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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 409, Gear Cutting, Milling, or Planing

( 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 26 31 26 26 33 26 17 21 18 13 18 18 13 11 8 21 38 25 23 27 31 20 18 18 14 17 18 27 29 25 31 18 21 20 16 802
GLEASON WORKS 1 6 6 2 0 0 0 2 0 0 0 5 2 1 0 1 0 0 0 0 0 0 1 3 2 1 0 1 1 4 4 2 2 1 1 1 50
TOSHIBA MACHINE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 3 1 4 1 0 0 0 4 2 2 4 2 1 5 33
KENNAMETAL INC. 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 2 2 0 3 4 2 1 1 0 2 2 2 0 0 1 1 0 26
KEARNEY + TRECKER CORPORATION 3 0 1 1 1 0 0 0 0 0 1 3 2 0 2 1 2 1 0 1 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 22
CARL HURTH MASCHINEN UND ZAHNRADFABRIK GMBH 0 1 0 2 0 0 1 1 0 3 1 1 2 2 0 1 3 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
CHIRON-WERKE GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 3 1 1 0 1 1 0 0 2 3 0 2 1 1 0 21
FANUC LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 2 0 0 0 2 0 1 1 0 2 2 0 2 0 1 1 0 1 21
LEAR SIEGLER, INC. 1 0 2 3 2 2 1 2 1 2 1 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
BOEING COMPANY 0 0 1 0 1 0 0 1 0 0 0 0 0 0 2 0 1 1 0 1 1 2 0 1 1 0 0 0 0 1 0 1 1 1 1 1 19
BLACK & DECKER INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 1 0 3 1 2 0 2 2 1 1 1 18
FRIEDRICH DECKEL AKTIENGESELLSCHAFT 1 2 2 1 0 1 3 0 3 1 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 15
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 2 2 0 0 3 1 0 1 1 0 0 14
KABUSHIKI KAISHA KOMATSU SEISAKUSHO 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 1 0 0 2 0 0 0 0 1 0 0 1 3 1 2 0 0 0 0 0 0 14
GEBRUEDER HELLER MASCHINENFABRIK GMBH 0 0 0 0 0 0 0 0 1 2 2 1 0 2 0 0 1 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 13
HIPOPE LIMITED 2 4 3 0 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 0 0 13
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 1 0 4 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
S-B POWER 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 0 0 0 3 2 0 1 2 3 2 13
SANDVIK AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 2 0 0 1 0 0 1 1 1 1 1 0 0 1 13
WERKZEUGMASCHINENFABRIK OERLIKON-BUHRLE AG 0 0 0 0 0 0 0 0 1 2 0 2 0 3 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 13
BROTHER KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 1 0 2 0 0 2 0 2 0 0 0 0 1 12
CINCINNATI MILACRON INC. 0 1 2 3 1 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 11
GENERAL ELECTRIC COMPANY 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 1 0 1 2 0 0 0 0 0 2 0 1 0 0 11
TOYODA KOKI KABUSHIKI KAISHA 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 3 0 1 0 1 0 0 0 0 0 1 0 0 0 2 0 0 0 1 11
CATERPILLAR INC. 1 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 0 1 0 0 0 0 10
GFM GESELLSCHAFT FUR FERTIGUNGSTECHNIK UND MASCHINENBAU AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 1 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 10
HORKOS 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 1 1 2 0 0 0 4 2 10
JOBS S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 2 1 1 0 0 0 0 0 0 0 2 0 10
KITAMURA MACHINERY CO., LTD. 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 1 0 1 1 0 0 1 0 1 0 10
NITTO KOHKI COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 3 0 0 0 0 0 0 0 0 1 0 0 0 0 10
NOVATOR 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 1 0 2 1 0 1 1 4 10
RYOBI MOTOR PRODUCTS CORP. 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 3 0 0 0 0 0 0 0 0 0 0 10
THERMWOOD 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 2 1 2 1 0 2 0 1 0 1 10
EXCELLO CORPORATION 0 0 0 0 0 2 2 0 0 2 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
FORD MOTOR COMPANY 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 0 0 1 2 0 0 0 0 0 0 0 0 0 0 9
HERMANN PFAUTER GMBH & CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 2 0 1 0 0 0 0 0 2 0 0 0 0 0 0 9
WERKZEUGMASCHINENFABRIK ADOLF WALDRICH COBURG GMBH & CO. 0 0 1 2 0 0 1 0 0 0 0 0 0 0 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
BIRD ISLAND INC. 0 0 2 2 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 0 0 0 8
BOEHRINGER WERKZEUGMASCHINEN GMBH 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 0 0 0 0 1 0 0 2 0 2 0 8
GENERAL MOTORS CORPORATION 0 0 0 0 1 2 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 8
ILLINOIS TOOL WORKS INC. 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 2 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 8
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 0 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 1 0 1 1 0 1 0 1 8
INGERSOLL MILLING MACHINE COMPANY 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 8
KOMET STAHLHALTER- UND WERKZEUGFABRIK ROBERT BREUNING GMBH 0 0 0 0 0 0 0 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 8
MAAG GEAR-WHEEL & MACHINE COMPANY LIMITED 0 0 0 0 1 0 0 0 0 0 1 0 2 0 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 8
MAHO AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 1 0 0 2 0 0 0 0 0 0 0 0 0 0 8
POWER TOOL HOLDERS, 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 3 4 1 0 0 0 8
REGIE NATIONALE DES USINES RENAULT 0 0 0 0 2 2 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 8
UNITED TECHNOLOGIES CORPORATION 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 1 2 1 0 0 0 8
USX CORPORATION 3 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 8
BABCOCK & WILCOX COMPANY 1 0 1 0 0 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 7
BARBER-COLMAN COMPANY 1 0 0 0 1 0 0 0 0 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 7
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIE GMBH 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
LIND FINANCE & DEVELOPMENT 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 6 1 0 7
PORTER-CABLE 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 5 1 0 0 0 7
TEXTRON INC. 0 0 1 0 0 1 0 0 2 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 7
TOYOTA JIDOSHA K.K. 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 7
WESTINGHOUSE ELECTRIC CORP. 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 7
BENDIX CORPORATION(NOW ALLIED-SIGNAL INC.) 0 0 1 2 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 0 0 0 0 0 0 0 6
GIDDINGS + LEWIS, INC. 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 1 3 0 1 0 0 0 0 0 0 6
GTE VALENITE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 6
GTE VALERON CORPORATION 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 6
HERTEL AG WERKZEUGE & HARTSTOFFE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
HOUDAILLE INDUSTRIES, INC. 0 1 0 1 0 1 1 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
J. D. PHILLIPS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
OSWALD FORST MASCHINENFABRIK UND APPARATEBAUANSTALT GMBH 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 6
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 6
SECO TOOLS 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 1 0 0 1 1 0 0 2 0 1 6
SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 6
AMADA COMPANY, LIMITED 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 2 0 0 0 0 0 0 0 0 5
CARBOLOY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
COLE NATIONAL CORPORATION 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 0 0 0 0 0 0 5
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
CROSS COMPANY 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 5
GOTTLIEB GUHRING KG 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 1 1 0 0 0 0 0 0 0 0 5
HITACHI SEIKO LTD. 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 0 0 0 0 0 0 0 0 0 0 5
HULLER HILLE 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 2 0 1 1 5
INNOCENTI SOCIETA GENERALE PER L INDUSTRIA METALLURGICA E 1 1 2 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 5
KURT MANUFACTURING COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 5
MACHINE TOOL DIVISIONAL SERVICES LIMITED 0 0 0 0 0 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 0 0 0 0 0 5
MAKINO MILLING MACHINE CO., 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 1 0 0 0 0 1 0 0 2 1 5
MASCHINENFABRIK LORENZ AG 0 0 1 0 0 2 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 0 5
MCDONNELL DOUGLAS CORP. 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
MITSUBISHI HEAVY INDUSTRIES, 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 1 2 0 1 0 1 5
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 1 0 0 0 0 0 0 1 0 2 1 0 0 5
MORI SEIKI CO., LTD. 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 0 0 1 1 1 5
MORTON THIOKOL, INC. 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 1 1 0 0 0 0 0 0 0 5
NEW BRITAIN MACHINE COMPANY 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 0 0 0 0 0 0 5
NEW HERMES ENGRAVING CORPORATION 0 0 3 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 5
OKUMA 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 1 3 0 0 1 0 0 0 5
ROHM GMBH 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 0 0 0 0 1 1 2 0 5
SANTRADE LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 5
WERA WERK HERMANN WERNER GMBH & CO. KG 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 1 0 1 0 0 0 0 0 5
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 0 1 1 0 1 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 0 0 0 0 5


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