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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 Organization

Count of 1969 - 2004 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 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 24 827
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 97
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 97
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 89
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 88
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 79
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 57
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 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 32
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 29
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 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 27
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 22
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 20
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 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 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 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 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 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 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 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 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 11
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 7
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 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 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 7
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 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 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 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 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 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 6
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 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 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 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 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 6
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 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 6
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 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 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 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 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 5
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
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 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 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 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 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 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 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 5


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