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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 2000 - 2004 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 092, Expansible Chamber Devices

( 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 2000 2001 2002 2003 2004 Total
(U.S.) MI MICHIGAN 6 3 14 14 3 40
(U.S.) CA CALIFORNIA 4 3 8 4 3 22
(U.S.) IL ILLINOIS 6 4 3 4 4 21
(U.S.) IA IOWA 2 7 2 2 7 20
(U.S.) IN INDIANA 1 7 3 5 1 17
(U.S.) OH OHIO 2 5 3 3 2 15
(U.S.) MN MINNESOTA 1 3 3 2 4 13
(U.S.) TX TEXAS 2 3 5 1 2 13
(U.S.) NC NORTH CAROLINA 1 5 4 0 0 10
(U.S.) FL FLORIDA 1 1 1 2 2 7
(U.S.) TN TENNESSEE 0 1 3 1 1 6
(U.S.) MO MISSOURI 1 0 1 2 1 5
(U.S.) NJ NEW JERSEY 0 3 0 1 1 5
(U.S.) PA PENNSYLVANIA 3 0 1 1 0 5
(U.S.) CT CONNECTICUT 0 0 2 2 0 4
(U.S.) WA WASHINGTON 0 1 1 1 1 4
(U.S.) UT UTAH 0 3 0 0 0 3
(U.S.) VA VIRGINIA 0 1 0 2 0 3
(U.S.) AL ALABAMA 0 0 0 2 0 2
(U.S.) AZ ARIZONA 0 0 1 0 1 2
(U.S.) CO COLORADO 0 0 1 1 0 2
(U.S.) MA MASSACHUSETTS 0 0 0 0 2 2
(U.S.) MS MISSISSIPPI 0 0 1 0 1 2
(U.S.) ND NORTH DAKOTA 0 1 0 0 1 2
(U.S.) OK OKLAHOMA 0 0 0 1 1 2
(U.S.) SC SOUTH CAROLINA 0 0 0 1 1 2
(U.S.) WI WISCONSIN 0 1 1 0 0 2
(U.S.) GA GEORGIA 0 0 0 1 0 1
(U.S.) ID IDAHO 0 1 0 0 0 1
(U.S.) KY KENTUCKY 0 0 1 0 0 1
(U.S.) LA LOUISIANA 1 0 0 0 0 1
(U.S.) MT MONTANA 0 0 0 0 1 1
(U.S.) NY NEW YORK 0 0 0 1 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.)   -- Subtotal -- 32 53 59 55 40 239
(Foreign) JPX JAPAN 28 42 44 33 27 174
(Foreign) DEX GERMANY 20 29 33 26 28 136
(Foreign) FRX FRANCE 1 5 8 1 4 19
(Foreign) SEX SWEDEN 7 2 1 2 2 14
(Foreign) KRX SOUTH KOREA 0 3 2 5 3 13
(Foreign) CAX CANADA 2 4 3 1 2 12
(Foreign) ITX ITALY 5 3 0 2 2 12
(Foreign) GBX UNITED KINGDOM 0 1 2 8 0 11
(Foreign) CHX SWITZERLAND 1 2 1 4 0 8
(Foreign) DKX DENMARK 0 3 2 1 0 6
(Foreign) TWX TAIWAN 1 1 1 1 1 5
(Foreign) SKX SLOVAKIA 0 0 2 0 1 3
(Foreign) AUX AUSTRALIA 0 1 0 0 1 2
(Foreign) FIX FINLAND 0 0 0 1 1 2
(Foreign) NLX NETHERLANDS 1 1 0 0 0 2
(Foreign) NOX NORWAY 0 1 1 0 0 2
(Foreign) SIX SLOVENIA 0 1 0 0 1 2
(Foreign) BRX BRAZIL 0 0 0 1 0 1
(Foreign) ILX ISRAEL 0 0 0 1 0 1
(Foreign) NZX NEW ZEALAND 0 0 0 1 0 1
(Foreign) UAX UKRAINE 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 66 99 100 89 73 427
(ALL) ALL All Regions, U.S. and Foreign 98 152 159 144 113 666


PTMD Contacts

Questions regarding these reports should be directed to:

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

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

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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