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CPC
E21C2035/1809

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EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING

Current Industry

E21C2035/1809Multiple inserts

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Patents Grantslast 30 patents

Information Patent Grant
Cutting tool assemblies including superhard working surfaces, mater...
- Patent number 10,414,069
- Issue date Sep 17, 2019
- U.S. Synthetic Corporation
- David P. Miess
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ripping and scraping cutter tool assemblies, systems, and methods f...
- Patent number 10,337,327
- Issue date Jul 2, 2019
- APERGY BMCS ACQUISITION CORPORATION
- Edwin Sean Cox
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chisel holder
- Patent number 10,273,804
- Issue date Apr 30, 2019
- Wirtgen GmbH
- Thomas Lehnert
- E21 - EARTH DRILLING MINING
Information Patent Grant
Material removing tool for road milling mining and trenching operat...
- Patent number 10,180,065
- Issue date Jan 15, 2019
- The Sollami Company
- Phillip Sollami
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ripping and scraping cutter tool assemblies, systems, and methods f...
- Patent number 10,036,250
- Issue date Jul 31, 2018
- U.S. Synthetic Corporation
- Edwin Sean Cox
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chisel holder
- Patent number 9,797,246
- Issue date Oct 24, 2017
- Wirtgen GmbH
- Thomas Lehnert
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Cutting head tool for tunnel boring machine
- Patent number 9,140,123
- Issue date Sep 22, 2015
- Caterpillar Inc.
- Robert Meyer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Radial tool with superhard cutting surface
- Patent number 8,789,894
- Issue date Jul 29, 2014
- Diamond Innovations, Inc.
- John W. Lucek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Resilient pick shank
- Patent number 8,500,210
- Issue date Aug 6, 2013
- Schlumberger Technology Corporation
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Non-rotating pick with a pressed in carbide segment
- Patent number 8,136,887
- Issue date Mar 20, 2012
- Schlumberger Technology Corporation
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Resilient pick shank
- Patent number 8,118,371
- Issue date Feb 21, 2012
- Schlumberger Technology Corporation
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wear resistant tool
- Patent number 7,469,972
- Issue date Dec 30, 2008
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Attack tool
- Patent number 7,464,993
- Issue date Dec 16, 2008
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting insert utilizing superabrasive compacts
- Patent number 5,318,006
- Issue date Jun 7, 1994
- General Electric Company
- Robert C. Walen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Tool for a mine working machine comprising a diamond-charged abrasi...
- Patent number 4,944,559
- Issue date Jul 31, 1990
- Societe Industrielle de Combustible Nucleaire
- Jean Sionnet
- E21 - EARTH DRILLING MINING
Information Patent Grant
Erosion resistant cutting bit with hardfacing
- Patent number 4,725,098
- Issue date Feb 16, 1988
- Kennametal Inc.
- Wayne H. Beach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-insert cutter bit
- Patent number 4,674,802
- Issue date Jun 23, 1987
- Kennametal, Inc.
- Alex G. McKenna
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutters for use in mineral mining
- Patent number 4,637,658
- Issue date Jan 20, 1987
- Wolfgang Annipajo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Trench hewing tool assembly with cutter guard attachment
- Patent number 4,349,232
- Issue date Sep 14, 1982
- Halbach and Braun
- Ernst Braun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tooth for rotary drilling tool for drilling foundations
- Patent number 4,170,267
- Issue date Oct 9, 1979
- Jacques C. Bourlier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cemented carbide-steel composites for earthmoving and mining applic...
- Patent number 4,101,318
- Issue date Jul 18, 1978
- Erwin Rudy
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
3834764
- Patent number 3,834,764
- Issue date Sep 10, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3598447
- Patent number 3,598,447
- Issue date Aug 10, 1971
- E21 - EARTH DRILLING MINING
Information Patent Grant
2521089
- Patent number 2,521,089
- Issue date Sep 5, 1950
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Tool combination having a chisel holder and two chisels
- Publication number 20190316304
- Publication date Oct 17, 2019
- WIRTGEN GMBH
- Karsten Buhr
- E21 - EARTH DRILLING MINING
Information Patent Application
RIPPING AND SCRAPING CUTTER TOOL ASSEMBLIES, SYSTEMS, AND METHODS F...
- Publication number 20180298755
- Publication date Oct 18, 2018
- US Synthetic Corporation
- Edwin Sean Cox
- E21 - EARTH DRILLING MINING
Information Patent Application
Chisel Holder
- Publication number 20180100393
- Publication date Apr 12, 2018
- WIRTGEN GMBH
- Thomas Lehnert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
SCANNING ELECTROCHEMICAL MICROSCOPY WITH OSCILLATING PROBE TIP
- Publication number 20180052187
- Publication date Feb 22, 2018
- University of Warwick
- Patrick Unwin
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PICK TOOL ASSEMBLY, METHOD FOR MAKING SAME AND METHOD FOR REFURBISH...
- Publication number 20140225418
- Publication date Aug 14, 2014
- Frank Friedrich Lachmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Cutting Head Tool for Tunnel Boring Machine
- Publication number 20130264860
- Publication date Oct 10, 2013
- Caterpillar Inc.
- Robert Meyer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HARD FACE STRUCTURE AND BODY COMPRISING SAME
- Publication number 20130052481
- Publication date Feb 28, 2013
- ELEMENT SIX GMBH
- Igor Yuri Konyashin
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SCANNING ELECTROCHEMICAL MICROSCOPY
- Publication number 20130032495
- Publication date Feb 7, 2013
- Patrick Unwin
- B82 - NANO-TECHNOLOGY
Information Patent Application
RADIAL TOOL WITH SUPERHARD CUTTING SURFACE
- Publication number 20100194176
- Publication date Aug 5, 2010
- DIAMOND INNOVATIONS, INC.
- John W. LUCEK
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING TOOL FOR BREAKING OR EXCAVATING MACHINES
- Publication number 20100141016
- Publication date Jun 10, 2010
- Xiaojun Yang
- E21 - EARTH DRILLING MINING
Information Patent Application
Resilient Pick Shank
- Publication number 20090273225
- Publication date Nov 5, 2009
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Application
Resilient Pick Shank
- Publication number 20090267403
- Publication date Oct 29, 2009
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING BIT USEFUL FOR IMPINGEMENT OF EARTH STRATA
- Publication number 20090256413
- Publication date Oct 15, 2009
- Shivanand I. Majagi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
WEAR-RESISTANT CUTTING BIT
- Publication number 20080106138
- Publication date May 8, 2008
- Xiaojun YANG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
CUTTING ELEMENT HAVING A SELF SHARPENING TIP
- Publication number 20080053711
- Publication date Mar 6, 2008
- Joy MM Delaware, Inc.
- Michael L. O'Neill
- E21 - EARTH DRILLING MINING
Information Patent Application
Non-rotating Pick with a Pressed in Carbide Segment
- Publication number 20080035383
- Publication date Feb 14, 2008
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Application
Attack Tool
- Publication number 20080036283
- Publication date Feb 14, 2008
- David R. Hall
- E21 - EARTH DRILLING MINING
Information Patent Application
A Wear Resistant Tool
- Publication number 20070290546
- Publication date Dec 20, 2007
- David R. Hall
- E21 - EARTH DRILLING MINING

Multiple inserts

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Cutting tool assemblies including superhard working surfaces, mater...

Ripping and scraping cutter tool assemblies, systems, and methods f...

Chisel holder

Material removing tool for road milling mining and trenching operat...

Ripping and scraping cutter tool assemblies, systems, and methods f...

Chisel holder

Cutting head tool for tunnel boring machine

Radial tool with superhard cutting surface

Resilient pick shank

Non-rotating pick with a pressed in carbide segment

Resilient pick shank

Wear resistant tool

Attack tool

Cutting insert utilizing superabrasive compacts

Tool for a mine working machine comprising a diamond-charged abrasi...

Erosion resistant cutting bit with hardfacing

Multi-insert cutter bit

Cutters for use in mineral mining

Trench hewing tool assembly with cutter guard attachment

Tooth for rotary drilling tool for drilling foundations

Cemented carbide-steel composites for earthmoving and mining applic...

3834764

3598447

2521089

Patents Applicationslast 30 patents

Tool combination having a chisel holder and two chisels

RIPPING AND SCRAPING CUTTER TOOL ASSEMBLIES, SYSTEMS, AND METHODS F...

Chisel Holder

SCANNING ELECTROCHEMICAL MICROSCOPY WITH OSCILLATING PROBE TIP

PICK TOOL ASSEMBLY, METHOD FOR MAKING SAME AND METHOD FOR REFURBISH...

Cutting Head Tool for Tunnel Boring Machine

HARD FACE STRUCTURE AND BODY COMPRISING SAME

SCANNING ELECTROCHEMICAL MICROSCOPY

RADIAL TOOL WITH SUPERHARD CUTTING SURFACE

CUTTING TOOL FOR BREAKING OR EXCAVATING MACHINES

Resilient Pick Shank

Resilient Pick Shank

CUTTING BIT USEFUL FOR IMPINGEMENT OF EARTH STRATA

WEAR-RESISTANT CUTTING BIT

CUTTING ELEMENT HAVING A SELF SHARPENING TIP

Non-rotating Pick with a Pressed in Carbide Segment

Attack Tool

A Wear Resistant Tool