Hydraulic, pneumatic, or hydraulic-pneumatic props

Industry

CPC
E21D15/44

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D15/00Props Chocks

Current Industry

E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System for navigation detection and inclination measurement of adva...
- Patent number 11,459,887
- Issue date Oct 4, 2022
- Shandong University of Science and Technology
- Yuxia Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic shield support system and pressure intensifier
- Patent number 11,396,894
- Issue date Jul 26, 2022
- Caterpillar Global Mining Europe GmbH
- Oliver Dwornik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Similar simulation experimental device of hydraulic energy-absorbin...
- Patent number 11,326,452
- Issue date May 10, 2022
- China University of Mining and Technology
- Anye Cao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of treating tunnel collapse using pavilion support
- Patent number 11,306,588
- Issue date Apr 19, 2022
- Shandong University of Science and Technology
- Xianghui Meng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of treating tunnel collapse with roof-contacted shield support
- Patent number 11,248,464
- Issue date Feb 15, 2022
- Shandong University of Science and Technology
- Lin Xin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic support unit and hydraulic support for anti-rock burst ro...
- Patent number 10,774,642
- Issue date Sep 15, 2020
- Liaoning University
- Yishan Pan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sleeve holder for a hydraulic cylinder
- Patent number 10,385,888
- Issue date Aug 20, 2019
- Caterpillar Global Mining Europe GmbH
- Christian Knoblich
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Temporary support and raising device
- Patent number 10,125,608
- Issue date Nov 13, 2018
- MMC INNOVATIONS LLP
- Thomas Wrigley Moye
- E04 - BUILDING
Information Patent Grant
Support for use in mine
- Patent number 9,695,690
- Issue date Jul 4, 2017
- Burrell Mining Products, Inc.
- Ian Edward Healy
- E21 - EARTH DRILLING MINING
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
Collapsible hoisting device for use in the construction of large me...
- Patent number 9,630,818
- Issue date Apr 25, 2017
- Marcelo Ricardo Cantoni
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Telescopic mine roof support
- Patent number 9,347,316
- Issue date May 24, 2016
- Burrell Mining Products, Inc.
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Preloadable support
- Patent number 9,334,735
- Issue date May 10, 2016
- Natalie Killassy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Telescopic pumpable props
- Patent number 9,140,026
- Issue date Sep 22, 2015
- Cougar Can Company Pty Ltd.
- Craig Douglas Barnett
- E04 - BUILDING
Information Patent Grant
Telescopic safety device
- Patent number 9,045,981
- Issue date Jun 2, 2015
- RESQTEC-ZUMRO B.V.
- Fred Baas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Telescopic mine roof support
- Patent number 8,851,805
- Issue date Oct 7, 2014
- Burrell Mining Products, Inc.
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic prop comprising thin-walled exterior and interior pipes
- Patent number 8,297,888
- Issue date Oct 30, 2012
- Wolfgang Voss
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Suspending hydraulic pillar
- Patent number 7,717,649
- Issue date May 18, 2010
- China University of Mining and Technology
- Bingwen Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for joining the functional parts of hydraulic or pneumatic w...
- Patent number 7,228,787
- Issue date Jun 12, 2007
- DBT GmbH
- Guy Zins
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic cylinder
- Patent number 6,615,705
- Issue date Sep 9, 2003
- DBT GmbH
- Werner Reinelt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Continuously adjustable rescue strut
- Patent number 6,394,405
- Issue date May 28, 2002
- Para Tech Incorporated
- George F. Roxton
- E04 - BUILDING
Information Patent Grant
Hydraulic double telescopic prop
- Patent number 6,209,440
- Issue date Apr 3, 2001
- DBT Deutsche Bergbau-Technik GmbH
- Friedrich Wilhelm Dannehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support for underground mining and tunnel construction
- Patent number 6,056,480
- Issue date May 2, 2000
- Theodor Kolk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Prop for use in underground mining or tunnel construction
- Patent number 5,921,718
- Issue date Jul 13, 1999
- Theodor Kolk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support prop
- Patent number 5,720,581
- Issue date Feb 24, 1998
- Dorbyl Limited
- Michael S. Bacon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support prop with integrated pressure limiting valve and nailed pipes
- Patent number 5,611,646
- Issue date Mar 18, 1997
- Richard Voss Grubenausbau GmbH
- Richard Voss
- E21 - EARTH DRILLING MINING
Information Patent Grant
Piston cylinder device with a protective coating and method of prod...
- Patent number 5,348,425
- Issue date Sep 20, 1994
- Robert W. Heiliger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic steel mine prop
- Patent number 5,205,676
- Issue date Apr 27, 1993
- Robert W. Heiliger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic steel mine prop
- Patent number 5,051,039
- Issue date Sep 24, 1991
- Martha-Catharina Heiliger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Temporary roof support cylinder
- Patent number 5,026,218
- Issue date Jun 25, 1991
- Joy Technologies Inc.
- Joseph J. Zimmerman
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
System For Navigation Detection And Inclination Measurement Of Adva...
- Publication number 20220120181
- Publication date Apr 21, 2022
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Yuxia LI
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF TREATING TUNNEL COLLAPSE USING PAVILION SUPPORT
- Publication number 20210388724
- Publication date Dec 16, 2021
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Xianghui MENG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF TREATING TUNNEL COLLAPSE WITH ROOF-CONTACTED SHIELD SUPPORT
- Publication number 20210355828
- Publication date Nov 18, 2021
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Lin XIN
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC SHIELD SUPPORT SYSTEM AND PRESSURE INTENSIFIER
- Publication number 20200408226
- Publication date Dec 31, 2020
- CATERPILLAR GLOBAL MINING EUROPE GMBH
- Oliver DWORNIK
- E21 - EARTH DRILLING MINING
Information Patent Application
Electromagnetic coil dispenser for improving waterproof performance
- Publication number 20200190980
- Publication date Jun 18, 2020
- Xuejun Zhu
- E21 - EARTH DRILLING MINING
Information Patent Application
Temporary Support and Raising Device
- Publication number 20170275994
- Publication date Sep 28, 2017
- MMC Innovations LLP
- Thomas Wrigley MOYE
- E04 - BUILDING
Information Patent Application
SLEEVE HOLDER FOR A HYDRAULIC CYLINDER
- Publication number 20170108016
- Publication date Apr 20, 2017
- CATERPILLAR GLOBAL MINING EUROPE GMBH
- Christian KNOBLICH
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
SUPPORT FOR USE IN MINE
- Publication number 20160208609
- Publication date Jul 21, 2016
- Ian Edward HEALY
- E21 - EARTH DRILLING MINING
Information Patent Application
TELESCOPIC MINE ROOF SUPPORT
- Publication number 20150267536
- Publication date Sep 24, 2015
- BURRELL MINING PRODUCTS, INC.
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Application
Telescopic Pumpable Props
- Publication number 20150097099
- Publication date Apr 9, 2015
- Cougar Can Company Pty Ltd.
- Craig Douglas Barnett
- E04 - BUILDING
Information Patent Application
SUPPORT PROP
- Publication number 20140072374
- Publication date Mar 13, 2014
- ELBROC MINING PRODUCTS (PTY) LTD
- Grant ROACH
- E21 - EARTH DRILLING MINING
Information Patent Application
TELESCOPIC MINE ROOF SUPPORT
- Publication number 20140064859
- Publication date Mar 6, 2014
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Application
PROP
- Publication number 20140050538
- Publication date Feb 20, 2014
- MINE SUPPORT PRODUCTS (PTY) LTD
- Christian NISSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
PRELOADABLE SUPPORT
- Publication number 20130336728
- Publication date Dec 19, 2013
- Natalie Killassy
- E21 - EARTH DRILLING MINING
Information Patent Application
Prop for Mining, Construction and the Like
- Publication number 20130149044
- Publication date Jun 13, 2013
- Craig Douglas Barnett
- E21 - EARTH DRILLING MINING
Information Patent Application
TELESCOPIC SAFETY DEVICE
- Publication number 20130126695
- Publication date May 23, 2013
- RESQTEC - ZUMRO B.V.
- Fred Baas
- E04 - BUILDING
Information Patent Application
COLLAPSIBLE HOISTING DEVICE FOR USE IN THE CONSTRUCTION OF LARGE ME...
- Publication number 20130119332
- Publication date May 16, 2013
- Marcelo Ricardo CANTONI
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC PROP COMPRISING THIN-WALLED EXTERIOR AND INTERIOR PIPES
- Publication number 20100119311
- Publication date May 13, 2010
- Wolfgang Voss
- E21 - EARTH DRILLING MINING
Information Patent Application
Suspending Hydraulic Pillar
- Publication number 20090257831
- Publication date Oct 15, 2009
- Bingwen Li
- E21 - EARTH DRILLING MINING
Information Patent Application
SUPPORT FOR UNDERGROUND MINING AND TUNNEL CONSTRUCTION
- Publication number 20090202310
- Publication date Aug 13, 2009
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- MANFRED KOPPERS
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for joining the functional parts of hydraulic or pneumatic w...
- Publication number 20050271481
- Publication date Dec 8, 2005
- DBT GmbH
- Guy Zins
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic cylinder
- Publication number 20020046650
- Publication date Apr 25, 2002
- Werner Reinelt
- E21 - EARTH DRILLING MINING
Information Patent Application
Prop device for mining and tunnel construction
- Publication number 20020031407
- Publication date Mar 14, 2002
- Richard Voss
- E21 - EARTH DRILLING MINING

Hydraulic, pneumatic, or hydraulic-pneumatic props

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System for navigation detection and inclination measurement of adva...

Hydraulic shield support system and pressure intensifier

Similar simulation experimental device of hydraulic energy-absorbin...

Method of treating tunnel collapse using pavilion support

Method of treating tunnel collapse with roof-contacted shield support

Hydraulic support unit and hydraulic support for anti-rock burst ro...

Sleeve holder for a hydraulic cylinder

Temporary support and raising device

Support for use in mine

Apparatus for forming an underground tunnel

Collapsible hoisting device for use in the construction of large me...

Telescopic mine roof support

Preloadable support

Telescopic pumpable props

Telescopic safety device

Telescopic mine roof support

Hydraulic prop comprising thin-walled exterior and interior pipes

Suspending hydraulic pillar

Method for joining the functional parts of hydraulic or pneumatic w...

Hydraulic cylinder

Continuously adjustable rescue strut

Hydraulic double telescopic prop

Support for underground mining and tunnel construction

Prop for use in underground mining or tunnel construction

Support prop

Support prop with integrated pressure limiting valve and nailed pipes

Piston cylinder device with a protective coating and method of prod...

Hydraulic steel mine prop

Hydraulic steel mine prop

Temporary roof support cylinder

Patents Applicationslast 30 patents

System For Navigation Detection And Inclination Measurement Of Adva...

METHOD OF TREATING TUNNEL COLLAPSE USING PAVILION SUPPORT

METHOD OF TREATING TUNNEL COLLAPSE WITH ROOF-CONTACTED SHIELD SUPPORT

HYDRAULIC SHIELD SUPPORT SYSTEM AND PRESSURE INTENSIFIER

Electromagnetic coil dispenser for improving waterproof performance

Temporary Support and Raising Device

SLEEVE HOLDER FOR A HYDRAULIC CYLINDER

SUPPORT FOR USE IN MINE

TELESCOPIC MINE ROOF SUPPORT

Telescopic Pumpable Props

SUPPORT PROP

TELESCOPIC MINE ROOF SUPPORT

PROP

PRELOADABLE SUPPORT

Prop for Mining, Construction and the Like

TELESCOPIC SAFETY DEVICE

COLLAPSIBLE HOISTING DEVICE FOR USE IN THE CONSTRUCTION OF LARGE ME...

HYDRAULIC PROP COMPRISING THIN-WALLED EXTERIOR AND INTERIOR PIPES

Suspending Hydraulic Pillar

SUPPORT FOR UNDERGROUND MINING AND TUNNEL CONSTRUCTION

Method for joining the functional parts of hydraulic or pneumatic w...

Hydraulic cylinder

Prop device for mining and tunnel construction