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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 454, Ventilation

( 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.) MI MICHIGAN 8 9 13 3 3 36
(U.S.) CA CALIFORNIA 10 6 2 4 2 24
(U.S.) NY NEW YORK 9 6 2 5 1 23
(U.S.) TX TEXAS 3 3 6 2 5 19
(U.S.) IL ILLINOIS 3 3 3 4 5 18
(U.S.) AZ ARIZONA 2 4 5 0 2 13
(U.S.) NC NORTH CAROLINA 3 0 3 3 4 13
(U.S.) OH OHIO 7 2 1 2 0 12
(U.S.) IN INDIANA 1 4 3 1 2 11
(U.S.) MA MASSACHUSETTS 3 3 3 2 0 11
(U.S.) PA PENNSYLVANIA 3 1 2 1 3 10
(U.S.) FL FLORIDA 0 2 4 2 1 9
(U.S.) WI WISCONSIN 3 2 1 0 3 9
(U.S.) CO COLORADO 4 1 1 1 1 8
(U.S.) IA IOWA 2 4 1 0 1 8
(U.S.) MN MINNESOTA 4 1 3 0 0 8
(U.S.) VA VIRGINIA 5 0 2 0 1 8
(U.S.) GA GEORGIA 2 2 2 0 0 6
(U.S.) NJ NEW JERSEY 3 1 1 0 1 6
(U.S.) KS KANSAS 0 2 1 2 0 5
(U.S.) MO MISSOURI 1 2 1 1 0 5
(U.S.) OR OREGON 3 1 0 1 0 5
(U.S.) WA WASHINGTON 2 1 2 0 0 5
(U.S.) SC SOUTH CAROLINA 2 2 0 0 0 4
(U.S.) MD MARYLAND 2 0 0 0 1 3
(U.S.) MS MISSISSIPPI 2 0 1 0 0 3
(U.S.) OK OKLAHOMA 0 1 1 1 0 3
(U.S.) TN TENNESSEE 1 0 2 0 0 3
(U.S.) AL ALABAMA 0 1 0 1 0 2
(U.S.) KY KENTUCKY 2 0 0 0 0 2
(U.S.) NE NEBRASKA 0 2 0 0 0 2
(U.S.) NV NEVADA 0 1 0 0 1 2
(U.S.) SD SOUTH DAKOTA 2 0 0 0 0 2
(U.S.) CT CONNECTICUT 0 0 0 1 0 1
(U.S.) HI HAWAII 1 0 0 0 0 1
(U.S.) LA LOUISIANA 0 1 0 0 0 1
(U.S.) MT MONTANA 1 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NH NEW HAMPSHIRE 0 1 0 0 0 1
(U.S.) NM NEW MEXICO 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 95 70 66 37 37 305
(Foreign) JPX JAPAN 21 14 12 18 11 76
(Foreign) DEX GERMANY 14 12 9 5 5 45
(Foreign) CAX CANADA 13 11 7 6 5 42
(Foreign) TWX TAIWAN 3 3 3 6 4 19
(Foreign) GBX UNITED KINGDOM 3 5 3 1 2 14
(Foreign) KRX KOREA, SOUTH 1 3 5 2 3 14
(Foreign) FRX FRANCE 5 0 2 1 0 8
(Foreign) SEX SWEDEN 3 2 0 0 1 6
(Foreign) ITX ITALY 0 3 1 1 0 5
(Foreign) ILX ISRAEL 0 2 0 0 1 3
(Foreign) DKX DENMARK 2 0 0 0 0 2
(Foreign) ESX SPAIN 0 1 0 0 1 2
(Foreign) INX INDIA 0 1 1 0 0 2
(Foreign) NLX NETHERLANDS 0 0 1 1 0 2
(Foreign) BRX BRAZIL 0 0 1 0 0 1
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 1 0 0 0 0 1
(Foreign) CYX CYPRUS 0 0 0 0 1 1
(Foreign) FIX FINLAND 0 1 0 0 0 1
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 1 0 0 0 1
(Foreign) NOX NORWAY 0 0 1 0 0 1
(Foreign) NZX NEW ZEALAND 0 0 1 0 0 1
(Foreign) THX THAILAND 0 0 1 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 66 59 48 42 34 249
(ALL) ALL All Regions, U.S. and Foreign 161 129 114 79 71 554


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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