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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 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 2005 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 18 820
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 1 51
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 0 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 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 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 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 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 0 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 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 1 20
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 0 18
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 6 16
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 3 16
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 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 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 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 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 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 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 0 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 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 0 12
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 1 12
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 2 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 0 11
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 1 11
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 4 11
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 1 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 0 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 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 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 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 0 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 0 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 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 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 0 9
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 1 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 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 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 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 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 0 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 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 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 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 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 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 0 8
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 2 8
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 1 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 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 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 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 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 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 0 7
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 2 7
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 2 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 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 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 0 6
CREDO TECHNOLOGY 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 0 0 0 0 0 1 5 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 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 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 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 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 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 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 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 0 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 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 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 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 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 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 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 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 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 0 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 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 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 0 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 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 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 0 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 0 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 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 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 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 0 5
RENAULT AUTOMATION COMAU 0 0 0 0 0 0 0 0 0 0 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 1 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 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 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 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 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 0 5


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