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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 175, Boring or Penetrating the Earth

( 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 102 102 95 84 69 452
(U.S.) UT UTAH 23 15 8 7 4 57
(U.S.) LA LOUISIANA 17 10 6 8 7 48
(U.S.) CA CALIFORNIA 11 11 2 9 9 42
(U.S.) OK OKLAHOMA 10 7 8 9 8 42
(U.S.) IA IOWA 5 11 8 6 2 32
(U.S.) WA WASHINGTON 5 5 7 2 4 23
(U.S.) WI WISCONSIN 8 6 5 1 1 21
(U.S.) IL ILLINOIS 2 3 1 4 5 15
(U.S.) PA PENNSYLVANIA 8 2 1 4 0 15
(U.S.) CO COLORADO 2 4 1 3 4 14
(U.S.) VA VIRGINIA 3 1 3 2 5 14
(U.S.) OH OHIO 3 2 2 3 3 13
(U.S.) WV WEST VIRGINIA 1 2 4 0 3 10
(U.S.) KY KENTUCKY 1 3 4 0 1 9
(U.S.) FL FLORIDA 3 1 2 0 1 7
(U.S.) MO MISSOURI 1 3 0 2 1 7
(U.S.) IN INDIANA 0 0 2 3 1 6
(U.S.) MN MINNESOTA 1 3 2 0 0 6
(U.S.) NC NORTH CAROLINA 0 0 4 1 1 6
(U.S.) WY WYOMING 0 2 2 2 0 6
(U.S.) MI MICHIGAN 3 0 0 2 0 5
(U.S.) NY NEW YORK 1 0 1 2 0 4
(U.S.) AK ALASKA 2 0 0 0 1 3
(U.S.) AL ALABAMA 1 2 0 0 0 3
(U.S.) AZ ARIZONA 1 0 0 0 2 3
(U.S.) CT CONNECTICUT 0 1 2 0 0 3
(U.S.) KS KANSAS 1 0 0 1 1 3
(U.S.) NJ NEW JERSEY 0 0 1 2 0 3
(U.S.) OR OREGON 2 1 0 0 0 3
(U.S.) AR ARKANSAS 1 0 1 0 0 2
(U.S.) MA MASSACHUSETTS 0 0 1 1 0 2
(U.S.) ID IDAHO 0 0 0 1 0 1
(U.S.) MD MARYLAND 0 0 0 1 0 1
(U.S.) MS MISSISSIPPI 1 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 1 0 0 0 0 1
(U.S.) NE NEBRASKA 0 1 0 0 0 1
(U.S.) NH NEW HAMPSHIRE 0 1 0 0 0 1
(U.S.) SC SOUTH CAROLINA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 220 200 173 160 133 886
(Foreign) DEX GERMANY 17 18 23 10 16 84
(Foreign) GBX UNITED KINGDOM 13 19 14 14 12 72
(Foreign) CAX CANADA 16 10 11 10 9 56
(Foreign) JPX JAPAN 2 2 4 4 8 20
(Foreign) NOX NORWAY 5 6 2 6 1 20
(Foreign) SEX SWEDEN 5 3 3 4 3 18
(Foreign) FRX FRANCE 3 4 2 3 5 17
(Foreign) NLX NETHERLANDS 3 1 4 5 4 17
(Foreign) AUX AUSTRALIA 5 3 3 3 1 15
(Foreign) ATX AUSTRIA 2 2 4 4 2 14
(Foreign) BEX BELGIUM 3 2 1 1 2 9
(Foreign) FIX FINLAND 2 2 2 0 2 8
(Foreign) ITX ITALY 0 1 4 0 1 6
(Foreign) ZAX SOUTH AFRICA 1 1 2 0 0 4
(Foreign) MXX MEXICO 1 0 1 0 1 3
(Foreign) NZX NEW ZEALAND 2 1 0 0 0 3
(Foreign) CHX SWITZERLAND 1 0 1 0 0 2
(Foreign) CNX CHINA P.REP. 1 0 1 0 0 2
(Foreign) DKX DENMARK 0 0 1 0 1 2
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 0 1 2
(Foreign) IDX INDONESIA 0 1 1 0 0 2
(Foreign) KRX SOUTH KOREA 0 0 1 1 0 2
(Foreign) LIX LIECHTENSTEIN 1 0 1 0 0 2
(Foreign) TWX TAIWAN 1 0 0 1 0 2
(Foreign) SGX SINGAPORE 0 0 0 1 0 1
(Foreign) UAX UKRAINE 0 0 0 0 1 1
(Foreign) VEX VENEZUELA 0 0 0 1 0 1
(Foreign)   -- Subtotal -- 84 76 87 68 70 385
(ALL) ALL All Regions, U.S. and Foreign 304 276 260 228 203 1271


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

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