136320 ⎘
Methods or devices for use in mines or tunnels, not covered elsewhere Special adaptations of signalling or alarm devices
Sub-classes:DOUBLE-END CHAIN TENSION FORCE CONTROL SYSTEM FOR CROSS SIDE-DUMPING TYPE FLIGHT CONVEYOR AND CONTROL METHOD THEREFOR
#2SENSOR SYSTEM AND A METHOD FOR A MINING VEHICLE
#3EARLY WARNING AND EMERGENCY DEVICE FOR SUDDEN STRESS CHANGE IN SURROUNDING ROCK AND METHOD OF USE
#4ADAPTER FOR ROCK OR BUILDING ANCHOR SYSTEM
#5SYSTEM FOR AUTOMATED MEASUREMENT OF LEVELNESS OF END SURFACE OF TUNNEL RING
#6SENSOR APPARATUS FOR USE IN A TUNNEL
#7WEAR INDICATOR
#8DIRECTIONAL INDICATOR DEVICE
#9Method for Detecting Stress State of Roadway Surrounding Rocks Based on Three-Dimensional Electric Potential Response
#10Inventory System for Mines
#11PRIORITY BASED FREQUENCY ALLOCATION IN A COLLISION DETECTION SYSTEM
#12Coal Spontaneous Combustion Downhole Detection System and Method Based on Self-Potential Method
#13INTERIOR POSITIONING SYSTEM FOR TRACKING COMMUNICATION DEVICES WITHIN A REMOTE LOCATION, AND METHOD THEREFORE
#14MONITORING AND WARNING DEVICE FOR ROCK BURST IN COAL MINE
#15Dual-Power Hydraulic Roof Bolter
#16BLAST HOLE MEASUREMENT AND LOGGING
#17Subway tunnel intelligent monitoring method and system
#18EVALUATION METHOD OF DUCTILITY OF GROUTED ROCK MASS FOR ADVANCED RENOVATION OF WATER-SAND MIXTURE INRUSH AREA
#19TEST METHOD FOR GAS AND TEMPERATURE DISTRIBUTION IN A GOAF
#20TEST DEVICE FOR GAS AND TEMPERATURE DISTRIBUTION IN A GOAF
#21SYSTEMS AND METHODS FOR MEASURING MINE TUNNEL ENVIRONMENTAL INFORMATION
#22MULTI-FACTOR QUANTITATIVE ANALYSIS METHOD FOR DEFORMATION OF NEIGHBORHOOD TUNNEL
#23TUNNEL AUTOMATIC MONITORING AND MEASUREMENT EQUIPMENT AND METHOD BASED ON FIXED-POINT TOUR MEASUREMENT
#24TUNNEL OPERATION ROBOT
#25Method for Water and Moisture Management for a Mining Operation
#26Method for measuring gas pressure of close-distance seam group simultaneously
#27Hydraulic Support with Quick Response Function for Coal Wall Spalling
#28Low-energy-consumption grading and positioning method for coal mine auxiliary transportation vehicle and system thereof
#29Method for real-time strength estimation, grading, and early warning of rock mass in tunnel boring machine (TBM) tunneling
#30ROOF SUPPORT INCLUDING EXTENDABLE LINKS
#31INTELLIGENT TUNNEL SEGMENT MONITORING SYSTEM
#32Tunnel boring machine having a device for detecting a content of critical gas
#33Automatic microseismic monitoring-intelligent rockburst early warning integrated system and method for tunnel boring machine (TBM)-based construction
#34ROCK-PIERCING FLEXIBLE ROCK DRILLING ROBOT AND ROCK BREAKING METHOD
#35Cable handling system for longwall mining machines
#36Sensing method for collecting multivariate information at a goaf side based on chutes of scraper conveyors
#37Warning device for a mining control module
#38Interior positioning system for tracking communication devices within a remote location, and method therefore
#39System and method of transient electromagnetic advanced detection
#40Travelling-type tunnel hard-rock micro-damage cutting equipment and construction method associated therewith
#41Low current self-illuminated power cable which retains flexibility, and method of manufacturing same
#42Protecting trolley and construction method of rock burst prewarning protection system in non-contact tunnel construction
#43Drilling device for surveying front rock-mass intactness of tunnel face for tunnel constructed by TBM and method using the same
#44Ceramic smart impact panel
#45Interference protection device and method for hydraulic support and cutting part of shearer
#46Wellbore inspection system and method for ultra-deep vertical shaft
#47Impact feedback system for longwall shearer operator
#48System and method for monitoring water inrush
#49Method and system for controlling communication of a mining and/or construction machine
#50Method and apparatus for preventing accident in tunnel
#51Multi-system, multi-parameter, integrated, comprehensive early warning method and system for coal and rock dynamic disaster
#52Position monitoring of a gasket between tunnel segments
#53Method for inspecting service performance of tunnel lining based on defect characteristics thereof
#54Method for classifying phreatic leakage disaster level in shallow coal seam mining
#55System for extracting gas from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity
#56Systems and methods for detection of underground voids
#57Method for calculating earth pressure load on a tunnel
#58Hose for providing an emergency fresh air supply to an underground vault after an explosion
#59Device and method for measuring dynamic evolution of three-dimensional disturbed stress under mining disturbance
#60Roof support including extendable links
#61COAL TRACKER
#62SYSTEM FOR TRANSMITTING DATA FROM AN UNDERGROUND VEHICLE
#63Inclined shaft continuous feeding system for solid filling materials
#64Blast reconciliation for mines
#65Intelligent and flexible steel arch protection device for rockfall and collapse of tunnels
#66Loaded-to-frame detection equipment and method for backfill grouting of shield tunnel
#67Horizon monitoring for longwall system
#68Hazard point marking method and system
#69Horizon monitoring for longwall system
#70System for transmitting data from an underground vehicle
#71Zone passage control in worksite
#72Rock movement sensor for use during blasting
#73Horizon monitoring for longwall system
#74System and method for remote monitoring of drilling equipment
#75Anchoring system and methods
#76Multipoint coal and rock mass stress real-time monitoring device and method
#77Context-Aware Collision Avoidance Devices and Collision Avoidance System Comprising the Same
#78Stabilization based path planning
#79SYSTEM AND METHOD FOR MONITORING UNDERGROUND WORKSITE
#80Proximity detection systems and methods
#81Solid-filling coal mining feeding and conveying monitoring system
#82Mine management system
#83Detecting sump depth of a miner
#84Horizon monitoring for longwall system
#85Proximity awareness safety device and system
#86Operation management device of self-propelling mining equipment
#87DETERMING AN ACTIVITY OF A MOBILE MACHINE
#88Proximity detection systems and methods
#89Detecting sump depth of a miner
#90SHEARER ANTI-COLLISION
#91Operation control system for mining machine and operation control method for mining machine
#92Method and system for increasing the operational safety of mobile machines in aboveground or underground mining operations for the extraction of minerals by utilizing the RFID technology
#93Multi-information coupling prediction method of coal and gas outburst danger
#94METHOD AND SYSTEM FOR DETERMINING STRUCTURAL CHANGES IN A LONGWALL MINE
#95System and method for remote monitoring of drilling equipment
#96Method for locating persons and/or mobile machines in mine caverns using RFID technology, and longwall face extraction installation for carrying out the method
#97Guide apparatus
#98Network infrastructure for mobile machines which can be used in areas at risk of explosion
#99PORTABLE SEISMIC COMMUNICATION DEVICE
#100SIGNAL DEVICE
#101Tracking and monitoring system for opencast mines
#102Miner acoustic communication and location system
#103Safety device for the movable excavation devices in an underground longwall mine
#104Network for Confined Hazardous or Other Extreme Environments
#105Low-power wirelessly-linked RFID tracking system
#106Wireless information and safety system for mines
#107Method, system and media for wireless process control of mobile equipment
#108REMOTELY CONTROLLED MINING MACHINES, CONTROL SYSTEMS, AND RELATED METHODS
#109Miner acoustic communication and location system
#110Method of controlling the conveyance of product in underground mining operations
#111Worksite avoidance system
#112BI-DIRECTIONAL SEISMIC COMMUNICATION SYSTEM AND METHOD
#113Mine safety system
#114Network for confined hazardous or other extreme environments
#115Personal locator beacon
#116Safety system
#117Perception evaluation method for service performance of highway tunnel lining structure
#118Method and device for determining development status of separation layer of coal mine
#119Method for monitoring and analyzing large tunnel machines based on automatic collection of big data
#120Method for monitoring resilience of shield tunnel based on multi-source heterogeneous data
#121Coal or rock dynamic disaster warning apparatus and method
#122Mine dust real-time detection system based on double-photo acoustic spectrometry and detection method
#123Climate change reducing malodorous composition of matter and warning system
#124Real-time water-level monitoring system for dumping site of open-pit coal mine, and methods of establishment and use of the same