Drills with variable margins

Industry

  • CPC
  • B23B2251/446
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill and method for producing a drill

    • Patent number 12,064,819
    • Issue date Aug 20, 2024
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill and method for producing a drill

    • Patent number 11,707,791
    • Issue date Jul 25, 2023
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit

    • Patent number 11,123,809
    • Issue date Sep 21, 2021
    • BLACK & DECKER INC.
    • Juri Schatz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling tool

    • Patent number 10,695,951
    • Issue date Jun 30, 2020
    • Robert Bosch GmbH
    • Rainer Widmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing an axially extending tool tip and tool tip

    • Patent number 10,144,104
    • Issue date Dec 4, 2018
    • Kennametal Inc.
    • Horst Manfred Jaeger
    • 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

    Drill or drill head with burnishing margin

    • Patent number 10,005,136
    • Issue date Jun 26, 2018
    • Iscar, Ltd.
    • Eitan Gonen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Bit for a rotary drill

    • Patent number 9,724,763
    • Issue date Aug 8, 2017
    • Element Six Limited
    • John James Barry
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 9,718,136
    • Issue date Aug 1, 2017
    • DreBo Werkzeugfabrik GmbH
    • Martin Stumpp
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit

    • Patent number 9,662,803
    • Issue date May 30, 2017
    • Heller Tools GmbH
    • Rainer Lampe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill

    • Patent number 9,539,653
    • Issue date Jan 10, 2017
    • Walter AG
    • Siegfried Rogalla
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutter

    • Patent number 9,333,565
    • Issue date May 10, 2016
    • SOMTA TOOLS (PTY) LTD.
    • Vladimir Volokh
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 8,876,445
    • Issue date Nov 4, 2014
    • Mitsubishi Materials Corporation
    • Kazuya Yanagida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade drill insert having helical margins

    • Patent number 7,547,166
    • Issue date Jun 16, 2009
    • Allied Machine & Engineering Corp.
    • Joseph P. Nuzzi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade drill insert having helical margins

    • Patent number 7,011,478
    • Issue date Mar 14, 2006
    • Allied Machine & Engineering Corp.
    • Timothy G. Stokey
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill

    • Patent number 5,350,261
    • Issue date Sep 27, 1994
    • Mitsubishi Materials Corporation
    • Sueji Takaya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit or end mill with grooved flutes

    • Patent number 5,160,232
    • Issue date Nov 3, 1992
    • MCA Micro Crystal AG
    • Andreas Maier
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill

    • Patent number 4,561,813
    • Issue date Dec 31, 1985
    • M. A. Ford Mfg. Co., Inc.
    • Lee A. Schneider
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Drill bit

    • Publication number 20220395914
    • Publication date Dec 15, 2022
    • TECHNISCHE UNIVERSITAT DARMSTADT
    • Dennis HEYSER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drilling Tool

    • Publication number 20180326618
    • Publication date Nov 15, 2018
    • ROBERT BOSCH GmbH
    • Rainer Widmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    DRILL OR DRILL HEAD WITH BURNISHING MARGIN

    • Publication number 20180029140
    • Publication date Feb 1, 2018
    • Iscar, Ltd.
    • Eitan Gonen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD FOR PRODUCING AN AXIALLY EXTENDING TOOL TIP AND TOOL TIP

    • Publication number 20150375356
    • Publication date Dec 31, 2015
    • Horst Manfred JAEGER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TWIST DRILL

    • Publication number 20150314378
    • Publication date Nov 5, 2015
    • WALTER AG
    • Siegfried ROGALLA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill and Drill Head with Drill Margin

    • Publication number 20150266107
    • Publication date Sep 24, 2015
    • Iscar, Ltd.
    • Eitan Gonen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BIT FOR A ROTARY DRILL

    • Publication number 20140037393
    • Publication date Feb 6, 2014
    • ELEMENT SIX LIMITED
    • John James Barry
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROTARY CUTTER

    • Publication number 20130315681
    • Publication date Nov 28, 2013
    • VLADIMIR VOLOKH
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL

    • Publication number 20120114440
    • Publication date May 10, 2012
    • Dieter Kress
    • 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

    DRILL

    • Publication number 20110211924
    • Publication date Sep 1, 2011
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuya Yanagida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Spade Drill Insert Having Helical Margins

    • Publication number 20060159535
    • Publication date Jul 20, 2006
    • Allied Machine & Engineering Corp.
    • Joseph P. Nuzzi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Spade drill insert having helical margins

    • Publication number 20050100419
    • Publication date May 12, 2005
    • Allied Machine & Engineering Corp.
    • Timothy G. Stokey
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting tool and methods of making and reconditioning thereof

    • Publication number 20030017015
    • Publication date Jan 23, 2003
    • Donald L. Strubler
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC