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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 2001 - 2005 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 285, Pipe Joints or Couplings

( 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 2001 2002 2003 2004 2005 Total
(U.S.) TX TEXAS 20 31 25 25 24 125
(U.S.) MI MICHIGAN 21 30 19 15 16 101
(U.S.) CA CALIFORNIA 23 16 16 19 16 90
(U.S.) OH OHIO 16 9 19 14 14 72
(U.S.) PA PENNSYLVANIA 8 11 7 8 5 39
(U.S.) IL ILLINOIS 3 4 7 6 2 22
(U.S.) IN INDIANA 4 5 6 4 3 22
(U.S.) MN MINNESOTA 4 6 3 2 4 19
(U.S.) NJ NEW JERSEY 4 5 5 2 2 18
(U.S.) TN TENNESSEE 4 4 1 5 4 18
(U.S.) MA MASSACHUSETTS 3 9 1 3 1 17
(U.S.) NY NEW YORK 3 3 5 5 1 17
(U.S.) WI WISCONSIN 3 2 4 3 3 15
(U.S.) FL FLORIDA 1 2 3 2 6 14
(U.S.) MO MISSOURI 2 3 5 3 1 14
(U.S.) CO COLORADO 4 1 3 1 3 12
(U.S.) OK OKLAHOMA 2 1 3 2 4 12
(U.S.) WA WASHINGTON 0 2 3 1 6 12
(U.S.) AL ALABAMA 0 4 2 3 1 10
(U.S.) LA LOUISIANA 3 4 1 2 0 10
(U.S.) CT CONNECTICUT 2 4 1 1 1 9
(U.S.) KY KENTUCKY 1 3 1 1 2 8
(U.S.) NH NEW HAMPSHIRE 1 2 2 1 2 8
(U.S.) GA GEORGIA 3 1 0 0 2 6
(U.S.) NC NORTH CAROLINA 3 1 0 1 1 6
(U.S.) UT UTAH 2 2 0 1 1 6
(U.S.) ID IDAHO 2 1 2 0 0 5
(U.S.) VA VIRGINIA 0 3 1 1 0 5
(U.S.) AZ ARIZONA 1 2 0 1 0 4
(U.S.) KS KANSAS 1 0 0 1 2 4
(U.S.) SC SOUTH CAROLINA 0 1 1 2 0 4
(U.S.) IA IOWA 0 0 1 2 0 3
(U.S.) NE NEBRASKA 2 1 0 0 0 3
(U.S.) AR ARKANSAS 1 0 0 0 1 2
(U.S.) MD MARYLAND 1 0 0 1 0 2
(U.S.) NV NEVADA 0 1 0 0 1 2
(U.S.) OR OREGON 1 0 1 0 0 2
(U.S.) VT VERMONT 0 1 1 0 0 2
(U.S.) AK ALASKA 0 0 0 0 1 1
(U.S.) HI HAWAII 1 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 1 0 0 1
(U.S.) RI RHODE ISLAND 1 0 0 0 0 1
(U.S.) WY WYOMING 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 151 175 150 138 131 745
(Foreign) JPX JAPAN 36 43 37 20 32 168
(Foreign) DEX GERMANY 38 37 32 22 24 153
(Foreign) FRX FRANCE 10 11 25 12 16 74
(Foreign) GBX UNITED KINGDOM 9 13 8 3 10 43
(Foreign) CAX CANADA 8 10 9 3 11 41
(Foreign) ITX ITALY 1 7 5 6 7 26
(Foreign) TWX TAIWAN 9 5 3 5 4 26
(Foreign) KRX SOUTH KOREA 2 9 2 4 4 21
(Foreign) SEX SWEDEN 4 11 2 2 1 20
(Foreign) NLX NETHERLANDS 5 6 3 0 2 16
(Foreign) CHX SWITZERLAND 4 3 5 2 0 14
(Foreign) NOX NORWAY 2 5 2 1 0 10
(Foreign) AUX AUSTRALIA 3 1 0 3 2 9
(Foreign) ATX AUSTRIA 2 1 1 1 1 6
(Foreign) ARX ARGENTINA 0 0 1 1 3 5
(Foreign) ILX ISRAEL 1 2 1 1 0 5
(Foreign) CNX CHINA P.REP. 0 1 2 0 1 4
(Foreign) MXX MEXICO 1 1 1 1 0 4
(Foreign) DKX DENMARK 0 2 0 1 0 3
(Foreign) BEX BELGIUM 0 0 1 1 0 2
(Foreign) FIX FINLAND 0 0 1 0 1 2
(Foreign) THX THAILAND 1 0 0 1 0 2
(Foreign) BRX BRAZIL 0 1 0 0 0 1
(Foreign) GRX GREECE 1 0 0 0 0 1
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 0 1 0 1
(Foreign) HUX HUNGARY 0 0 0 0 1 1
(Foreign) IEX IRELAND 0 0 1 0 0 1
(Foreign) LUX LUXEMBOURG 0 1 0 0 0 1
(Foreign) MCX MONACO 0 0 1 0 0 1
(Foreign) SGX SINGAPORE 0 1 0 0 0 1
(Foreign) SIX SLOVENIA 1 0 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 139 171 143 91 120 664
(ALL) ALL All Regions, U.S. and Foreign 290 346 293 229 251 1409


PTMB Contacts

Questions regarding these reports should be directed to:

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

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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