formed by a plurality of elements arranged longitudinally

Industry

CPC
E21D21/0046

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection

Current Industry

E21D21/0046formed by a plurality of elements arranged longitudinally

Industries

Patents Grantslast 30 patents

Information Patent Grant
Retainer device for a rock anchor, rock anchor system and associate...
- Patent number 11,732,583
- Issue date Aug 22, 2023
- JUSAND NOMINEES PTY LTD
- Sam Thomas
- E21 - EARTH DRILLING MINING
Information Patent Grant
Type of energy-absorbing rock bolt device with umbrella-shaped stru...
- Patent number 11,268,383
- Issue date Mar 8, 2022
- INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
- Songfeng Guo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining hydraulic constant-resistance deforming and automatic pressu...
- Patent number 11,041,385
- Issue date Jun 22, 2021
- HENAN POLYTECHNIC UNIVERSITY
- Hua Nan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Corrosion resistant yieldable bolt
- Patent number 10,941,657
- Issue date Mar 9, 2021
- FCI Holdings Delaware, Inc.
- Lumin Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for re-tensioning mine roof channels
- Patent number 10,704,389
- Issue date Jul 7, 2020
- FCI Holdings Delaware, Inc.
- Ben Mirabile
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composite yieldable rock anchor with improved deformation range
- Patent number 10,697,297
- Issue date Jun 30, 2020
- Minova International Limited
- Michael Hosp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pneumatic drill installed rock anchor
- Patent number 10,677,057
- Issue date Jun 9, 2020
- NCM INNOVATIONS (PTY) LTD
- Rual Abreu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Energy-absorbing rockbolt
- Patent number 10,605,078
- Issue date Mar 31, 2020
- Northeastern Univeristy
- Xing dong Zhao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Groutable rock anchor assembly
- Patent number 10,465,515
- Issue date Nov 5, 2019
- NCM INNOVATIONS (PTY) LTD
- Paolo Ettore Pastorino
- E21 - EARTH DRILLING MINING
Information Patent Grant
Radially expansible rock bolt
- Patent number 10,358,921
- Issue date Jul 23, 2019
- NCM INNOVATIONS (PTY) LTD
- James William Sheppard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system of coal mine roof stabilization
- Patent number 10,202,848
- Issue date Feb 12, 2019
- REI, Inc.
- Daniel J. Brunner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sectional modular large-deformation-resistant impact-resistant comp...
- Patent number 10,190,281
- Issue date Jan 29, 2019
- Guoan Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ground anchor and method of using a ground anchor
- Patent number 10,138,613
- Issue date Nov 27, 2018
- Eng Kiat Tng
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of supporting a rock wall
- Patent number 9,982,537
- Issue date May 29, 2018
- NCM INNOVATIONS (PTY) LTD
- Martin Cawood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Yieldable rock anchor
- Patent number 9,677,399
- Issue date Jun 13, 2017
- Minova International Limited
- Dariusz Modlinski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchor, especially a rock anchor
- Patent number 9,664,042
- Issue date May 30, 2017
- Hilti Aktiengesellschaft
- Frank Schmidt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock anchoring system and method
- Patent number 9,534,495
- Issue date Jan 3, 2017
- Jurie Pretorius Smit
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ground and rock anchor
- Patent number 9,488,048
- Issue date Nov 8, 2016
- F.J. Aschwanden AG
- Thomas Keller
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Mine roof support apparatus and system
- Patent number 8,967,916
- Issue date Mar 3, 2015
- Earth Support Services, Inc.
- David A. Hussey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Yielding bolt and assembly
- Patent number 8,721,227
- Issue date May 13, 2014
- FCI Holdings Delaware, Inc.
- John G. Oldsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt with mechanical anchor
- Patent number 8,708,607
- Issue date Apr 29, 2014
- Sandvik Intellectual Property AB
- Matthew Kenny
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cuttable drilling tool, and a cuttable self drilling rock bolt
- Patent number 8,556,542
- Issue date Oct 15, 2013
- Sandvik Intellectual Property AB
- John Horsch
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cable bolt
- Patent number 8,322,950
- Issue date Dec 4, 2012
- FCI Holdings Delaware, Inc.
- Peter Harold Craig
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Rock bolt
- Patent number 8,087,850
- Issue date Jan 3, 2012
- FCI Holdings Delaware, Inc.
- Peter Harold Craig
- E21 - EARTH DRILLING MINING
Information Patent Grant
Friction tube anchor and inflation adapter for the latter
- Patent number 7,891,911
- Issue date Feb 22, 2011
- Atlas Copco MAI GmbH
- Christof Tschernuth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cable bolt
- Patent number 7,648,311
- Issue date Jan 19, 2010
- Garford Pty Ltd
- Neville Hedrick
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Detachable anchor bolt mixing head for use in mine roof support sys...
- Patent number 7,632,045
- Issue date Dec 15, 2009
- Mansour Mining Inc.
- Yaokun Wu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Yielding strata bolt
- Patent number 7,037,046
- Issue date May 2, 2006
- Jeffrey Robert Fergusson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rockbolt assembly
- Patent number 6,474,910
- Issue date Nov 5, 2002
- Ingersoll-Rand Company
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubular anchor
- Patent number 6,457,910
- Issue date Oct 1, 2002
- Hilti Aktiengesellschaft
- Wolfgang Ludwig
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROCK BOLT ASSEMBLY HAVING AN INDICATOR
- Publication number 20240125233
- Publication date Apr 18, 2024
- ROCBOLT TECHNOLOGIES (PTY) LTD.
- Werner BELLINGHAM
- E21 - EARTH DRILLING MINING
Information Patent Application
TYPE OF ENERGY-ABSORBING ROCK BOLT DEVICE WITH UMBRELLA-SHAPED STRU...
- Publication number 20220010681
- Publication date Jan 13, 2022
- Institute of Geology and Geophysics, Chinese Academy of Sciences
- Songfeng Guo
- E21 - EARTH DRILLING MINING
Information Patent Application
RETAINER DEVICE FOR A ROCK ANCHOR, ROCK ANCHOR SYSTEM AND ASSOCIATE...
- Publication number 20210324739
- Publication date Oct 21, 2021
- Jusand Nominees Pty Ltd
- Sam Thomas
- E21 - EARTH DRILLING MINING
Information Patent Application
MINING HYDRAULIC CONSTANT-RESISTANCE DEFORMING AND AUTOMATIC PRESSU...
- Publication number 20210017860
- Publication date Jan 21, 2021
- Henan Polytechnic University
- Hua NAN
- E21 - EARTH DRILLING MINING
Information Patent Application
M-TYPE ENERGY-ABSORBING ROCKBOLT
- Publication number 20200011178
- Publication date Jan 9, 2020
- NORTHEASTERN UNIVERSITY
- Xing dong ZHAO
- E21 - EARTH DRILLING MINING
Information Patent Application
PNEUMATIC DRILL INSTALLED ROCK ANCHOR
- Publication number 20190390550
- Publication date Dec 26, 2019
- NCM INNOVATIONS (PTY) LTD
- Rual ABREU
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITE YIELDABLE ROCK ANCHOR WITH IMPROVED DEFORMATION RANGE
- Publication number 20190376388
- Publication date Dec 12, 2019
- Minova International Limited
- Michael Hosp
- E21 - EARTH DRILLING MINING
Information Patent Application
System for Re-Tensioning Mine Roof Channels
- Publication number 20190292909
- Publication date Sep 26, 2019
- FCI HOLDINGS DELAWARE, INC.
- Ben Mirabile
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION
- Publication number 20190153862
- Publication date May 23, 2019
- REI, Inc.
- Daniel J. BRUNNER
- E21 - EARTH DRILLING MINING
Information Patent Application
GROUTABLE ROCK ANCHOR ASSEMBLY
- Publication number 20190100998
- Publication date Apr 4, 2019
- NCM INNOVATIONS (PTY) LTD
- Paolo Ettore PASTORINO
- E21 - EARTH DRILLING MINING
Information Patent Application
CABLE BOLTS
- Publication number 20180245468
- Publication date Aug 30, 2018
- N.V. BEKAERT S.A.
- Christophe MESPLONT
- C21 - METALLURGY OF IRON
Information Patent Application
RADIALLY EXPANSIBLE ROCK BOLT
- Publication number 20180230801
- Publication date Aug 16, 2018
- NCM INNOVATIONS (PTY) LTD
- James William SHEPPARD
- E21 - EARTH DRILLING MINING
Information Patent Application
A Sectional Modular Large-Deformation-Resistant Impact-Resistant Co...
- Publication number 20180202122
- Publication date Jul 19, 2018
- Guoan XU
- E21 - EARTH DRILLING MINING
Information Patent Application
Corrosion Resistant Yieldable Bolt
- Publication number 20180016900
- Publication date Jan 18, 2018
- FCI HOLDINGS DELAWARE, INC.
- Lumin Ma
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF SUPPORTING A ROCK WALL
- Publication number 20170342836
- Publication date Nov 30, 2017
- NCM INNOVATIONS (PTY) LTD
- Martin CAWOOD
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BOLT WITH AN INTEGRALLY FORMED WEDGE FORMATION AND A METHOD OF...
- Publication number 20170211386
- Publication date Jul 27, 2017
- NCM INNOVATIONS (PTY) LTD
- Robert James Custers
- E21 - EARTH DRILLING MINING
Information Patent Application
GROUND ANCHOR AND METHOD OF USING A GROUND ANCHOR
- Publication number 20160356014
- Publication date Dec 8, 2016
- Eng Kiat Tng
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION
- Publication number 20160348505
- Publication date Dec 1, 2016
- REI, Inc.
- Daniel J. BRUNNER
- E21 - EARTH DRILLING MINING
Information Patent Application
FRICTION BOLT
- Publication number 20160312610
- Publication date Oct 27, 2016
- Jason L. Moon
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
YIELDABLE ROCK ANCHOR
- Publication number 20160168993
- Publication date Jun 16, 2016
- MINOVA INTERNATIONAL LIMITED
- Dariusz MODLINSKI
- E21 - EARTH DRILLING MINING
Information Patent Application
Manufacture of Cable Bolts
- Publication number 20160130943
- Publication date May 12, 2016
- FCI HOLDINGS DELAWARE, INC.
- Jeremy Ross Arnot
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Application
Ground and Rock Anchor
- Publication number 20150023740
- Publication date Jan 22, 2015
- F.J. Aschwanden AG
- Thomas Keller
- E21 - EARTH DRILLING MINING
Information Patent Application
ANCHOR, ESPECIALLY A ROCK ANCHOR
- Publication number 20140334885
- Publication date Nov 13, 2014
- Frank Schmidt
- E21 - EARTH DRILLING MINING
Information Patent Application
Manufacture of Cable Bolts
- Publication number 20140119840
- Publication date May 1, 2014
- FCI HOLDINGS DELAWARE, INC.
- Jeremy Ross Arnot
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MINE ROOF SUPPORT APPARATUS AND SYSTEM
- Publication number 20120282039
- Publication date Nov 8, 2012
- EARTH SUPPORT SERVICES, INC.
- David A. HUSSEY
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock Bolt
- Publication number 20120219365
- Publication date Aug 30, 2012
- Richard Podesser
- E21 - EARTH DRILLING MINING
Information Patent Application
Anchor Module and a Method for Producing an Anchor Module
- Publication number 20120155969
- Publication date Jun 21, 2012
- Richard Podesser
- E21 - EARTH DRILLING MINING
Information Patent Application
Anchor Module for Mining and Tunneling
- Publication number 20120128444
- Publication date May 24, 2012
- Richard Podesser
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BOLT WITH MECHANICAL ANCHOR
- Publication number 20120114426
- Publication date May 10, 2012
- Sandvik Intellectual Property AB
- Matthew Kenny
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock Bolt
- Publication number 20120070234
- Publication date Mar 22, 2012
- FCI HOLDINGS DELAWARE, INC.
- Peter Harold Craig
- E21 - EARTH DRILLING MINING

formed by a plurality of elements arranged longitudinally

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Retainer device for a rock anchor, rock anchor system and associate...

Type of energy-absorbing rock bolt device with umbrella-shaped stru...

Mining hydraulic constant-resistance deforming and automatic pressu...

Corrosion resistant yieldable bolt

System for re-tensioning mine roof channels

Composite yieldable rock anchor with improved deformation range

Pneumatic drill installed rock anchor

Energy-absorbing rockbolt

Groutable rock anchor assembly

Radially expansible rock bolt

Method and system of coal mine roof stabilization

Sectional modular large-deformation-resistant impact-resistant comp...

Ground anchor and method of using a ground anchor

Method of supporting a rock wall

Yieldable rock anchor

Anchor, especially a rock anchor

Rock anchoring system and method

Ground and rock anchor

Mine roof support apparatus and system

Yielding bolt and assembly

Rock bolt with mechanical anchor

Cuttable drilling tool, and a cuttable self drilling rock bolt

Cable bolt

Rock bolt

Friction tube anchor and inflation adapter for the latter

Cable bolt

Detachable anchor bolt mixing head for use in mine roof support sys...

Yielding strata bolt

Rockbolt assembly

Tubular anchor

Patents Applicationslast 30 patents

ROCK BOLT ASSEMBLY HAVING AN INDICATOR

TYPE OF ENERGY-ABSORBING ROCK BOLT DEVICE WITH UMBRELLA-SHAPED STRU...

RETAINER DEVICE FOR A ROCK ANCHOR, ROCK ANCHOR SYSTEM AND ASSOCIATE...

MINING HYDRAULIC CONSTANT-RESISTANCE DEFORMING AND AUTOMATIC PRESSU...

M-TYPE ENERGY-ABSORBING ROCKBOLT

PNEUMATIC DRILL INSTALLED ROCK ANCHOR

COMPOSITE YIELDABLE ROCK ANCHOR WITH IMPROVED DEFORMATION RANGE

System for Re-Tensioning Mine Roof Channels

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

GROUTABLE ROCK ANCHOR ASSEMBLY

CABLE BOLTS

RADIALLY EXPANSIBLE ROCK BOLT

A Sectional Modular Large-Deformation-Resistant Impact-Resistant Co...

Corrosion Resistant Yieldable Bolt

METHOD OF SUPPORTING A ROCK WALL

ROCK BOLT WITH AN INTEGRALLY FORMED WEDGE FORMATION AND A METHOD OF...

GROUND ANCHOR AND METHOD OF USING A GROUND ANCHOR

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

FRICTION BOLT

YIELDABLE ROCK ANCHOR

Manufacture of Cable Bolts

Ground and Rock Anchor

ANCHOR, ESPECIALLY A ROCK ANCHOR

Manufacture of Cable Bolts

MINE ROOF SUPPORT APPARATUS AND SYSTEM

Rock Bolt

Anchor Module and a Method for Producing an Anchor Module

Anchor Module for Mining and Tunneling

ROCK BOLT WITH MECHANICAL ANCHOR

Rock Bolt