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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 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 1998 1999 2000 2001 2002 Total
(U.S.) MI MICHIGAN 7 10 6 3 14 40
(U.S.) IL ILLINOIS 7 8 6 4 3 28
(U.S.) CA CALIFORNIA 7 3 4 3 8 25
(U.S.) IN INDIANA 2 7 1 7 3 20
(U.S.) IA IOWA 3 3 2 7 2 17
(U.S.) OH OHIO 3 4 2 5 3 17
(U.S.) TX TEXAS 4 2 2 3 5 16
(U.S.) NC NORTH CAROLINA 3 1 1 5 4 14
(U.S.) MN MINNESOTA 3 2 1 3 3 12
(U.S.) PA PENNSYLVANIA 2 2 3 0 1 8
(U.S.) WI WISCONSIN 2 2 0 1 1 6
(U.S.) VA VIRGINIA 3 1 0 1 0 5
(U.S.) CT CONNECTICUT 0 2 0 0 2 4
(U.S.) FL FLORIDA 0 1 1 1 1 4
(U.S.) NY NEW YORK 1 3 0 0 0 4
(U.S.) TN TENNESSEE 0 0 0 1 3 4
(U.S.) UT UTAH 1 0 0 3 0 4
(U.S.) MO MISSOURI 1 0 1 0 1 3
(U.S.) NJ NEW JERSEY 0 0 0 3 0 3
(U.S.) WA WASHINGTON 0 1 0 1 1 3
(U.S.) AL ALABAMA 2 0 0 0 0 2
(U.S.) AZ ARIZONA 1 0 0 0 1 2
(U.S.) CO COLORADO 1 0 0 0 1 2
(U.S.) GA GEORGIA 0 2 0 0 0 2
(U.S.) ID IDAHO 1 0 0 1 0 2
(U.S.) KY KENTUCKY 0 1 0 0 1 2
(U.S.) LA LOUISIANA 0 0 1 0 0 1
(U.S.) MA MASSACHUSETTS 0 1 0 0 0 1
(U.S.) MS MISSISSIPPI 0 0 0 0 1 1
(U.S.) ND NORTH DAKOTA 0 0 0 1 0 1
(U.S.) NE NEBRASKA 1 0 0 0 0 1
(U.S.) OK OKLAHOMA 0 1 0 0 0 1
(U.S.) RI RHODE ISLAND 0 0 1 0 0 1
(U.S.) SC SOUTH CAROLINA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 56 57 32 53 59 257
(Foreign) JPX JAPAN 36 38 28 42 44 188
(Foreign) DEX GERMANY 19 18 20 29 33 119
(Foreign) DKX DENMARK 9 5 0 3 2 19
(Foreign) FRX FRANCE 3 1 1 5 8 18
(Foreign) SEX SWEDEN 3 3 7 2 1 16
(Foreign) ITX ITALY 2 3 5 3 0 13
(Foreign) CAX CANADA 2 1 2 4 3 12
(Foreign) GBX UNITED KINGDOM 3 5 0 1 2 11
(Foreign) KRX SOUTH KOREA 1 3 0 3 2 9
(Foreign) CHX SWITZERLAND 1 0 1 2 1 5
(Foreign) TWX TAIWAN 2 0 1 1 1 5
(Foreign) NOX NORWAY 0 1 0 1 1 3
(Foreign) NLX NETHERLANDS 0 0 1 1 0 2
(Foreign) SKX SLOVAKIA 0 0 0 0 2 2
(Foreign) AUX AUSTRALIA 0 0 0 1 0 1
(Foreign) BRX BRAZIL 1 0 0 0 0 1
(Foreign) CNX CHINA P.REP. 0 1 0 0 0 1
(Foreign) ESX SPAIN 1 0 0 0 0 1
(Foreign) ILX ISRAEL 1 0 0 0 0 1
(Foreign) SIX SLOVENIA 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 84 79 66 99 100 428
(ALL) ALL All Regions, U.S. and Foreign 140 136 98 152 159 685


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
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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