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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 Organization

Count of 1969 - 2005 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 173, Tool Driving or Impacting

( 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 Total
~Individually Owned Patent 40 25 47 26 49 44 26 33 25 28 13 19 20 18 13 14 16 23 23 15 36 17 22 20 9 14 16 15 15 28 20 28 15 10 21 24 19 846
BLACK & DECKER INC. 5 1 2 4 3 4 1 0 0 1 0 0 1 2 3 6 3 1 1 1 0 1 2 2 0 0 3 1 2 3 1 3 16 6 5 13 6 103
INGERSOLL-RAND COMPANY 8 9 11 6 2 0 0 0 3 1 0 0 2 1 0 2 3 1 2 2 1 0 1 4 7 6 4 5 3 3 2 1 1 3 2 1 2 99
ROBERT BOSCH GMBH 1 0 1 2 3 5 3 4 3 8 0 2 3 2 2 5 3 2 2 4 0 0 1 1 1 4 2 1 2 2 3 2 1 1 1 11 7 95
ATLAS COPCO AB 6 1 11 7 2 6 5 4 3 8 4 1 3 2 3 3 5 3 6 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 89
HILTI AKTIENGESELLSCHAFT 0 1 1 0 2 0 1 0 2 0 0 3 0 1 1 4 2 1 3 3 3 1 2 2 1 1 0 1 1 5 3 3 2 5 12 12 9 88
CHICAGO PNEUMATIC TOOL COMPANY 3 1 5 2 1 2 5 3 2 2 2 0 0 1 0 0 0 0 1 0 0 1 0 2 0 2 1 1 2 1 4 4 5 0 2 2 2 59
GARDNER-DENVER COMPANY 3 4 3 4 4 3 7 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 0 0 0 35
MAKITA 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 5 0 0 1 4 3 3 5 1 4 3 3 35
ATLAS COPCO TOOLS AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 0 0 2 3 2 5 4 0 1 2 3 2 31
DRESSER INDUSTRIES, INC. 2 0 1 1 5 2 2 0 2 0 1 0 3 3 0 2 0 0 0 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 29
OY TAMPELLA AB 0 0 0 1 1 0 0 1 2 0 0 0 1 1 3 0 0 3 3 2 4 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
HITACHI KOKI COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 2 1 0 1 1 1 2 1 0 2 0 0 3 3 4 24
JOY MANUFACTURING COMPANY 1 0 0 0 1 0 1 3 1 3 1 2 4 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
HUGHES TOOL COMPANY 1 2 0 1 2 0 0 3 1 2 1 0 2 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
COOPER INDUSTRIES INC. 0 0 1 0 0 0 0 0 0 0 0 1 4 1 1 2 0 1 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 15
STANLEY WORKS 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 2 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 1 1 0 0 14
INSTITUT GORNOGO DELA SIBIRSKOGO OIDELENIA AKADEMII NAUK SSS 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 3 4 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
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 3 1 0 1 0 3 4 1 0 0 0 0 13
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 1 0 3 2 0 0 1 0 0 2 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
WACKER-WERKE KG 0 1 0 1 0 1 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 4 3 0 0 0 0 12
SANDVIK AKTIEBOLAG 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 2 0 3 0 0 0 11
SKIL CORPORATION 1 0 0 0 0 5 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 11
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 1 0 0 0 1 3 1 0 0 0 1 0 0 0 3 10
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 0 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 0 0 0 0 0 2 0 1 5 10
NIPPON PNEUMATIC MANUFACTURING CO., LTD. 0 0 0 0 0 0 1 1 1 0 0 1 0 0 1 0 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 10
ROBBINS COMPANY 0 0 0 0 5 3 0 1 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 10
THOR POWER TOOL COMPANY 0 0 0 0 0 0 3 2 1 3 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 10
CATERPILLAR INC. 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 2 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 9
MILWAUKEE ELECTRIC TOOL CORPORATION 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 1 2 1 2 0 1 0 0 0 0 9
RAYMOND INTERNATIONAL INC. 0 0 0 0 0 0 1 2 3 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 9
REED TOOL COMPANY 0 1 0 0 0 2 1 1 1 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 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 4 0 2 1 2 9
SNAP-ON TOOLS CORPORATION 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 1 4 2 0 0 0 0 9
SPS TECHNOLOGIES, INC. 0 0 0 0 0 0 0 2 3 0 0 1 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
VAN KOOTEN B.V. 0 0 0 0 0 0 0 0 1 7 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 9
ALLIED STEEL + TRACTOR PRODUCTS, INCORPORATED 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 8
ATLAS COPCO BEREMA AKTIEBOLAG 0 0 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 5 1 0 0 0 0 0 8
CENTRAL MINE EQUIPMENT COMPANY 0 1 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8
DELMAG-MASCHINENFABRIK REINHOLD DORNFELD 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 8
HOLLANDSCHE BETON GROEP N.V. 0 0 0 0 0 1 0 0 1 1 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 8
KOEHRING GMBH-BOMAG DIVISION 0 0 0 0 0 0 0 0 1 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 8
RICHMOND MANUFACTURING COMPANY 0 0 2 1 0 0 3 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 8
VULCAN IRON WORKS INC. 1 1 1 1 0 2 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 8
BAKER INTERNATIONAL CORP. 0 0 1 1 3 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 7
HELIFIX 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 1 1 0 0 2 2 1 0 0 0 7
KIORITZ CORPORATION 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 1 0 0 0 1 0 0 1 0 1 0 1 7
MAKITA ELECTRIC WORKS, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 7
S.P. AIR KABUSHIKI KAISHA 0 0 0 0 0 0 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 2 1 7
WACKER CONSTRUCTION EQUIPMENT AG 0 0 0 0 0 0 0 0 0 0 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 4 7
ARO CORPORATION 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
AT&T CORP. 1 0 1 1 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 6
BAKERDRILL, INC. 0 0 0 0 0 0 2 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 0 0 0 0 0 6
BOEING COMPANY 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 0 0 0 0 0 1 2 6
ILLINOIS TOOL WORKS INC. 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 6
KABUSHIKI KAISHA KOMATSU SEISAKUSHO 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
LICENTIA PATENT-VERWALTUNGS-GMBH 0 0 0 0 0 0 1 1 0 2 1 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 6
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 6
MAZDA MOTOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
METABOWERKE GMBH & CO. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 6
SNAP-ON 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 1 0 0 1 0 4 0 0 6
ATLAS COPCO ROCK DRILL 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 1 0 0 0 0 1 2 1 5
BRETEC 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 2 1 0 1 0 1 0 0 0 0 0 0 5
GENERAL MOTORS CORPORATION 1 0 0 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 5
HYDROACOUSTICS INC. 0 0 0 0 0 0 3 0 0 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 5
KANGO ELECTRIC HAMMERS LIMITED 1 1 0 0 0 0 1 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 5
MARQUETTE METAL PRODUCTS CO. 0 0 0 0 0 0 0 0 0 1 1 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 5
MINING EQUIPMENT DIVISION, FMC CORPORATION 0 0 0 0 0 0 1 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 5
NITTO KOHKI COMPANY LIMITED 0 0 0 1 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 1 1 0 1 0 0 0 5
ROBBINS, JAMES S., AND ASSOCIATES, INC. 2 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 5
RYOBI, 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 3 0 0 1 0 0 0 1 0 0 0 0 5
SMITH INTERNATIONAL INC. 0 0 0 0 0 0 0 2 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 5
SOCIETE ANONYME POCLAIN LE PLESSIS-BELLEVILLE OISE 0 0 0 0 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 5
STEEL ENGINEERING COMPANY LIMITED 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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