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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 138, Pipes and Tubular Conduits

( 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 19 23 3 6 6 57
(U.S.) TX TEXAS 11 14 11 10 6 52
(U.S.) OH OHIO 16 11 6 5 6 44
(U.S.) CA CALIFORNIA 13 6 15 6 3 43
(U.S.) IL ILLINOIS 9 3 4 9 0 25
(U.S.) PA PENNSYLVANIA 2 5 8 3 5 23
(U.S.) FL FLORIDA 4 7 2 2 6 21
(U.S.) MA MASSACHUSETTS 6 3 1 2 4 16
(U.S.) MN MINNESOTA 4 7 0 2 2 15
(U.S.) IN INDIANA 5 3 4 0 0 12
(U.S.) MO MISSOURI 2 0 2 3 5 12
(U.S.) CO COLORADO 2 1 1 4 3 11
(U.S.) NY NEW YORK 6 1 0 2 1 10
(U.S.) TN TENNESSEE 2 3 3 1 1 10
(U.S.) NJ NEW JERSEY 1 2 3 1 2 9
(U.S.) WA WASHINGTON 2 2 1 1 2 8
(U.S.) SC SOUTH CAROLINA 1 2 1 3 0 7
(U.S.) UT UTAH 2 2 0 2 1 7
(U.S.) AZ ARIZONA 2 0 1 2 1 6
(U.S.) NC NORTH CAROLINA 3 0 1 1 1 6
(U.S.) OK OKLAHOMA 2 2 0 2 0 6
(U.S.) WI WISCONSIN 0 0 2 2 1 5
(U.S.) GA GEORGIA 2 1 0 1 0 4
(U.S.) LA LOUISIANA 1 1 0 1 1 4
(U.S.) OR OREGON 1 0 2 0 1 4
(U.S.) CT CONNECTICUT 1 1 1 0 0 3
(U.S.) IA IOWA 2 0 0 0 1 3
(U.S.) MD MARYLAND 1 0 0 2 0 3
(U.S.) NH NEW HAMPSHIRE 0 1 1 0 1 3
(U.S.) RI RHODE ISLAND 1 0 2 0 0 3
(U.S.) NV NEVADA 0 1 1 0 0 2
(U.S.) VA VIRGINIA 0 0 1 1 0 2
(U.S.) AK ALASKA 1 0 0 0 0 1
(U.S.) AR ARKANSAS 0 0 1 0 0 1
(U.S.) DE DELAWARE 0 0 1 0 0 1
(U.S.) ID IDAHO 0 1 0 0 0 1
(U.S.) ME MAINE 0 1 0 0 0 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NM NEW MEXICO 1 0 0 0 0 1
(U.S.) VT VERMONT 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 126 104 79 74 61 444
(Foreign) JPX JAPAN 50 31 30 22 29 162
(Foreign) DEX GERMANY 32 24 19 18 18 111
(Foreign) FRX FRANCE 20 16 11 12 7 66
(Foreign) GBX UNITED KINGDOM 17 9 13 9 2 50
(Foreign) CAX CANADA 9 5 7 3 6 30
(Foreign) SEX SWEDEN 5 0 2 4 3 14
(Foreign) ITX ITALY 1 2 5 1 1 10
(Foreign) TWX TAIWAN 2 4 1 2 0 9
(Foreign) KRX SOUTH KOREA 1 2 2 2 1 8
(Foreign) AUX AUSTRALIA 2 3 0 1 1 7
(Foreign) DKX DENMARK 1 2 1 2 1 7
(Foreign) NLX NETHERLANDS 2 1 1 1 1 6
(Foreign) CHX SWITZERLAND 2 1 0 0 2 5
(Foreign) NOX NORWAY 2 3 0 0 0 5
(Foreign) FIX FINLAND 1 1 1 1 0 4
(Foreign) BEX BELGIUM 0 1 2 0 0 3
(Foreign) BRX BRAZIL 0 1 0 1 1 3
(Foreign) ILX ISRAEL 0 0 1 2 0 3
(Foreign) ATX AUSTRIA 0 2 0 0 0 2
(Foreign) CNX CHINA P.REP. 0 2 0 0 0 2
(Foreign) ESX SPAIN 0 0 1 1 0 2
(Foreign) ARX ARGENTINA 0 0 0 1 0 1
(Foreign) HUX HUNGARY 0 1 0 0 0 1
(Foreign) MXX MEXICO 0 0 0 0 1 1
(Foreign) THX THAILAND 0 0 1 0 0 1
(Foreign) ZAX SOUTH AFRICA 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 148 111 98 83 74 514
(ALL) ALL All Regions, U.S. and Foreign 274 215 177 157 135 958


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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