(U.S.) ID IDAHO 6 9 4 6 7 32
(U.S.) OK OKLAHOMA 9 5 8 4 6 32
(U.S.) SC SOUTH CAROLINA 4 4 8 8 5 29
(U.S.) NH NEW HAMPSHIRE 7 8 6 3 4 28
(U.S.) NE NEBRASKA 5 5 7 7 3 27
(U.S.) IA IOWA 4 5 5 3 9 26
(U.S.) OR OREGON 7 1 3 5 8 24
(U.S.) NV NEVADA 2 6 6 5 2 21
(U.S.) KS KANSAS 1 5 4 3 3 16
(U.S.) RI RHODE ISLAND 4 3 3 6 0 16
(U.S.) AL ALABAMA 4 4 2 0 5 15
(U.S.) DE DELAWARE 2 4 0 6 3 15
(U.S.) MT MONTANA 0 7 1 5 1 14
(U.S.) ME MAINE 2 1 2 5 0 10
(U.S.) NM NEW MEXICO 2 1 2 3 2 10
(U.S.) WV WEST VIRGINIA 1 2 4 3 0 10
(U.S.) MS MISSISSIPPI 3 4 0 1 1 9
(U.S.) HI HAWAII 0 0 1 3 2 6
(U.S.) AK ALASKA 2 0 0 1 1 4
(U.S.) AR ARKANSAS 2 2 0 0 0 4
(U.S.) ND NORTH DAKOTA 0 1 1 0 2 4
(U.S.) DC DISTRICT OF COLUMBIA 0 0 1 0 1 2
(U.S.) PR PUERTO RICO 0 0 1 0 1 2
(U.S.) SD SOUTH DAKOTA 0 1 0 0 0 1
(U.S.) VT VERMONT 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 699 717 722 734 612 3484
(Foreign) JPX JAPAN 101 91 95 130 112 529
(Foreign) DEX GERMANY 73 71 81 69 84 378
(Foreign) CAX CANADA 46 48 64 57 40 255
(Foreign) FRX FRANCE 33 42 46 47 36 204
(Foreign) GBX UNITED KINGDOM 30 40 19 28 21 138
(Foreign) SEX SWEDEN 28 18 21 20 17 104
(Foreign) NLX NETHERLANDS 14 18 11 16 14 73
(Foreign) KRX SOUTH KOREA 22 15 5 14 12 68
(Foreign) TWX TAIWAN 17 13 10 12 15 67
(Foreign) AUX AUSTRALIA 9 12 16 13 14 64
(Foreign) ITX ITALY 11 9 11 3 12 46
(Foreign) CHX SWITZERLAND 10 5 10 9 8 42
(Foreign) FIX FINLAND 8 7 8 15 4 42
(Foreign) DKX DENMARK 11 10 8 8 2 39
(Foreign) ATX AUSTRIA 9 5 4 7 8 33
(Foreign) ILX ISRAEL 5 4 5 7 8 29
(Foreign) ZAX SOUTH AFRICA 5 2 7 9 5 28
(Foreign) BEX BELGIUM 6 2 4 4 6 22
(Foreign) NOX NORWAY 2 4 4 5 5 20
(Foreign) ESX SPAIN 2 2 2 4 3 13
(Foreign) RUX RUSSIAN FEDERATION 3 1 2 2 3 11
(Foreign) UAX UKRAINE 1 3 1 1 2 8
(Foreign) BRX BRAZIL 1 4 0 0 1 6
(Foreign) CNX CHINA P.REP. 1 2 1 1 1 6
(Foreign) MXX MEXICO 0 0 1 3 2 6
(Foreign) VEX VENEZUELA 1 3 1 1 0 6
(Foreign) HUX HUNGARY 1 1 0 0 2 4
(Foreign) CZX CZECH REPUBLIC 1 1 0 0 1 3
(Foreign) KWX KUWAIT 0 1 1 0 1 3
(Foreign) LIX LIECHTENSTEIN 1 1 0 0 1 3
(Foreign) PLX POLAND 1 0 0 2 0 3
(Foreign) CSX CZECHOSLOVAKIA 1 0 1 0 0 2
(Foreign) GRX GREECE 1 0 0 1 0 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 0 1 2
(Foreign) IEX IRELAND 0 1 1 0 0 2
(Foreign) INX INDIA 0 0 1 0 1 2
(Foreign) NZX NEW ZEALAND 0 1 1 0 0 2
(Foreign) SGX SINGAPORE 0 0 1 1 0 2
(Foreign) SIX SLOVENIA 0 1 1 0 0 2
(Foreign) ARX ARGENTINA 0 1 0 0 0 1
(Foreign) BGX BULGARIA 0 0 0 1 0 1
(Foreign) CLX CHILE 0 1 0 0 0 1
(Foreign) MCX MONACO 0 0 0 1 0 1
(Foreign) PHX PHILIPPINES 0 1 0 0 0 1
(Foreign) PTX PORTUGAL 0 1 0 0 0 1
(Foreign) SUX U.S.S.R. 1 0 0 0 0 1
(Foreign) TRX TURKEY 0 0 0 1 0 1
(Foreign) TTX TRINIDAD/TOBAGO 1 0 0 0 0 1
(Foreign) YUX YUGOSLAVIA 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 457 443 445 492 442 2279
(ALL) ALL All Regions, U.S. and Foreign 1156 1160 1167 1226 1054 5763


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