Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

EXTENDED YEAR SET - Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2013 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents 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 ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Total
~INDIVIDUALLY OWNED PATENT 61 34 48 54 38 51 37 29 35 57 30 46 50 29 52 54 51 41 35 40 50 50 52 52 36 44 46 45 29 53 45 42 49 39 37 33 33 34 53 47 58 67 37 50 41 1994
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 14 13 11 22 11 19 14 17 32 32 43 29 27 15 13 26 22 20 35 55 70 62 47 656
SMITH INTERNATIONAL INC. 0 1 4 6 3 8 2 7 7 17 11 19 28 5 7 9 9 8 7 5 8 4 8 7 1 16 10 9 8 9 10 10 26 25 38 27 12 25 23 40 21 50 36 20 28 634
SCHLUMBERGER TECHNOLOGY CORPORATION 9 11 4 7 2 1 4 4 1 0 0 3 0 0 1 0 4 1 4 1 3 2 3 3 1 5 4 5 4 2 2 7 6 15 7 9 6 12 11 12 10 32 48 37 42 345
HALLIBURTON ENERGY SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3 5 19 22 15 17 19 27 16 19 17 7 17 18 17 240
DRESSER INDUSTRIES, INC. 2 0 6 10 12 8 5 12 8 1 9 10 13 2 5 6 6 4 4 4 3 1 7 2 3 2 8 7 5 12 6 10 10 2 0 0 0 0 0 0 0 0 0 0 0 205
SHELL OIL COMPANY 6 4 4 3 9 3 2 0 0 1 1 0 1 2 0 2 2 3 2 2 6 2 2 4 0 1 0 1 0 2 1 1 2 1 2 4 3 6 10 11 5 3 1 6 3 124
WEATHERFORD/LAMB, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 2 1 3 6 4 4 13 22 11 4 1 8 5 6 6 99
HUGHES TOOL COMPANY 5 2 0 1 3 2 4 5 1 2 0 2 5 4 7 3 7 9 12 7 2 6 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 92
HILTI AKTIENGESELLSCHAFT 0 0 0 2 0 0 0 0 1 0 1 1 0 0 3 4 1 0 0 1 0 4 2 2 1 0 1 4 2 4 0 5 3 4 13 4 3 3 3 0 8 1 1 3 0 85
SANDVIK AKTIEBOLAG 0 0 0 0 1 0 0 0 2 0 0 4 9 0 2 0 1 0 0 1 0 1 1 1 1 4 2 2 1 3 12 13 7 3 3 1 3 0 0 0 0 0 0 0 0 78
U.S. SYNTHETIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3 1 2 0 0 0 0 0 0 0 8 8 16 12 18 69
VERMEER MANUFACTURING COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 3 2 5 13 8 5 4 3 3 1 2 5 2 4 3 68
CHARLES MACHINE WORKS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 2 3 2 2 2 1 3 1 2 5 0 2 5 2 6 4 9 4 2 2 2 1 66
INGERSOLL-RAND COMPANY 4 3 3 1 2 3 2 2 2 1 0 0 0 0 1 1 2 1 1 2 3 2 2 4 3 1 3 4 3 4 0 1 2 1 0 2 0 0 0 0 0 0 0 0 0 66
KENNAMETAL INC. 0 2 1 1 2 4 4 1 0 1 0 0 0 3 0 0 2 1 1 1 2 1 0 3 2 3 3 0 0 3 3 3 2 0 2 1 4 0 3 0 1 1 3 0 0 64
ATLANTIC RICHFIELD COMPANY 1 1 3 5 5 4 0 0 0 0 0 0 0 1 1 2 2 2 6 3 0 2 1 4 5 3 3 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 58
CONOCO, INC. 1 1 0 0 3 3 5 4 1 1 1 1 3 0 3 3 1 0 1 2 2 2 3 0 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 49
EXXON PRODUCTION RESEARCH COMPANY 1 7 3 6 3 2 1 2 1 2 1 1 2 0 0 2 2 1 2 2 0 1 0 1 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 47
INSTITUT FRANCAIS DU PETROLE 2 1 1 1 3 1 1 0 0 0 0 3 3 1 1 0 0 0 0 1 3 1 2 1 3 4 3 1 1 1 0 2 1 0 0 0 0 1 1 0 0 0 0 0 0 44
MOBIL OIL CORP. 5 4 2 1 2 1 0 0 0 0 1 1 1 2 4 7 1 4 3 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
REED TOOL COMPANY 0 2 0 3 4 2 2 2 4 1 0 1 3 0 0 0 1 4 3 2 5 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
HALLIBURTON CO. 0 0 0 1 0 0 1 0 2 0 1 0 0 1 0 1 3 3 6 0 1 1 1 3 2 4 1 2 4 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 41
CAMCO DRILLING GROUP LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 1 2 5 13 9 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 40
AMOCO CORPORATION 0 0 0 0 0 0 0 0 1 2 2 1 2 1 2 2 0 0 3 1 5 5 4 1 2 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
LONGYEAR TM, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 17 7 8 38
M-I L.L.C 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 5 3 1 3 1 3 1 2 1 4 2 3 3 37
CAMCO INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 3 4 1 4 4 5 4 3 1 0 0 0 0 0 0 0 0 0 0 0 35
BAKER INTERNATIONAL CORP. 0 0 3 4 3 4 1 0 1 1 0 0 1 0 1 3 4 3 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
VARCO I/P, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 6 5 5 5 2 1 0 0 34
CHRISTENSEN, INC. 0 0 0 0 0 0 0 0 1 3 0 4 6 6 1 6 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
CAMCO INTERNATIONAL (UK) LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 18 2 7 0 0 0 0 0 0 0 0 0 0 0 32
WESTERN WELL TOOL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 7 0 4 2 4 3 3 3 1 0 0 0 30
HAWERA PROBST GMBH & CO. 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 1 3 2 3 5 1 0 0 0 1 1 0 1 0 0 3 1 0 1 2 0 0 0 0 0 0 0 0 29
NORTON CHRISTENSEN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 12 11 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 28
EASTMAN CHRISTENSEN CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 9 5 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
BAROID TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 1 6 3 4 1 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 26
MERLIN TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 4 2 5 1 2 2 3 1 4 26
SANDVIK INTELLECTUAL PROPERTY AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 6 4 2 2 2 5 0 25
VAREL INTERNATIONAL IND., L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 8 12 24
ATLAS COPCO AB 0 1 1 2 1 1 4 5 0 1 0 2 0 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 23
TESCO CORP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 4 0 2 5 4 2 4 0 23
NL INDUSTRIES INC. 0 1 1 0 1 0 0 0 1 0 0 0 1 1 0 1 4 2 6 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
GULF RESEARCH AND DEVELOPMENT COMPANY 5 5 3 2 1 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
ATLAS COPCO ROCK DRILLS AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 5 7 2 4 20
CDX GAS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7 1 3 4 3 0 0 0 0 0 0 20
EARTH TOOL COMPANY, L.L.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 5 5 4 1 0 0 0 0 0 0 0 1 0 20
NATIONAL-OILWELL VARCO, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 6 2 5 20
REED ROCK BIT COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 3 5 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 1 5 3 2 3 1 0 0 0 0 0 1 0 0 0 0 20
STRATA BIT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 4 2 3 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
TEXACO INC. 0 0 2 2 1 5 1 0 0 0 0 1 0 0 0 0 0 1 2 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
UNION OIL COMPANY OF CALIFORNIA 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 1 0 2 0 2 6 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
BAUER MASCHINEN GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 4 1 3 2 3 0 2 17
GENERAL ELECTRIC COMPANY 3 0 0 0 1 0 0 0 0 2 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 1 0 0 0 0 0 0 0 1 0 0 1 1 17
UNITED STATES OF AMERICA, NAVY 2 1 1 3 0 2 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 16
ATLAS COPCO SECOROC LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 4 5 15
CHRISTENSEN DIAMOND PRODUCTS COMPANY 3 1 3 0 4 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 3 4 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 15
MAURER ENGINEERING INC. 0 0 0 0 0 0 0 0 0 4 0 2 1 1 1 0 0 1 1 0 1 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 15
NL PETROLEUM PRODUCTS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 4 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
PHILLIPS PETROLEUM COMPANY 0 0 1 0 1 1 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 15
SANDVIK MINING AND CONSTRUCTION OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 2 4 4 15
SANTRADE LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 1 4 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
SUN OIL COMPANY OF PENNSYLVANIA 0 2 3 2 1 1 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
APS TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 2 2 0 2 1 2 1 13
CAMPAGNIE FRANCAISE DES PETROLES, SOCIETE ANONYME 0 0 0 4 1 1 2 2 0 0 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
DAILEY PETROLEUM SERVICES CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 0 1 0 0 2 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
PDTI HOLDINGS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 3 2 13
SANDVIK ROCK TOOLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 2 1 2 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 13
TRACTO-TECHNIK GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3 2 2 0 0 3 1 0 13
CANRIG DRILLING TECHNOLOGY LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3 1 2 5 12
DIAMOND PRODUCTS INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 1 3 0 0 0 0 0 0 0 0 0 0 0 12
LONGYEAR COMPANY 0 0 0 0 0 1 1 1 0 0 0 0 2 0 0 0 0 0 0 0 3 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
NOBLE DRILLING SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 0 1 2 2 1 0 0 0 0 0 0 12
ROBBINS COMPANY 0 0 0 0 1 0 1 1 0 0 0 1 1 1 1 0 0 0 1 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 1 1 0 0 1 1 1 0 0 0 0 2 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 12
WIRTH MASCHINEN-UND BOHRGERATE-FABRIK GMBH 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 0 0 0 0 0 0 1 1 0 0 0 12
ABB VETCOGRAY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 1 0 0 1 1 2 1 0 0 1 0 0 0 0 0 0 0 0 11
ANDERGAUGE LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 0 0 1 0 1 0 2 0 0 0 11
CHEVRON RESEARCH & TECHNOLOGY CO. 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
J. H. FLETCHER & CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 5 1 0 1 0 2 11
REED TOOL COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
ROCK BIT INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 0 0 0 0 0 2 1 0 1 2 1 0 0 0 0 0 0 0 11
WWT INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 2 11
BOWEN TOOLS, INC. 0 0 3 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
DIGITAL CONTROL INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 3 1 0 0 0 0 0 0 0 0 0 0 10
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
EXXONMOBIL UPSTREAM RESEARCH COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 0 1 2 0 3 10
HYDRIL COMPANY L.P. 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 10
NATIONAL-OILWELL, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 0 0 0 0 0 10
PATHFINDER ENERGY SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 4 0 0 0 0 0 10
RICHMOND MANUFACTURING COMPANY 0 0 2 1 0 1 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
SMF INTERNATIONAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 0 0 0 0 0 10
TAMROCK OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
TERRA AG FUR TIEFBAUTECHNIK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 2 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 10
VAREL MANUFACTURING COMPANY 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 1 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
WESTERN ATLAS INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 2 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
ATLAS COPCO CRAELIUS AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 2 1 0 0 0 0 0 1 0 0 9
DENNIS TOOL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 9
DRILEX SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
ENGINEERING ENTERPRISES, INC. 0 0 0 0 0 0 0 2 2 0 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
FANSTEEL INC. 0 0 0 0 0 1 0 0 0 1 1 3 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
OY TAMPELLA AB 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
SANDVIK TAMROCK OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 1 1 1 0 0 0 0 0 0 9
VARCO INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 9
WALKER-NEER MFG. CO., INC. 0 2 0 1 0 0 0 0 1 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
CITIES SERVICE COMPANY 0 0 0 0 0 5 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
DEN NORSKE STATS OLJESELSKAP A.S. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 3 0 0 0 1 1 0 0 0 0 0 0 0 0 0 8
FLOWMOLE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
GLOBAL MARINE PERFORMANCE, INC. 1 1 2 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
INSTITUT GORNOGO DELA SIBIRSKOGO OIDELENIA AKADEMII NAUK SSS 0 0 0 2 1 0 0 0 0 0 2 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
PENGO CORPORATION 0 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 8
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 0 0 8
UNIROC AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 8
VETCO GRAY INC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 0 0 8
"ALWAG" TUNNELAUSBAU GESELLSCHAFT M.B.H 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 0 0 1 0 0 7
AMERICAN COLDSET CORPORATION 0 0 2 0 0 1 1 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
BECOR WESTERN, INC. 0 0 0 0 4 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
BLACK & DECKER INC. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 7
CANADIAN DOWNHOLE DRILL SYSTEMS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 7
FRANK'S CASING CREW & RENTAL TOOLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 0 0 1 1 0 0 1 7
GARDNER-DENVER COMPANY 1 0 1 1 1 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
GTE LABORATORIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
INCO LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
MITSUBISHI MATERIALS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 7
OTIS ENGINEERING CORPORATION 0 0 0 0 0 0 0 0 1 2 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SERVCO COMPANY, A DIVISION OF SMITH INTERNATIONAL, INC. 0 0 1 1 1 1 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SMART STABILIZER SYSTEMS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 1 1 1 7
SOLETANCHE SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TDY INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 1 7
TONE BORING COMPANY LIMITED 0 1 0 0 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TRI-STATE OIL TOOL INDUSTRIES, INC. 0 0 0 0 0 1 0 0 0 1 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
UNITED STATES OF AMERICA, ARMY 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 7
VAREL INTERNATIONAL, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 1 0 0 0 0 0 0 0 7
VECTOR MAGNETICS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 7
ANADRILL INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
AT&T CORP. 1 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
BOART LONGYEAR INTERNATIONAL HOLDINGS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 1 1 0 0 0 0 0 0 0 0 0 0 6
CARMET COMPANY 0 0 2 0 0 0 0 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
CHEVRON U.S.A. INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 1 0 2 6
COMPAGNIE DU SOL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 1 0 0 0 0 6
DHT TECHNOLOGIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 6
DIAMANT BOART SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
DIAMOND OIL WELL DRILLING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
FISCHERWERKE ARTUR FISCHER GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
GAS TECHNOLOGY INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 1 0 0 0 6
HARNISCHFEGER TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 6
INTELLISERV, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5 0 0 0 0 0 0 6
KABUSHIKI KAISHA MIYANAGA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 0 6
OMNI IP LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 1 0 6
OWEN OIL TOOLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
SALEM TOOL COMPANY 0 0 0 0 1 0 2 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SHELL OFFSHORE INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 6
SIMULPROBE TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SMITH INDUSTRIES INTERNATIONAL INC. 3 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SOILMEC S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 2 6
STANDARD OIL CORPORATION (INDIANA) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SUMITOMO METAL MINING COMPANY LIMITED 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TELECO OILFIELD SERVICES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TETRA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 3 0 0 0 0 6
TEXAS DYNAMATICS INC. 0 0 0 0 0 0 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TIGRE TIERRA, INC. 0 0 0 0 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TRACTO-TECHNIK GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 6
TT TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 1 6
UNDERGROUND TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
VECTOR MAGNETICS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 1 0 0 1 0 6
WESTERN ROCK BIT CO., LTD. 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ASTEC INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 5
ATBALANCE AMERICAS LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 5
ATLAS COPCO SECOROC AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 0 5
BAUER SPEZIALTIEFBAU GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 5
BJ SERVICES CO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 0 1 0 0 0 0 0 0 0 5
BOYLES BROS. DRILLING COMPANY 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BYRON JACKSON INC. 1 1 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CAMERON IRON WORKS, INC. 3 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CHERRINGTON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CONOCOPHILLIPS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 1 5
CORPRO SYSTEMS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 2 0 5
CUMMINS ENGINE CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DELMAG-MASCHINENFABRIK REINHOLD DORNFELD 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 5
EAGLE ROCK MANUFACTURING, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 5
FMC CORPORATION 0 1 0 0 1 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GEBRUDER BUHLER AG 0 2 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HALLIBURTON LOGGING SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HARD ROCK DRILLING & FABRICATION, L.L.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 5
HOUSTON ENGINEERS, INC. 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
JAPAN NATIONAL OIL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 5
JET RESEARCH CENTER, INC. 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
JOY MANUFACTURING COMPANY 0 0 0 0 0 1 0 1 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
KINGDREAM PUBLIC LTD. CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 0 0 0 0 0 1 5
LAWRENCE MANUFACTURING COMPANY 1 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MARATHON OIL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 5
METHANE DRAINAGE VENTURES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MINROC TECHNICAL PROMOTIONS LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 5
MOBILE DRILLING COMPANY INC. 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NORTON COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NUMA TOOL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 5
PARTICLE DRILLING TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 5
PATTON CONSULTING, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 5
PRESSSOL LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 5
RAPIDEX, INC. 0 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
RATTLER TOOLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 1 0 1 0 0 0 5
REEDHYCALOG, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 0 0 0 5
SDG, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 5
SLIMDRIL INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SMART DRILLING AND COMPLETION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 2 0 0 0 0 0 0 0 0 5
STRATALOC TECHNOLOGY PRODUCTS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 1 0 0 5
TECHMO ENTWICKLUNGS-UND VERTRIEBS GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 1 0 0 0 0 0 0 0 0 5
TEMPRESS TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 1 5
TRW INC. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
TURMAG TURBO-MASCHINEN-AG NUSSE & GRAFER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
VITRUVIAN EXPLORATION, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 5



PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports