Rounded cutting edges

Industry

  • CPC
  • B23B2251/125
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hard-film-coated drill

    • Patent number 12,285,809
    • Issue date Apr 29, 2025
    • NACHI-FUJIKOSHI CORP.
    • Junichi Noshiro
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 12,042,871
    • Issue date Jul 23, 2024
    • Tungaloy Corporation
    • Takao Katagiri
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 10,155,269
    • Issue date Dec 18, 2018
    • Sumitomo Electric Hardmetal Corp.
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling tool and method for modifying a blind hole

    • Patent number 9,914,178
    • Issue date Mar 13, 2018
    • WPT Nord GmbH
    • Ralf Thomsen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 9,492,877
    • Issue date Nov 15, 2016
    • OSG Corporation
    • Kazuteru Takai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling tool

    • Patent number 9,085,033
    • Issue date Jul 21, 2015
    • Kennametal Inc.
    • Uwe Hobohm
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill

    • Patent number 7,722,299
    • Issue date May 25, 2010
    • Sandvik Intellectual Property AB
    • Anders Lenander
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Solid drill bit for machine tools

    • Patent number 7,201,542
    • Issue date Apr 10, 2007
    • Komet Praezisionswerkzeuge Robert Breuning GmbH
    • Andree Fritsch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tip having rounded main cutting edge and sharp side cutting...

    • Patent number 6,321,618
    • Issue date Nov 27, 2001
    • Sandvik AB
    • Robert C. Hayden
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Method for preparing a cutting edge on an end mill

    • Patent number 6,105,467
    • Issue date Aug 22, 2000
    • David A. Baker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Surface decarburization of a drill bit having a refined primary cut...

    • Patent number 5,628,837
    • Issue date May 13, 1997
    • Rogers Tool Works, Inc.
    • Robert W. Britzke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Surface decarburization of a drill bit

    • Patent number 5,609,447
    • Issue date Mar 11, 1997
    • Rogers Tool Works, Inc.
    • Robert W. Britzke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    NON PLANAR CUTTING ELEMENT WITH NON PLANAR INTERFACE DESIGN AND TOO...

    • Publication number 20210372203
    • Publication date Dec 2, 2021
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Ronald K. Eyre
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hard-Film-Coated Drill

    • Publication number 20210291279
    • Publication date Sep 23, 2021
    • NACHI-FUJIKOSHI CORP.
    • Junichi NOSHIRO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TOOL

    • Publication number 20170113284
    • Publication date Apr 27, 2017
    • Young Bae Lee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILLING TOOL AND METHOD FOR MODIFYING A BLIND HOLE

    • Publication number 20160082523
    • Publication date Mar 24, 2016
    • WPT Nord GmbH
    • Ralf Thomsen
    • B08 - CLEANING
  • Information Patent Application

    DRILL

    • Publication number 20140219737
    • Publication date Aug 7, 2014
    • OSG Corporation
    • Kazuteru Takai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILLING TOOL

    • Publication number 20120163934
    • Publication date Jun 28, 2012
    • UWE HOBOHM
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Twist drill

    • Publication number 20070009336
    • Publication date Jan 11, 2007
    • SANDVIK INTELLECTUAL PROPERTY AB
    • Anders Lenander
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Solid drill bit for machine tools

    • Publication number 20030161696
    • Publication date Aug 28, 2003
    • Andree Fritsch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR