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Rounded cutting edges
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CPC
B23B2251/125
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B23
Machine tools
B23B
TURNING BORING
B23B2251/00
Details of tools for drilling machines
Current Industry
B23B2251/125
Rounded cutting edges
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Patents Grants
last 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 Applications
last 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