TREA

Cutting edges having different lengths

Follow

Industry

  • CPC
  • B23B2251/287
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

B23B2251/287Cutting edges having different lengths
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit for drilling laminates
    • Patent number 10,183,343
    • Issue date Jan 22, 2019
    • Walter AG
    • Edwin Roth
    • 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

    Drilling tool and method for drilling
    • Patent number 9,248,511
    • Issue date Feb 2, 2016
    • Kennametal Inc.
    • Bernhard Walter Borschert
    • 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

    Hole cutter
    • Patent number 8,807,886
    • Issue date Aug 19, 2014
    • Omi Kogyo Co., Ltd.
    • Shohei Omi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 7,540,341
    • Issue date Jun 2, 2009
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throwaway tip and holder for holding the same
    • Patent number 6,447,222
    • Issue date Sep 10, 2002
    • Kyocera Corporation
    • Yoshihide Kojima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throwaway tip and drill holder
    • Patent number 6,406,226
    • Issue date Jun 18, 2002
    • Kyocera Corporation
    • Yoshihide Kojima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Metal cutting drill with insert having radially overlapping cutting...
    • Patent number 6,019,553
    • Issue date Feb 1, 2000
    • Sandvik, Inc.
    • Anthony Yakamavich
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit of the twist drill type
    • Patent number 5,380,133
    • Issue date Jan 10, 1995
    • Emhart Inc.
    • Walter Schimmer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill comprised of hard metal for drilling contact holes in circuit...
    • Patent number 4,231,692
    • Issue date Nov 4, 1980
    • Siemens Aktiengesellschaft
    • Bernhard Brabetz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of producing holes free of accretions in circuit boards made...
    • Patent number 4,190,386
    • Issue date Feb 26, 1980
    • Siemens Aktiengesellschaft
    • Bernhard Brabetz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary drill bit for hand-held power drills
    • Patent number 4,189,266
    • Issue date Feb 19, 1980
    • George Koslow
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2576664
    • Patent number 2,576,664
    • Issue date Nov 27, 1951
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2396335
    • Patent number 2,396,335
    • Issue date Mar 12, 1946
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1000067
    • Patent number 1,000,067
    • Issue date Aug 8, 1911
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILL BIT FOR DRILLING LAMINATES
    • Publication number 20180065190
    • Publication date Mar 8, 2018
    • WALTER AG
    • Edwin ROTH
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HOLE CUTTER
    • Publication number 20120087755
    • Publication date Apr 12, 2012
    • OMI KOGYO CO., LTD.
    • Shohei Omi
    • 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

    Drilling Tool and Method for Drilling
    • Publication number 20100221078
    • Publication date Sep 2, 2010
    • Kennametal Inc.
    • Bernhard Walter Borschert
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting segment tip
    • Publication number 20050235798
    • Publication date Oct 27, 2005
    • Christoph Weber
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill bit
    • Publication number 20050205306
    • Publication date Sep 22, 2005
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting insert for a drill, and boring tool using this insert
    • Publication number 20040001740
    • Publication date Jan 1, 2004
    • Pierre Rigolet
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Throwaway tip and drill holder
    • Publication number 20010026739
    • Publication date Oct 4, 2001
    • KYOCERA CORPORATION
    • Yoshihide Kojima
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Throwaway tip and holder for holding the same
    • Publication number 20010026738
    • Publication date Oct 4, 2001
    • KYOCERA CORPORATION
    • Yoshihide Kojima
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC