having means for indicating tension

Industry

CPC
E21D21/02

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

E21D21/02having means for indicating tension

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for ultrasonic rock bolt condition monitoring
- Patent number 12,140,032
- Issue date Nov 12, 2024
- National Research Council of Canada
- Zhigang Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock anchor with sensor for measuring a mechanical tension
- Patent number 11,946,375
- Issue date Apr 2, 2024
- Montanuniversität Leoben
- Susanne Feiel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Collaborative erosion-control method of releasing-splitting-support...
- Patent number 11,834,949
- Issue date Dec 5, 2023
- Shandong University of Science and Technology
- Weiyao Guo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and systems for ultrasonic rock bolt condition monitoring
- Patent number 11,619,132
- Issue date Apr 4, 2023
- National Research Council of Canada
- Zhigang Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for component wear monitoring
- Patent number 11,255,739
- Issue date Feb 22, 2022
- REI, Inc.
- Alex Schumacher
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Sensing device for a rock bolt
- Patent number 11,131,191
- Issue date Sep 28, 2021
- Alert Technologies Inc.
- Christer Gotmalm
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for component wear monitoring
- Patent number 10,768,062
- Issue date Sep 8, 2020
- REI, Inc.
- Alex Schumacher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ground anchor of which stress can be self-diagnosed, and constructi...
- Patent number 10,508,402
- Issue date Dec 17, 2019
- SOILTECH Korea Co., Ltd.
- Ji-Ho Kim
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
High-strength confined concrete support system for underground tunnel
- Patent number 10,415,387
- Issue date Sep 17, 2019
- Shandong University
- Shucai Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for rock bolts and a method for the use of the arrangem...
- Patent number 10,370,969
- Issue date Aug 6, 2019
- Rock Safety Sweden AB
- Leif Gustafsson
- G01 - MEASURING TESTING
Information Patent Grant
Rock bolt
- Patent number 9,835,030
- Issue date Dec 5, 2017
- Ola Våhlström
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Constant-resistance and large deformation anchor cable and constant...
- Patent number 9,797,248
- Issue date Oct 24, 2017
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
Tension meter for anchor rod with constant resistance and large def...
- Patent number 9,488,049
- Issue date Nov 8, 2016
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchor tendon with selectively deformable portions
- Patent number 8,899,883
- Issue date Dec 2, 2014
- Denis Champaigne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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 anchor
- Patent number 8,100,607
- Issue date Jan 24, 2012
- Robert Custers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tensioning assembly for a cable bolt
- Patent number 7,927,044
- Issue date Apr 19, 2011
- FCI Holdings Delaware, Inc.
- Peter Harold Craig
- E21 - EARTH DRILLING MINING
Information Patent Grant
Elongate element tensioning member
- Patent number 7,927,042
- Issue date Apr 19, 2011
- Atlas Copco MAI GmbH
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING
Information Patent Grant
Instrumented rock bolt, data logger and user interface system
- Patent number 7,324,007
- Issue date Jan 29, 2008
- The United States of America as represented by the Secretary of the Departmen...
- Carl B. Sunderman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Elongate element tensioning member
- Patent number 7,147,404
- Issue date Dec 12, 2006
- Atlas Copco MAI GmbH
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable tensioning device
- Patent number 6,813,955
- Issue date Nov 9, 2004
- John Paul McKelvey
- E04 - BUILDING
Information Patent Grant
Tensionable cable bolt
- Patent number 6,270,290
- Issue date Aug 7, 2001
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tensionable cable bolt
- Patent number 6,074,134
- Issue date Jun 13, 2000
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stress measuring rock support device
- Patent number 5,929,341
- Issue date Jul 27, 1999
- Canadian Mining Industry Research Organization
- William F. Bawden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tensionable cable bolt with mixing assembly
- Patent number 5,919,006
- Issue date Jul 6, 1999
- Jennmar Corporation
- Frank Calandra
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable tensioning dome plate
- Patent number 5,769,570
- Issue date Jun 23, 1998
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine roof truss system and related installation method
- Patent number 5,755,535
- Issue date May 26, 1998
- Triad Support Systems, Inc.
- William G. Fox
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock anchor assembly
- Patent number 5,556,233
- Issue date Sep 17, 1996
- RSC Mining (Proprietary) Limited
- Vilmos Kovago
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt load sensor
- Patent number 5,392,654
- Issue date Feb 28, 1995
- Technological Resources Pty, Ltd.
- Alan Boyle
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROCK ANCHOR COMPRISING SENSOR FOR MEASURING MECHANICAL STRESS
- Publication number 20240218793
- Publication date Jul 4, 2024
- Alois Homer
- G01 - MEASURING TESTING
Information Patent Application
Carbon Fiber Rock Bolt
- Publication number 20240175360
- Publication date May 30, 2024
- CMTE Development Limited
- Karsten Hoehn
- E21 - EARTH DRILLING MINING
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
MINE ROOF REINFORCING SYSTEM AS LOAD INDICATOR
- Publication number 20230374904
- Publication date Nov 23, 2023
- F. M. LOCOTOS CO., INC.
- Frank M. Locotos
- E21 - EARTH DRILLING MINING
Information Patent Application
COLLABORATIVE EROSION-CONTROL METHOD OF RELEASING-SPLITTING -SUPPOR...
- Publication number 20230340878
- Publication date Oct 26, 2023
- Shandong University of Science and Technology
- Weiyao GUO
- E21 - EARTH DRILLING MINING
Information Patent Application
DETERMINING RESIDUAL TENSION IN THREADED FASTENERS
- Publication number 20230213401
- Publication date Jul 6, 2023
- FDH INFRASTRUCTURE SERVICES, LLC
- Armita Mohammadian
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND SYSTEMS FOR ULTRASONIC ROCK BOLT CONDITION MONITORING
- Publication number 20230184114
- Publication date Jun 15, 2023
- National Research Council of Canada
- Silvio Elton Kruger
- E21 - EARTH DRILLING MINING
Information Patent Application
TENSION INDICATOR FOR A ROCK BOLT
- Publication number 20230175397
- Publication date Jun 8, 2023
- SANDVIK MINING AND CONSTRUCTION TOOLS AB
- Steven WEAVER
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VISUAL INDICATOR FOR CORRECT TORSION OF A ROCK BOLT
- Publication number 20220389816
- Publication date Dec 8, 2022
- SANDVIK MINING AND CONSTRUCTION TOOLS AB
- Steven WEAVER
- E21 - EARTH DRILLING MINING
Information Patent Application
NPR ANCHOR ROD
- Publication number 20220228487
- Publication date Jul 21, 2022
- Manchao HE
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING
- Publication number 20220136917
- Publication date May 5, 2022
- REI, Inc.
- Alex SCHUMACHER
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK ANCHOR WITH SENSOR FOR MEASURING A MECHANICAL TENSION
- Publication number 20220136389
- Publication date May 5, 2022
- Montanuniversitat Leoben
- Susanne FEIEL
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING
- Publication number 20200363278
- Publication date Nov 19, 2020
- REI, Inc.
- Alex Schumacher
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Sensing Device For A Rock Bolt
- Publication number 20200200007
- Publication date Jun 25, 2020
- ALERT TECHNOLOGIES INC.
- Christer Gotmalm
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND SYSTEMS FOR ULTRASONIC ROCK BOLT CONDITION MONITORING
- Publication number 20190203599
- Publication date Jul 4, 2019
- National Research Council of Canada
- Zhigang Sun
- G01 - MEASURING TESTING
Information Patent Application
HIGH-STRENGTH CONFINED CONCRETE SUPPORT SYSTEM FOR UNDERGROUND TUNNEL
- Publication number 20180291736
- Publication date Oct 11, 2018
- Shandong University
- Shucai LI
- E21 - EARTH DRILLING MINING
Information Patent Application
ARRANGEMENT FOR ROCK BOLTS AND A METHOD FOR THE USE OF THE ARRANGEM...
- Publication number 20170321552
- Publication date Nov 9, 2017
- Rock Safety Sweden AB
- Leif Gustafsson
- G01 - MEASURING TESTING
Information Patent Application
UNDERGROUND SECURING SYSTEM COMPRISING A ROCK BOLT THAT INCLUDES AN...
- Publication number 20170067340
- Publication date Mar 9, 2017
- K+S KALI GMBH
- Wolfgang SIELING
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock Bolt
- Publication number 20150354354
- Publication date Dec 10, 2015
- Ola Våhlström
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROCK ANCHORING SYSTEM AND METHOD
- Publication number 20150267537
- Publication date Sep 24, 2015
- Jurie Pretorius Smit
- E21 - EARTH DRILLING MINING
Information Patent Application
TENSION METER FOR ANCHOR ROD WITH CONSTANT RESISTANCE AND LARGE DEF...
- Publication number 20140318263
- Publication date Oct 30, 2014
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING
Information Patent Application
CONSTANT-RESISTANCE AND LARGE DEFORMATION ANCHOR CABLE AND CONSTANT...
- Publication number 20140227042
- Publication date Aug 14, 2014
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ANCHOR TENDON WITH SELECTIVELY DEFORMABLE PORTIONS
- Publication number 20130028667
- Publication date Jan 31, 2013
- Denis Champaigne
- E21 - EARTH DRILLING MINING
Information Patent Application
INSTRUMENTED COUPLER LOAD CELL FOR ROCK ANCHORS
- Publication number 20120227507
- Publication date Sep 13, 2012
- Hani Sabri Mitri
- E21 - EARTH DRILLING MINING
Information Patent Application
Yielding Bolt and Assembly
- Publication number 20110052332
- Publication date Mar 3, 2011
- FCI HOLDINGS DELAWARE, INC.
- John G. Oldsen
- E21 - EARTH DRILLING MINING
Information Patent Application
PLASTIC ROCK-BOLT OR DOWEL AND METHOD OF MANUFACTURING OF THE SAME
- Publication number 20100290840
- Publication date Nov 18, 2010
- Phillip Hanford Boot
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK ANCHOR
- Publication number 20100260557
- Publication date Oct 14, 2010
- Robert Custers
- E21 - EARTH DRILLING MINING
Information Patent Application
Tensioning Assembly For a Cable Bolt
- Publication number 20080179575
- Publication date Jul 31, 2008
- Jennmar Corporation
- Peter Harold Craig
- E21 - EARTH DRILLING MINING
Information Patent Application
Rock Bolting Method and Rock Bolt
- Publication number 20070253783
- Publication date Nov 1, 2007
- Mario Bureau
- E21 - EARTH DRILLING MINING
Information Patent Application
Elongate element tensioning member
- Publication number 20060072972
- Publication date Apr 6, 2006
- Anthony John Spencer Spearing
- E21 - EARTH DRILLING MINING

having means for indicating tension

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and systems for ultrasonic rock bolt condition monitoring

Rock anchor with sensor for measuring a mechanical tension

Collaborative erosion-control method of releasing-splitting-support...

Methods and systems for ultrasonic rock bolt condition monitoring

Method and system for component wear monitoring

Sensing device for a rock bolt

Method and system for component wear monitoring

Ground anchor of which stress can be self-diagnosed, and constructi...

High-strength confined concrete support system for underground tunnel

Arrangement for rock bolts and a method for the use of the arrangem...

Rock bolt

Constant-resistance and large deformation anchor cable and constant...

Rock anchoring system and method

Tension meter for anchor rod with constant resistance and large def...

Anchor tendon with selectively deformable portions

Yielding bolt and assembly

Rock anchor

Tensioning assembly for a cable bolt

Elongate element tensioning member

Instrumented rock bolt, data logger and user interface system

Elongate element tensioning member

Inflatable tensioning device

Tensionable cable bolt

Tensionable cable bolt

Stress measuring rock support device

Tensionable cable bolt with mixing assembly

Cable tensioning dome plate

Mine roof truss system and related installation method

Rock anchor assembly

Rock bolt load sensor

Patents Applicationslast 30 patents

ROCK ANCHOR COMPRISING SENSOR FOR MEASURING MECHANICAL STRESS

Carbon Fiber Rock Bolt

ROCK BOLT ASSEMBLY HAVING AN INDICATOR

MINE ROOF REINFORCING SYSTEM AS LOAD INDICATOR

COLLABORATIVE EROSION-CONTROL METHOD OF RELEASING-SPLITTING -SUPPOR...

DETERMINING RESIDUAL TENSION IN THREADED FASTENERS

METHODS AND SYSTEMS FOR ULTRASONIC ROCK BOLT CONDITION MONITORING

TENSION INDICATOR FOR A ROCK BOLT

VISUAL INDICATOR FOR CORRECT TORSION OF A ROCK BOLT

NPR ANCHOR ROD

METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING

ROCK ANCHOR WITH SENSOR FOR MEASURING A MECHANICAL TENSION

METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING

Sensing Device For A Rock Bolt

METHODS AND SYSTEMS FOR ULTRASONIC ROCK BOLT CONDITION MONITORING

HIGH-STRENGTH CONFINED CONCRETE SUPPORT SYSTEM FOR UNDERGROUND TUNNEL

ARRANGEMENT FOR ROCK BOLTS AND A METHOD FOR THE USE OF THE ARRANGEM...

UNDERGROUND SECURING SYSTEM COMPRISING A ROCK BOLT THAT INCLUDES AN...

Rock Bolt

ROCK ANCHORING SYSTEM AND METHOD

TENSION METER FOR ANCHOR ROD WITH CONSTANT RESISTANCE AND LARGE DEF...

CONSTANT-RESISTANCE AND LARGE DEFORMATION ANCHOR CABLE AND CONSTANT...

ANCHOR TENDON WITH SELECTIVELY DEFORMABLE PORTIONS

INSTRUMENTED COUPLER LOAD CELL FOR ROCK ANCHORS

Yielding Bolt and Assembly

PLASTIC ROCK-BOLT OR DOWEL AND METHOD OF MANUFACTURING OF THE SAME

ROCK ANCHOR

Tensioning Assembly For a Cable Bolt

Rock Bolting Method and Rock Bolt

Elongate element tensioning member