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CPC
E21D9/1026
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
E21D9/00
Tunnels or galleries, with or without linings Methods or apparatus for making thereof Layout of tunnels or galleries
Current Industry
E21D9/1026
the tool-carrier being rotated about a transverse axis
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic system, mining machine and method of controlling hydrauli...
Patent number
11,808,012
Issue date
Nov 7, 2023
Sandvik Mining and Construction G.m.b.H.
Reinhold Pogatschnigg
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Mining machine with articulating boom and independent material hand...
Patent number
11,391,149
Issue date
Jul 19, 2022
Joy Global Underground Mining LLC
Nagy Daher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting apparatus
Patent number
10,683,751
Issue date
Jun 16, 2020
Sandvik Intellectual Property AB
Georg Scherz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Device for the installation of rock bolts and cutting apparatus
Patent number
10,557,348
Issue date
Feb 11, 2020
SANDVIK INTELECTUAL PROPERTY AB
Thomas Galler
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Cutting apparatus using a clearing arrangement
Patent number
10,428,651
Issue date
Oct 1, 2019
Sandvik Intellectual Property AB
Bernhard Ebner
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Cutting apparatus and method of operating
Patent number
10,364,674
Issue date
Jul 30, 2019
Sandvik Intellectual Property AB
Erich Brandl
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Cutting apparatus and method of operating
Patent number
10,352,166
Issue date
Jul 16, 2019
Sandvik Intellectual Property AB
Bernhard Ebner
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
High-frequency vibrating transverse drum cutter head, and drum cutt...
Patent number
10,280,748
Issue date
May 7, 2019
Zhongsheng Tang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Implement system for machine and operating method therefor
Patent number
10,273,803
Issue date
Apr 30, 2019
Caterpillar Global Mining Europe GmbH
Carl Moberg
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drilling and bursting heading machine
Patent number
10,233,755
Issue date
Mar 19, 2019
China University of Mining and Technology
Songyong Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting apparatus
Patent number
10,208,596
Issue date
Feb 19, 2019
Sandvik Intellectual Property AB
Bernhard Ebner
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mobile mining
Patent number
9,932,826
Issue date
Apr 3, 2018
Caterpillar Global Mining Europe GmbH
Johannes Krings
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for the milling cutting of rock, minerals or other materials
Patent number
9,206,685
Issue date
Dec 8, 2015
Caterpillar Global Mining Europe GmbH
Jens Steinberg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mobile mining machine and method for driving tunnels, roadways or s...
Patent number
9,068,453
Issue date
Jun 30, 2015
Caterpillar Global Mining Europe GmbH
Jan Rohwer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for working rock
Patent number
9,004,609
Issue date
Apr 14, 2015
Atlas Copco Craelius AB
Sverker Hartwig
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for working rock
Patent number
8,950,823
Issue date
Feb 10, 2015
Atlas Copco Craelius AB
Mats Kristerson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Loading arm with wear resistant end, mining equipment using the arm...
Patent number
8,506,017
Issue date
Aug 13, 2013
Philip W. Southern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous miner having a sumping frame
Patent number
7,703,857
Issue date
Apr 27, 2010
Joy MM Delaware, Inc.
John E. Willison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining machine with sliding cutting tool assembly
Patent number
6,428,109
Issue date
Aug 6, 2002
Voest-Alpine Bergtechnik Gesellschaft m.b.H.
Karl Lerchbaum
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock cutting head
Patent number
6,158,818
Issue date
Dec 12, 2000
Webster Schaeff & Co.
Hans Schaeff
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Roof bolt drilling and setting apparatus
Patent number
5,913,573
Issue date
Jun 22, 1999
Voest-Alpine Bergtechnik Gesellschaft m.b.H.
Franz Schlegl
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low profile mining machine having a cutter mounted on a slidable ca...
Patent number
5,333,936
Issue date
Aug 2, 1994
Voest-Alpine Bergtechnik Gesellschaft m.b.H.
Alfred Zitz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tramming mobile mining machine
Patent number
5,192,115
Issue date
Mar 9, 1993
The Robbins Company
Thomas M. Hartman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shearing machine with roof-bolt drilling and setting devices
Patent number
5,050,934
Issue date
Sep 24, 1991
Voest-Alpine Zeltweg Gesellschaft m.b.H.
Erich Brandl
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coal-cutting machine having horizontally swivellable jib boom and v...
Patent number
4,998,777
Issue date
Mar 12, 1991
Voest-Alpine Maschinenbau Gesellschaft m.b.H.
Otto Schetina
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for guying a drift advancing machine within a drift
Patent number
4,966,417
Issue date
Oct 30, 1990
Voest-Alpine Maschinenbau Gesellschaft m.b.H.
Alfred Zitz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drive arrangement for driving cutting rolls
Patent number
4,953,916
Issue date
Sep 4, 1990
Voest-Alpine Maschinenbau Gesellschaft m.b.H.
Erich Brandl
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting machine for cutting and carrying away material from a work...
Patent number
4,878,714
Issue date
Nov 7, 1989
Voest-Alpine Aktiengesellschaft
Franz Barnthaler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of excavation and apparatus therefor
Patent number
4,838,614
Issue date
Jun 13, 1989
Dosco Overseas Engineering Limited
Sybil Pentith
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Shield advancing machine
Patent number
4,805,963
Issue date
Feb 21, 1989
Voest-Alpine Aktiengesellschaft
Peter Kogler
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
CUTTING DEVICE AND SUPPORT FOR SAME
Publication number
20240247587
Publication date
Jul 25, 2024
Joy Global Underground Mining LLC
Stuart Reeves
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC SYSTEM, MINING MACHINE AND METHOD OF CONTROLLING HYDRAULI...
Publication number
20220290407
Publication date
Sep 15, 2022
Sandvik Mining and Construction G.m.b.H.
Reinhold POGATSCHNIGG
E21 - EARTH DRILLING MINING
Information
Patent Application
Milling Device for Excavating Mining Materials
Publication number
20180363462
Publication date
Dec 20, 2018
Caterpillar Global Mining Europe GmbH
Joachim RASCHKA
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING APPARATUS
Publication number
20180216460
Publication date
Aug 2, 2018
SANDVIK INTELECTUAL PROPERTY AB
Bernhard EBNER
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Drilling and Bursting Heading Machine
Publication number
20180195388
Publication date
Jul 12, 2018
Songyong Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS
Publication number
20140232170
Publication date
Aug 21, 2014
Caterpillar Global Mining Europe GmbH
Jens Steinberg
E21 - EARTH DRILLING MINING
Information
Patent Application
MOBILE MINING MACHINE AND METHOD FOR DRIVING TUNNELS, ROADWAYS OR S...
Publication number
20140091612
Publication date
Apr 3, 2014
Caterpillar Global Mining Europe GmbH
Jan Rowher
E21 - EARTH DRILLING MINING
Information
Patent Application
MINING INSTALLATION FOR EXTRACTING SEAM-TYPE OR MASS-DEPOSIT MINERA...
Publication number
20140070599
Publication date
Mar 13, 2014
Caterpillar Global Mining Europe GmbH
Jens Steinberg
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND DEVICE FOR WORKING ROCK
Publication number
20120313422
Publication date
Dec 13, 2012
ATLAS COPCO CRAELIUS AB
Mats Kristerson
E21 - EARTH DRILLING MINING
Information
Patent Application
ATTACHMENT CUTTING SYSTEM HAVING CUTTING HEADS AND A CUTTER CHAIN
Publication number
20110247246
Publication date
Oct 13, 2011
Klaus Ertmer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD AND DEVICE FOR WORKING ROCK
Publication number
20110198914
Publication date
Aug 18, 2011
Sverker Hartwig
E21 - EARTH DRILLING MINING
Information
Patent Application
Mining Machine and Method of Mining
Publication number
20110062768
Publication date
Mar 17, 2011
NINE DOT SOLUTIONS (PTY) LTD.
Petrus Johannes Adriaan Van Zyl
E21 - EARTH DRILLING MINING
Information
Patent Application
LOADING ARM WITH WEAR RESISTANT END, MINING EQUIPMENT USING THE ARM...
Publication number
20100237682
Publication date
Sep 23, 2010
Philip W. Southern
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS MINER HAVING A SUMPING FRAME
Publication number
20090066148
Publication date
Mar 12, 2009
Joy MM Delaware, Inc.
John E. Willison
E21 - EARTH DRILLING MINING