with central lead

Patents Grantslast 30 patents

  • Information Patent Grant

    Tools and methods for forming aligned holes from near full-sized holes

    • Patent number 11,260,459
    • Issue date Mar 1, 2022
    • The Boeing Company
    • John P. Scheibel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Countersinking tool, tool arrangement and method

    • Patent number 10,632,546
    • Issue date Apr 28, 2020
    • Guehring KG
    • Ingo von Puttkamer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool

    • Patent number 10,421,131
    • Issue date Sep 24, 2019
    • TaeguTec, Ltd.
    • Jung Hoon Park
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Manufacturing of holemaking tools

    • Patent number 10,391,592
    • Issue date Aug 27, 2019
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole-drilling device for drilling hole with expanded diameter hole...

    • Patent number 9,950,445
    • Issue date Apr 24, 2018
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit having reamer feature

    • Patent number 9,724,764
    • Issue date Aug 8, 2017
    • Robert Bosch Tool Corporation
    • Hagen W. Dost
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flat drill

    • Patent number 9,687,998
    • Issue date Jun 27, 2017
    • Hangzhou Great Star Tools Co., Ltd.
    • Yueming Li
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Segmented orbital drill

    • Patent number 9,446,454
    • Issue date Sep 20, 2016
    • Kennametal Inc.
    • Karen Anne Craig
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit

    • Patent number 9,409,239
    • Issue date Aug 9, 2016
    • Makotoloy Co., Ltd.
    • Hirofumi Higashiwaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Manufacturing of holemaking tools

    • Patent number 9,358,626
    • Issue date Jun 7, 2016
    • Kennametal Inc.
    • Herbert Rudolf Kauper
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit

    • Patent number 9,333,564
    • Issue date May 10, 2016
    • BLACK & DECKER INC.
    • Aland Santamarina
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill for wood

    • Patent number 9,156,094
    • Issue date Oct 13, 2015
    • Irwin Industrial Tool Company
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multi-effective material removal tool

    • Patent number 9,028,178
    • Issue date May 12, 2015
    • Sandvik, Inc.
    • Kevin Nedzlek
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill bit

    • Patent number 8,764,355
    • Issue date Jul 1, 2014
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Reamer

    • Patent number 8,708,618
    • Issue date Apr 29, 2014
    • Kennametal Inc.
    • Uwe Hobohm
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multi-piece drill head and drill including the same

    • Patent number 8,702,357
    • Issue date Apr 22, 2014
    • Kennametal Inc.
    • X. Daniel Fang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Adjustable step drill bit

    • Patent number 8,622,666
    • Issue date Jan 7, 2014
    • Combined Producers Co. #1 Inc.
    • Ira Kozak
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Insert for drill, drill and method of cutting work material

    • Patent number 8,579,556
    • Issue date Nov 12, 2013
    • Kyocera Corporation
    • Takashi Okumura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit

    • Patent number 8,545,140
    • Issue date Oct 1, 2013
    • Steve Burn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert, in particular for counterboring and/or countersinki...

    • Patent number 8,506,213
    • Issue date Aug 13, 2013
    • Kennametal Inc.
    • Peter Karl Mergenthaler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modular precision drill countersink assembly

    • Patent number 8,469,642
    • Issue date Jun 25, 2013
    • Precorp, Inc.
    • Richard M. Garrick
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chamfer tool

    • Patent number 8,454,281
    • Issue date Jun 4, 2013
    • The Boeing Company
    • Michael D. Katzenberger
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill bit

    • Patent number 8,388,280
    • Issue date Mar 5, 2013
    • Orlo D. Ison
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit having reamer feature

    • Patent number 8,366,357
    • Issue date Feb 5, 2013
    • Robert Bosch GmbH
    • Hagen W. Dost
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Counterbore bit

    • Patent number 8,353,645
    • Issue date Jan 15, 2013
    • Craig M. Laun
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Drill body

    • Patent number 8,342,781
    • Issue date Jan 1, 2013
    • Sandvik Intellectual Property AB
    • Kari Soittu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit having threaded conical tip portion

    • Patent number 8,262,325
    • Issue date Sep 11, 2012
    • Robert Bosch GmbH
    • Hagen W. Dost
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Rotating shaft tool

    • Patent number 8,157,488
    • Issue date Apr 17, 2012
    • Guehring OHG
    • Roland Schäfer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit

    • Patent number 8,147,174
    • Issue date Apr 3, 2012
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self feed bit

    • Patent number 8,070,397
    • Issue date Dec 6, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILL BIT

    • Publication number 20140356088
    • Publication date Dec 4, 2014
    • Aland SANTAMARINA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SEGMENTED ORBITAL DRILL

    • Publication number 20140348604
    • Publication date Nov 27, 2014
    • Karen Anne Craig
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL FOR WOOD

    • Publication number 20130189044
    • Publication date Jul 25, 2013
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Spade Bit having Reamer Feature

    • Publication number 20130149060
    • Publication date Jun 13, 2013
    • Robert Bosch Tool Corporation
    • Hagen W. Dost
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MANUFACTURING OF HOLEMAKING TOOLS

    • Publication number 20130121778
    • Publication date May 16, 2013
    • Kennametal, Inc.
    • HERBERT RUDOLF KAUPER
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    DRILL BIT

    • Publication number 20120321403
    • Publication date Dec 20, 2012
    • Fuji Jukogyo Kabushiki Kaisha
    • Hirofumi HIGASHIWAKI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SEGMENTED ORBITAL DRILL

    • Publication number 20120219371
    • Publication date Aug 30, 2012
    • Kennametal Inc.
    • Karen Anne Craig
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL BIT

    • Publication number 20120207557
    • Publication date Aug 16, 2012
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Multi-Effective Material Removal Tool

    • Publication number 20120155977
    • Publication date Jun 21, 2012
    • Kevin Nedzlek
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TIP AND ROTARY CUTTING TOOL EMPLOYING SAME

    • Publication number 20120093600
    • Publication date Apr 19, 2012
    • KARTHIK SAMPATH
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    REUSABLE LOW COST DRILL FOR DRYWALL

    • Publication number 20110262235
    • Publication date Oct 27, 2011
    • Theodore F. Garfield
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPADE BIT

    • Publication number 20110150588
    • Publication date Jun 23, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Reamer

    • Publication number 20110135413
    • Publication date Jun 9, 2011
    • Kennametal Inc.
    • Uwe Hobohm
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ADJUSTABLE STEP DRILL BIT

    • Publication number 20110038679
    • Publication date Feb 17, 2011
    • Ira Kozak
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Multi-Piece Drill Head and Drill Including the Same

    • Publication number 20100278603
    • Publication date Nov 4, 2010
    • TDY INDUSTRIES, INC.
    • X. Daniel Fang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROTATING SHAFT TOOL

    • Publication number 20100254777
    • Publication date Oct 7, 2010
    • GUEHRING OHG
    • Roland SCHÄFER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MULTI-PIECE DRILL HEAD AND DRILL INCLUDING THE SAME

    • Publication number 20100202845
    • Publication date Aug 12, 2010
    • TDY INDUSTRIES, INC.
    • X. Daniel Fang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT

    • Publication number 20100196112
    • Publication date Aug 5, 2010
    • Steve Burn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Countersink assembly

    • Publication number 20100172706
    • Publication date Jul 8, 2010
    • Woodworker's Supply Inc.
    • John Wirth, JR.
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drywall/sheathing cutting tool and method

    • Publication number 20100139207
    • Publication date Jun 10, 2010
    • Lonnie Cox
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPADE BIT

    • Publication number 20100104387
    • Publication date Apr 29, 2010
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Insert for Drill, Drill and Method of Cutting Work Material

    • Publication number 20100061821
    • Publication date Mar 11, 2010
    • KYOCERA CORPORATION
    • Takashi Okumura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAMFER TOOL

    • Publication number 20100054883
    • Publication date Mar 4, 2010
    • Michael D. Katzenberger
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting Insert, in Particular for Counterboring and/or Countersinki...

    • Publication number 20100047028
    • Publication date Feb 25, 2010
    • Kennametal Inc.
    • Peter Karl Mergenthaler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill body

    • Publication number 20090279965
    • Publication date Nov 12, 2009
    • Sandvik Intellectual Property AB
    • Kari Soittu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SELF FEED BIT

    • Publication number 20090208300
    • Publication date Aug 20, 2009
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    MULTI-BLADE SELF FEED BIT

    • Publication number 20090208302
    • Publication date Aug 20, 2009
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Reinforcement drill

    • Publication number 20090142152
    • Publication date Jun 4, 2009
    • Chung-Liang Liao
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Planing Apparatus And Method

    • Publication number 20090136306
    • Publication date May 28, 2009
    • Russell J. Howard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Spade Bit having Reamer Feature

    • Publication number 20090116918
    • Publication date May 7, 2009
    • Credo Technology Corporation
    • Hagen W. Dost
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR