Friction clutch

Patents Grantslast 30 patents

  • Information Patent Grant

    Power drill

    • Patent number 9,381,579
    • Issue date Jul 5, 2016
    • Roehm GmbH
    • Peter Schenk
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapping attachment

    • Patent number 8,678,720
    • Issue date Mar 25, 2014
    • Brian John Laakso
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill chuck

    • Patent number 7,850,404
    • Issue date Dec 14, 2010
    • Rohm GmbH
    • Hans-Dieter Mack
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool system that can be coupled to a lathe drive shaft

    • Patent number 6,302,408
    • Issue date Oct 16, 2001
    • Eva-Maria Zierpka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Oscillatory motion device for drill press

    • Patent number 5,769,575
    • Issue date Jun 23, 1998
    • American Machine and Tool Company, Inc.
    • Todd Laverne Stofflet
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clutch for threading attachment

    • Patent number 5,480,270
    • Issue date Jan 2, 1996
    • Delaware Capital Formation, Inc.
    • Thomas J. Read
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tap holder

    • Patent number 4,669,930
    • Issue date Jun 2, 1987
    • S & L Maskin AB
    • Dag Stenmark
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clutch for drilling machine

    • Patent number 4,626,142
    • Issue date Dec 2, 1986
    • Quali-Tech Machine & Engineering Co., Inc.
    • Edward Brin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary tool holder

    • Patent number 4,576,528
    • Issue date Mar 18, 1986
    • Phillip A. Sollami
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Attachment for a vertical milling machine

    • Patent number 4,456,412
    • Issue date Jun 26, 1984
    • Varitork Research Mechanism, Inc.
    • Ronald Ford
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool driving apparatus

    • Patent number 4,378,185
    • Issue date Mar 29, 1983
    • Otto E. Dietrich
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Critical torque detector

    • Patent number 4,304,510
    • Issue date Dec 8, 1981
    • Kenji Machida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Critical torque detector

    • Patent number 4,304,511
    • Issue date Dec 8, 1981
    • Kenji Machida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Critical torque detector

    • Patent number 4,193,720
    • Issue date Mar 18, 1980
    • Kenji Machida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spindle inertia changing apparatus for machining center

    • Patent number 4,124,327
    • Issue date Nov 7, 1978
    • Kabushiki Kaisha Yamazaki Tekkosho
    • Motohiko Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lead screw tapping arrangement for use with self-opening die heads...

    • Patent number 4,115,026
    • Issue date Sep 19, 1978
    • Sloan Valve Company
    • Henry R. Billeter
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Manually operated hand drill

    • Patent number 4,082,473
    • Issue date Apr 4, 1978
    • Theodore Bratsos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tap holder

    • Patent number 4,028,763
    • Issue date Jun 14, 1977
    • Al Jenner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapper incorporating reverse rotation mechanism

    • Patent number 3,998,565
    • Issue date Dec 21, 1976
    • Daisyowa Seiki Co., Ltd.
    • Yuzuru Tanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3909151

    • Patent number 3,909,151
    • Issue date Sep 30, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3908492

    • Patent number 3,908,492
    • Issue date Sep 30, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3816016

    • Patent number 3,816,016
    • Issue date Jun 11, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3717892

    • Patent number 3,717,892
    • Issue date Feb 27, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3706506

    • Patent number 3,706,506
    • Issue date Dec 19, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3690782

    • Patent number 3,690,782
    • Issue date Sep 12, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3380264

    • Patent number 3,380,264
    • Issue date Apr 30, 1968
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3350731

    • Patent number 3,350,731
    • Issue date Nov 7, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3259159

    • Patent number 3,259,159
    • Issue date Jul 5, 1966
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3254353

    • Patent number 3,254,353
    • Issue date Jun 7, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3214773

    • Patent number 3,214,773
    • Issue date Nov 2, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER DRILL

    • Publication number 20140377025
    • Publication date Dec 25, 2014
    • Peter SCHENK
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tapping attachment

    • Publication number 20120087754
    • Publication date Apr 12, 2012
    • Brian John Laakso
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill chuck

    • Publication number 20070182108
    • Publication date Aug 9, 2007
    • ROHM GmbH
    • Hans-Dieter Mack
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR