TREA

Unequal spacing of cutting edges in the circumferential direction

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Industry

  • CPC
  • B23B2251/282
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23BTURNING BORING B23B2251/00Details of tools for drilling machines

Current Industry

B23B2251/282Unequal spacing of cutting edges in the circumferential direction
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting tool holder, cutting tool, and method of manufacturing mach...
    • Patent number 11,135,659
    • Issue date Oct 5, 2021
    • Kyocera Corporation
    • Shouhei Mao
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill
    • Patent number 10,328,499
    • Issue date Jun 25, 2019
    • BLACK & DECKER INC.
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step bit
    • Patent number 10,245,656
    • Issue date Apr 2, 2019
    • GREENLEE TOOLS, INC.
    • Arthur Anton Piper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill with unequal flute spacing and unequal relief angles
    • Patent number 10,195,675
    • Issue date Feb 5, 2019
    • Kennametal Inc.
    • Stephen Michael George
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill tip and drilling tool having a drill tip
    • Patent number 10,086,444
    • Issue date Oct 2, 2018
    • Kennametal Inc.
    • Jürgen Schwägerl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill bit with variable helical flute
    • Patent number 10,058,929
    • Issue date Aug 28, 2018
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Step drill
    • Patent number 9,687,915
    • Issue date Jun 27, 2017
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Micro-drill and method for manufacturing the micro-drill
    • Patent number 9,468,981
    • Issue date Oct 18, 2016
    • SHENZHEN JINZHOU PRECISION TECHNOLOGY CORP.
    • Jianguo Qu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 9,162,371
    • Issue date Oct 20, 2015
    • Kabushiki Kaisha Mayanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rock drill bit
    • Patent number 8,960,336
    • Issue date Feb 24, 2015
    • Heller Tools GmbH
    • Heinrich Kersten
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary tool, in particular a drill
    • Patent number 8,834,080
    • Issue date Sep 16, 2014
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 8,734,067
    • Issue date May 27, 2014
    • Fuji Jukogyo Kabushiki Kaisha
    • Manabu Saito
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool with unequal flute spacing
    • Patent number 8,734,068
    • Issue date May 27, 2014
    • Kennametal Inc.
    • Tilo Ernst Krieg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 8,444,353
    • Issue date May 21, 2013
    • Milwaukee Electric Tool Corporation
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 8,123,443
    • Issue date Feb 28, 2012
    • Milwaukee Electric Tool Corporation
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling tool
    • Patent number 8,105,001
    • Issue date Jan 31, 2012
    • Kennametal Inc.
    • Ulrich F. Krenzer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 7,637,703
    • Issue date Dec 29, 2009
    • Milwaukee Electric Tool Corporation
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 7,354,229
    • Issue date Apr 8, 2008
    • Union Tool Co.
    • Hideo Wakui
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 5,947,659
    • Issue date Sep 7, 1999
    • Ralph C. Mays
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spiral drill
    • Patent number 4,913,603
    • Issue date Apr 3, 1990
    • Sphinzwerke Muller AG
    • Paul Friedli
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2795979
    • Patent number 2,795,979
    • Issue date Jun 18, 1957
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    CUTTING TOOL HOLDER, CUTTING TOOL, AND METHOD OF MANUFACTURING MACH...
    • Publication number 20180339348
    • Publication date Nov 29, 2018
    • KYOCERA CORPORATION
    • Shouhei MAO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TWIST DRILL WITH UNEQUAL FLUTE SPACING AND UNEQUAL RELIEF ANGLES
    • Publication number 20180250755
    • Publication date Sep 6, 2018
    • Kennametal Inc.
    • Stephen Michael George
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL
    • Publication number 20170259350
    • Publication date Sep 14, 2017
    • Irwin Industrial Tool Company
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL
    • Publication number 20140369776
    • Publication date Dec 18, 2014
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20130266386
    • Publication date Oct 10, 2013
    • Kabushiki Kaisha Miyangaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20120195704
    • Publication date Aug 2, 2012
    • Christopher L. White
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TOOL
    • Publication number 20120155979
    • Publication date Jun 21, 2012
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TOOL WITH UNEQUAL FLUTE SPACING
    • Publication number 20120034043
    • Publication date Feb 9, 2012
    • Kennametal Inc.
    • Tilo Ernst Krieg
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL TIP AND DRILLING TOOL HAVING A DRILL TIP
    • Publication number 20110318128
    • Publication date Dec 29, 2011
    • Jürgen Schwägerl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROCK DRILL BIT
    • Publication number 20110168453
    • Publication date Jul 14, 2011
    • Illinois Tool Works Inc.
    • Heinrich Kersten
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rotary Tool, in Particular a Drill
    • Publication number 20100260567
    • Publication date Oct 14, 2010
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20100247259
    • Publication date Sep 30, 2010
    • Rick Davidian
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill
    • Publication number 20100232899
    • Publication date Sep 16, 2010
    • Manabu Saito
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TOOL
    • Publication number 20100092256
    • Publication date Apr 15, 2010
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Axial Asymmetric Edge Drill
    • Publication number 20090010728
    • Publication date Jan 8, 2009
    • NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF ARGRICULTURE AND TECHNOLOGY
    • Nobuhiko Nishiwaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILLING TOOL
    • Publication number 20080199268
    • Publication date Aug 21, 2008
    • ULRICH F. KRENZER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting tool
    • Publication number 20070212179
    • Publication date Sep 13, 2007
    • Abhijeet Khangar
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill
    • Publication number 20060115339
    • Publication date Jun 1, 2006
    • UNION TOOL CO.
    • Hideo Wakui
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR