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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 454, Ventilation

( 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.) MI MICHIGAN 9 10 15 10 8 52
(U.S.) CA CALIFORNIA 7 7 16 5 13 48
(U.S.) TX TEXAS 7 5 5 10 11 38
(U.S.) NY NEW YORK 5 7 7 5 7 31
(U.S.) IL ILLINOIS 8 5 7 6 2 28
(U.S.) IN INDIANA 6 5 4 4 5 24
(U.S.) PA PENNSYLVANIA 1 5 4 8 5 23
(U.S.) FL FLORIDA 4 2 2 4 6 18
(U.S.) MN MINNESOTA 3 4 2 5 3 17
(U.S.) NC NORTH CAROLINA 4 1 4 2 5 16
(U.S.) KS KANSAS 3 2 4 0 4 13
(U.S.) MO MISSOURI 4 2 3 3 1 13
(U.S.) WA WASHINGTON 3 3 3 1 3 13
(U.S.) VA VIRGINIA 4 0 4 2 2 12
(U.S.) GA GEORGIA 2 0 3 5 1 11
(U.S.) TN TENNESSEE 1 2 2 4 2 11
(U.S.) CO COLORADO 1 3 0 3 3 10
(U.S.) NJ NEW JERSEY 2 3 1 4 0 10
(U.S.) WI WISCONSIN 2 1 1 5 1 10
(U.S.) AZ ARIZONA 1 1 0 6 1 9
(U.S.) CT CONNECTICUT 3 2 2 2 0 9
(U.S.) MA MASSACHUSETTS 1 2 2 3 1 9
(U.S.) NH NEW HAMPSHIRE 2 0 2 2 1 7
(U.S.) OH OHIO 1 2 1 0 3 7
(U.S.) IA IOWA 1 1 1 2 1 6
(U.S.) MD MARYLAND 2 1 0 2 1 6
(U.S.) OR OREGON 0 0 2 3 1 6
(U.S.) SC SOUTH CAROLINA 1 0 2 1 2 6
(U.S.) KY KENTUCKY 1 1 0 1 2 5
(U.S.) OK OKLAHOMA 1 1 1 0 1 4
(U.S.) LA LOUISIANA 1 0 2 0 0 3
(U.S.) AR ARKANSAS 2 0 0 0 0 2
(U.S.) MT MONTANA 0 0 1 0 1 2
(U.S.) NM NEW MEXICO 0 1 0 1 0 2
(U.S.) NV NEVADA 1 0 0 1 0 2
(U.S.) UT UTAH 1 1 0 0 0 2
(U.S.) DE DELAWARE 1 0 0 0 0 1
(U.S.) HI HAWAII 0 0 0 0 1 1
(U.S.) ID IDAHO 0 1 0 0 0 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NE NEBRASKA 0 0 0 1 0 1
(U.S.) VT VERMONT 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 98 81 103 111 98 491
(Foreign) JPX JAPAN 11 27 16 19 24 97
(Foreign) DEX GERMANY 10 11 9 23 16 69
(Foreign) CAX CANADA 12 3 10 8 7 40
(Foreign) FRX FRANCE 5 11 6 12 6 40
(Foreign) KRX SOUTH KOREA 17 7 6 4 5 39
(Foreign) TWX TAIWAN 8 4 5 3 10 30
(Foreign) SEX SWEDEN 3 1 5 5 2 16
(Foreign) GBX UNITED KINGDOM 5 0 2 2 2 11
(Foreign) AUX AUSTRALIA 0 1 1 2 1 5
(Foreign) BRX BRAZIL 0 0 1 1 2 4
(Foreign) CHX SWITZERLAND 2 0 0 2 0 4
(Foreign) NOX NORWAY 3 0 0 1 0 4
(Foreign) ITX ITALY 1 0 1 0 1 3
(Foreign) ATX AUSTRIA 0 0 2 0 0 2
(Foreign) ESX SPAIN 0 1 1 0 0 2
(Foreign) FIX FINLAND 0 1 0 0 1 2
(Foreign) MXX MEXICO 0 0 2 0 0 2
(Foreign) BEX BELGIUM 0 0 0 0 1 1
(Foreign) DKX DENMARK 1 0 0 0 0 1
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 0 1 0 1
(Foreign) MCX MONACO 0 0 1 0 0 1
(Foreign) NLX NETHERLANDS 0 0 0 1 0 1
(Foreign) NZX NEW ZEALAND 0 1 0 0 0 1
(Foreign) RUX RUSSIAN FEDERATION 1 0 0 0 0 1
(Foreign) SGX SINGAPORE 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 79 68 68 85 78 378
(ALL) ALL All Regions, U.S. and Foreign 177 149 171 196 176 869


PTMD Contacts

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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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Alexandria VA 22313

tel: (703) 306-2600
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email: oeip@uspto.gov

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