Advancing mechanisms

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CPC
E21D23/08

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EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D23/00Mine roof supports for step- by- step movement

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E21D23/08Advancing mechanisms

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for monitoring operation of a mining machine unit
- Patent number 11,746,655
- Issue date Sep 5, 2023
- Caterpillar Inc.
- Euan Kirkhope
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for protecting roof tray when gob-side entry retaining en...
- Patent number 10,822,949
- Issue date Nov 3, 2020
- China University of Mining and Technology
- Jianbiao Bai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-advancing roof support for a longwall mining system
- Patent number 10,767,481
- Issue date Sep 8, 2020
- Caterpillar Global Mining Europe GmbH
- Patrick Clamp
- 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
- Patent number 10,364,675
- Issue date Jul 30, 2019
- Sandvik Intellectual Property AB
- Erich Brandl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for forming an underground tunnel
- Patent number 9,631,491
- Issue date Apr 25, 2017
- Matthew Lumb
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-moving tunnel support canopy
- Patent number 9,291,053
- Issue date Mar 22, 2016
- Xinbin Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coal face support in a mine
- Patent number 7,494,190
- Issue date Feb 24, 2009
- Tiefenbach Control Systems GmbH
- Willi Kussel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Measurement of the alignment of an articulated mine conveyor
- Patent number 5,145,235
- Issue date Sep 8, 1992
- Gullick Dobson Limited
- Brian G. D. Smart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanceable mine roof supports
- Patent number 4,978,248
- Issue date Dec 18, 1990
- Gewerkschaft Eisenhutte Westfalia, GmbH
- Gerhard Sprenger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Appartaus for mounting ancillary equipment
- Patent number 4,934,758
- Issue date Jun 19, 1990
- Dowty Mining Equipment Limited
- Colin R. Walters
- E21 - EARTH DRILLING MINING
Information Patent Grant
Movable consolidating trestle for securing the excavating edge
- Patent number 4,812,081
- Issue date Mar 14, 1989
- Voest-Alpine Aktiengesellschaft
- Ernst Urschitz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Trestle being displaceable on caterpillar
- Patent number 4,747,730
- Issue date May 31, 1988
- Voest-Alpine Aktiengesellschaft
- Ernst Urschitz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mobile mine-roof support
- Patent number 4,737,051
- Issue date Apr 12, 1988
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Hans Bull
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chock block skidding device designed for the powered supports used...
- Patent number 4,688,968
- Issue date Aug 25, 1987
- Paul Fanget
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine self-advancing roof support and method of relocating a mine wi...
- Patent number 4,679,856
- Issue date Jul 14, 1987
- Klockner-Becorit GmbH
- Walter Lubojatsky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral mining installation
- Patent number 4,639,169
- Issue date Jan 27, 1987
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support and attachment means therefor
- Patent number 4,605,341
- Issue date Aug 12, 1986
- Dobson Park Industries PLC.
- Archelaius D. Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support unit
- Patent number 4,600,340
- Issue date Jul 15, 1986
- Gewerkschaft Eisenhutte Westfalia
- Harry Rosenberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advance mechanism for mine roof support units
- Patent number 4,571,127
- Issue date Feb 18, 1986
- Gewerkschaft Eisenhutte Westfalia
- Gerhard Merten
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine-roof supports
- Patent number 4,568,222
- Issue date Feb 4, 1986
- Dowty Mining Equipment Limited
- Nigel Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coal face support
- Patent number 4,560,306
- Issue date Dec 24, 1985
- Dobson Park Industries Limited
- Raymond G. Murfitt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof support assembly
- Patent number 4,526,495
- Issue date Jul 2, 1985
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Travelling bracket
- Patent number 4,487,531
- Issue date Dec 11, 1984
- Bochumer Eisenh/u/ tte Heintzmann GmbH & Co. KG
- Ernst-G/u/ nter Nerlich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic ram
- Patent number 4,457,212
- Issue date Jul 3, 1984
- Gewerkschaft Eisenhutte Westfalia
- Eberhart Unger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic control arrangement for a roof support unit of a mineral...
- Patent number 4,440,522
- Issue date Apr 3, 1984
- Gewerkschaft Eisenhutte Westfalia
- Michael Dettmers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Two part mine roof support unit
- Patent number 4,401,399
- Issue date Aug 30, 1983
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advance mechanism for a mine roof support assembly
- Patent number 4,390,308
- Issue date Jun 28, 1983
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine-roof support
- Patent number 4,380,410
- Issue date Apr 19, 1983
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Hans Bull
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR MONITORING OPERATION OF A MINING MACHINE UNIT
- Publication number 20220136390
- Publication date May 5, 2022
- Caterpillar SARL
- Euan KIRKHOPE
- E21 - EARTH DRILLING MINING
Information Patent Application
CONSTRUCTION METHOD FOR CONTINUOUS MINING MACHINE HAVING DEVICE CON...
- Publication number 20210270134
- Publication date Sep 2, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
Self-Advancing Roof Support for a Longwall Mining System
- Publication number 20200049006
- Publication date Feb 13, 2020
- CATERPILLAR GLOBAL MINING EUROPE GMBH
- Patrick CLAMP
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING APPARATUS
- Publication number 20170298730
- Publication date Oct 19, 2017
- Erich BRANDL
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-MOVING TUNNEL SUPPORT CANOPY
- Publication number 20150086272
- Publication date Mar 26, 2015
- Xinbin Li
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS FOR FORMING AN UNDERGROUND TUNNEL
- Publication number 20130193744
- Publication date Aug 1, 2013
- Matthew Lumb
- E21 - EARTH DRILLING MINING
Information Patent Application
ADVANCING ASSEMBLY AND POWERED SHIELD SUPPORT HEREWITH
- Publication number 20120180467
- Publication date Jul 19, 2012
- BUCYRUS EUROPE GMBH
- Friedrich Wilhelm Dannehl
- E21 - EARTH DRILLING MINING
Information Patent Application
Coal face support in a mine
- Publication number 20060267395
- Publication date Nov 30, 2006
- Willi Kussel
- E21 - EARTH DRILLING MINING

Advancing mechanisms

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and device for monitoring operation of a mining machine unit

Apparatus for protecting roof tray when gob-side entry retaining en...

Self-advancing roof support for a longwall mining system

Cutting apparatus

Device for the installation of rock bolts and cutting apparatus

Cutting apparatus

Apparatus for forming an underground tunnel

Self-moving tunnel support canopy

Coal face support in a mine

Measurement of the alignment of an articulated mine conveyor

Advanceable mine roof supports

Appartaus for mounting ancillary equipment

Movable consolidating trestle for securing the excavating edge

Trestle being displaceable on caterpillar

Mobile mine-roof support

Chock block skidding device designed for the powered supports used...

Mine self-advancing roof support and method of relocating a mine wi...

Mineral mining installation

Mine roof support and attachment means therefor

Mine roof support unit

Advance mechanism for mine roof support units

Mine-roof supports

Coal face support

Mine roof support assembly

Travelling bracket

Hydraulic ram

Hydraulic control arrangement for a roof support unit of a mineral...

Two part mine roof support unit

Advance mechanism for a mine roof support assembly

Mine-roof support

Patents Applicationslast 30 patents

METHOD AND DEVICE FOR MONITORING OPERATION OF A MINING MACHINE UNIT

CONSTRUCTION METHOD FOR CONTINUOUS MINING MACHINE HAVING DEVICE CON...

Self-Advancing Roof Support for a Longwall Mining System

CUTTING APPARATUS

SELF-MOVING TUNNEL SUPPORT CANOPY

APPARATUS FOR FORMING AN UNDERGROUND TUNNEL

ADVANCING ASSEMBLY AND POWERED SHIELD SUPPORT HEREWITH

Coal face support in a mine