Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence

Industry

CPC
E21F17/185

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere

Current Industry

E21F17/185Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for monitoring resilience of shield tunnel based on multi-so...
- Patent number 12,091,976
- Issue date Sep 17, 2024
- Shenzhen University
- Min Zhu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt assembly comprising a sensor assembly
- Patent number 12,012,856
- Issue date Jun 18, 2024
- Sandvik Mining and Construction Tools AB
- Osvaldo Vallati
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated manufacturing system and method for small-deformation se...
- Patent number 11,891,897
- Issue date Feb 6, 2024
- CNBM Technology Innovation Academy (Shandong) Co., Ltd.
- Zhongchun Hu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for real-time strength estimation, grading, and early warnin...
- Patent number 11,808,152
- Issue date Nov 7, 2023
- SHIJIAZHUANG TIEDAO UNIVERSITY
- Lijie Du
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Determining method for bursting-preventing parameter of roadway sup...
- Patent number 11,761,335
- Issue date Sep 19, 2023
- Liaoning University
- Yishan Pan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety early warning method and device for full-section tunneling o...
- Patent number 11,634,987
- Issue date Apr 25, 2023
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Hongming Luo
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for monitoring bearing compression rate of filler...
- Patent number 11,414,991
- Issue date Aug 16, 2022
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reaming and self-rotating anchor rod and using method thereof
- Patent number 10,907,474
- Issue date Feb 2, 2021
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Monitoring and forewarning method for coal-rock dynamic disasters b...
- Patent number 10,884,154
- Issue date Jan 5, 2021
- University of Science and Technology Beijing
- Zhenlei Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for rock burst prevention by active support reinforcement an...
- Patent number 10,655,465
- Issue date May 19, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Caiping Lu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems and methods for monitoring longwall mine roof stability
- Patent number 10,364,676
- Issue date Jul 30, 2019
- Joy Global Underground Mining LLC
- Jason Knuth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Full-roadway full-process full-cross-section surface deformation mo...
- Patent number 10,280,750
- Issue date May 7, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Roof support monitoring for longwall system
- Patent number 10,184,338
- Issue date Jan 22, 2019
- Joy Global Underground Mining LLC
- Paul M. Siegrist
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locating underground markers
- Patent number 10,123,157
- Issue date Nov 6, 2018
- Orica International Pte Ltd
- Rodney Appleby
- F42 - AMMUNITION BLASTING
Information Patent Grant
Rock wall closure detection apparatus
- Patent number 10,006,286
- Issue date Jun 26, 2018
- NCM INNOVATIONS (PTY) LTD
- Rual Abreu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support monitoring for longwall system
- Patent number 9,739,148
- Issue date Aug 22, 2017
- Joy MM Delaware, Inc.
- Paul M. Siegrist
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock wall closure detection device
- Patent number 9,664,043
- Issue date May 30, 2017
- NCM INNOVATIONS (PTY) LTD
- Rual Abreu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stress and strain sensing device
- Patent number 9,027,411
- Issue date May 12, 2015
- Public Interest Incorporated Foundations Association for the Development of E...
- Hiroshi Ishii
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for monitoring gateroad structural change
- Patent number 8,240,773
- Issue date Aug 14, 2012
- Commonwealth Scientific and Industrial Research Organisation
- Chad Owen Hargrave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Structure monitor system
- Patent number 7,542,856
- Issue date Jun 2, 2009
- Neubrex Co., Ltd.
- Kinzo Kishida
- G01 - MEASURING TESTING
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
Method and apparatus for load rate monitoring
- Patent number 6,957,166
- Issue date Oct 18, 2005
- The United States of America as represented by the Department of Health and H...
- Wayne L. Howie
- G01 - MEASURING TESTING
Information Patent Grant
Device for measuring shifts in mountains
- Patent number 6,646,440
- Issue date Nov 11, 2003
- DMT Deutsche Montan Technologie GmbH
- Dieter Wittenberg
- G01 - MEASURING TESTING
Information Patent Grant
Method for characterization of rock strata in drilling operations
- Patent number 6,490,527
- Issue date Dec 3, 2002
- The United States of America as represented by the Department of Health and H...
- Walter K. Utt
- G01 - MEASURING TESTING
Information Patent Grant
Strata movement indicators
- Patent number 6,334,260
- Issue date Jan 1, 2002
- Rock Mechanics Technology Limited
- Alan Stuart Bloor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of roof control in an underground mine
- Patent number 5,824,912
- Issue date Oct 20, 1998
- Jennmar Corporation
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Overload protection device
- Patent number 5,796,348
- Issue date Aug 18, 1998
- Tanaka; Toshihiro
- Toshihiro Tanaka
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for determining compressive stress in pillars
- Patent number 5,668,325
- Issue date Sep 16, 1997
- Cyprus Amax Coal Company
- Wm. Mark Hart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for measuring three-dimensional displacement
- Patent number 5,511,429
- Issue date Apr 30, 1996
- Obayashi Corporation
- Masayuki Kosugi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring three dimensional stress in rock...
- Patent number 5,381,690
- Issue date Jan 17, 1995
- Noranda Inc.
- Harald H. Kanduth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
A FIBER BRAGG GRATING MONITORING DEVICE FOR DYNAMIC DISASTERS IN CO...
- Publication number 20230127063
- Publication date Apr 27, 2023
- Shiming Wei
- E21 - EARTH DRILLING MINING
Information Patent Application
SAFETY EARLY WARNING METHOD AND DEVICE FOR FULL-SECTION TUNNELING O...
- Publication number 20220112806
- Publication date Apr 14, 2022
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Hongming LUO
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING BEARING COMPRESSION RATE OF FILLER...
- Publication number 20210277779
- Publication date Sep 9, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR ROCK BURST PREVENTION BY ACTIVE SUPPORT REINFORCEMENT AN...
- Publication number 20200032647
- Publication date Jan 30, 2020
- China University of Mining and Technology
- Caiping LU
- E21 - EARTH DRILLING MINING
Information Patent Application
MONITORING AND FOREWARNING METHOD FOR COAL-ROCK DYNAMIC DISASTERS B...
- Publication number 20200033496
- Publication date Jan 30, 2020
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Zhenlei LI
- G01 - MEASURING TESTING
Information Patent Application
FULL-ROADWAY FULL-PROCESS FULL-CROSS-SECTION SURFACE DEFORMATION MO...
- Publication number 20180371907
- Publication date Dec 27, 2018
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM
- Publication number 20170335688
- Publication date Nov 23, 2017
- Joy MM Delaware, Inc.
- Paul M. Siegrist
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK WALL CLOSURE DETECTION APPARATUS
- Publication number 20170058672
- Publication date Mar 2, 2017
- NCM INNOVATIONS (PTY) LTD
- Rual Abreu
- G08 - SIGNALLING
Information Patent Application
ROCK WALL CLOSURE DETECTION DEVICE
- Publication number 20160168994
- Publication date Jun 16, 2016
- NCM INNOVATIONS (PTY) LTD
- Rual Abreu
- G08 - SIGNALLING
Information Patent Application
ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM
- Publication number 20160061036
- Publication date Mar 3, 2016
- Joy MM Delaware, Inc.
- Paul M. Siegrist
- G08 - SIGNALLING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING MOVEMENT IN STRATA
- Publication number 20140076049
- Publication date Mar 20, 2014
- Stephen Anderson
- G01 - MEASURING TESTING
Information Patent Application
Stress and Strain Sensing Device
- Publication number 20130255394
- Publication date Oct 3, 2013
- Public Interest Incorporated Foundations Association for the
- Hiroshi Ishii
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR MONITORING GATEROAD STRUCTURAL CHANGE
- Publication number 20090134692
- Publication date May 28, 2009
- Commonwealth Scientific and Industrial Research Organisation
- Chad Owen Hargrave
- E21 - EARTH DRILLING MINING
Information Patent Application
Structure Monitor System
- Publication number 20080177482
- Publication date Jul 24, 2008
- Neubrex Co., Ltd.
- Kinzo Kishida
- E21 - EARTH DRILLING MINING
Information Patent Application
Instrumented rock bolt, data logger and user interface system
- Publication number 20050231377
- Publication date Oct 20, 2005
- Carl B. Sunderman
- E21 - EARTH DRILLING MINING

Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for monitoring resilience of shield tunnel based on multi-so...

Rock bolt assembly comprising a sensor assembly

Integrated manufacturing system and method for small-deformation se...

Method for real-time strength estimation, grading, and early warnin...

Determining method for bursting-preventing parameter of roadway sup...

Safety early warning method and device for full-section tunneling o...

System and method for monitoring bearing compression rate of filler...

Reaming and self-rotating anchor rod and using method thereof

Monitoring and forewarning method for coal-rock dynamic disasters b...

Method for rock burst prevention by active support reinforcement an...

Systems and methods for monitoring longwall mine roof stability

Full-roadway full-process full-cross-section surface deformation mo...

Roof support monitoring for longwall system

Locating underground markers

Rock wall closure detection apparatus

Roof support monitoring for longwall system

Rock wall closure detection device

Stress and strain sensing device

Method and apparatus for monitoring gateroad structural change

Structure monitor system

Instrumented rock bolt, data logger and user interface system

Method and apparatus for load rate monitoring

Device for measuring shifts in mountains

Method for characterization of rock strata in drilling operations

Strata movement indicators

Method of roof control in an underground mine

Overload protection device

Method and apparatus for determining compressive stress in pillars

Method and system for measuring three-dimensional displacement

Method and apparatus for measuring three dimensional stress in rock...

Patents Applicationslast 30 patents

A FIBER BRAGG GRATING MONITORING DEVICE FOR DYNAMIC DISASTERS IN CO...

SAFETY EARLY WARNING METHOD AND DEVICE FOR FULL-SECTION TUNNELING O...

SYSTEM AND METHOD FOR MONITORING BEARING COMPRESSION RATE OF FILLER...

METHOD FOR ROCK BURST PREVENTION BY ACTIVE SUPPORT REINFORCEMENT AN...

MONITORING AND FOREWARNING METHOD FOR COAL-ROCK DYNAMIC DISASTERS B...

FULL-ROADWAY FULL-PROCESS FULL-CROSS-SECTION SURFACE DEFORMATION MO...

ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM

ROCK WALL CLOSURE DETECTION APPARATUS

ROCK WALL CLOSURE DETECTION DEVICE

ROOF SUPPORT MONITORING FOR LONGWALL SYSTEM

SYSTEM AND METHOD FOR MONITORING MOVEMENT IN STRATA

Stress and Strain Sensing Device

METHOD AND APPARATUS FOR MONITORING GATEROAD STRUCTURAL CHANGE

Structure Monitor System

Instrumented rock bolt, data logger and user interface system