Patents-Review.com
ClassID:

136310 ⎘

E21F17/00 - CPC Classification

Classification description:

Methods or devices for use in mines or tunnels, not covered elsewhere

Sub-classes:
Recent Application in this class:
#1
20260093052
2026-04-02

METHOD FOR SEISMIC FRAGILITY ANALYSIS OF SHIELD TUNNEL CONSIDERING SURFACE SURCHARGE EFFECTS

 #2
20260086009
2026-03-26

Testing device and testing method for mechanical properties of spray anchor net support system

 #3
20250382770
2025-12-18

CONTROLLING OPERATION OF A WORK MACHINE

 #4
20250328837
2025-10-23

Mining System

 #5
20250230749
2025-07-17

ARTIFICIAL INTELLIGENCE-BASED METHOD FOR IDENTIFYING LOCATIONS OF WATER INRUSH POINTS IN MINE

 #6
20250092626
2025-03-20

COMPOSITION, METHOD AND SYSTEM FOR STABILISING A ROCK MASS

 #7
20240346215
2024-10-17

METHOD FOR DESIGNING PARAMETERS OF AN ADVANCE STRESS RELIEF HOLE IN A ROCKBURST SOURCE ZONE OF A CONSTRUCTION TUNNEL IN DEEP-SEATED HARD ROCKS

 #8
20240319047
2024-09-26

Ultra-large physical simulation facility for deep engineering disasters

 #9
20240190714
2024-06-13

Leaching-Seepage Process of Sodium Sulfate in Thenardite Tailing Stack

 #10
20220349147
2022-11-03

Platform, system and method for simulating critical rock collapse of surrounding rock in underground engineering

 #11
20220327420
2022-10-13

Automated pressure level detection and correction

 #12
20220316337
2022-10-06

Ultra-long tunnel sewage disposal, separation and drainage structure suitable for cold regions

 #13
20220260607
2022-08-18

Methods and systems for tunnel profiling

 #14
20220252387
2022-08-11

Method for monitoring large deformation of tunnel surrounding rock based on automatic target tracking and ranging system

 #15
20220120714
2022-04-21

Tunnel defect detection and management system based on vibration signal of moving train

 #16
20210364194
2021-11-25

APPARATUS POWERED BY COMPRESSED FLUID

 #17
20210310353
2021-10-07

Nuclear power heavy construction, mining and processing apparatus to make Exo-planetary infrastructures operational for enmasse strategic minerals and water mining production

 #18
20210232137
2021-07-29

System for controlling a plurality of autonomous vehicles on a mine site

 #19
20210180455
2021-06-17

METHOD FOR TREATING A HIGH AND STEEP LANDSLIDE IN A MINE WITH A GENTLY-INCLINED AND WEAK INTERLAYER

 #20
20210174279
2021-06-10

Mining System

 #21
20210048419
2021-02-18

Tunnel toxic-and-harmful-gas deep-hole detection device and method

 #22
20210018315
2021-01-21

Anchor bolt length determination method based on monitoring of roof rock stratum horizontal extrusion force

 #23
20200258492
2020-08-13

NOISE SUPPRESSION DEVICE

 #24
20200248552
2020-08-06

Reaming and self-rotating anchor rod and using method thereof

 #25
20200242748
2020-07-30

Slope stability visualisation

 #26
20200053627
2020-02-13

SYSTEM FOR TRANSMITTING DATA FROM AN UNDERGROUND VEHICLE

 #27
20190323340
2019-10-24

Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement

 #28
20190316454
2019-10-17

Stress-transfer method in tunnel with high ground pressure based on fracturing ring

 #29
20190156539
2019-05-23

Hazard point marking method and system

 #30
20180371907
2018-12-27

Full-roadway full-process full-cross-section surface deformation monitoring device and method

 #31
20180358532
2018-12-13

SYSTEM TO CONVERT IN ELECTRICITY, THE HEAT ASSOCIATED TO THE ENVIRONMENT TEMPERATURE IN THE INTERIOR OF TUNNELS OR SIMILAR

 #32
20180229245
2018-08-16

Method of sorting and utilizing coal and rock for coal and rock combined mining face

 #33
20180206175
2018-07-19

System for transmitting data from an underground vehicle

 #34
20180081079
2018-03-22

Method and system for georeferencing underground data

 #35
20180003316
2018-01-04

Pressure control apparatus

 #36
20170217685
2017-08-03

Articulated liner system for mining equipment and associated methods

 #37
20170146679
2017-05-25

Test apparatus and a test method for the wetted perimeter of coal seam water injection

 #38
20170067341
2017-03-09

System and method for hang-up assessment and removal

 #39
20160201460
2016-07-14

Artificial dam of distributed coal mine underground reservoir and its constructing method

 #40
20160070828
2016-03-10

Vulnerability Assessment Method of Water Inrush from Aquifer Underlying Coal Seam

 #41
20160003279
2016-01-07

Anchor head and anchor nut for a tension anchor

 #42
20150078831
2015-03-19

Auxiliary tunneling apparatus

 #43
20150069815
2015-03-12

Tunnel excavation method

 #44
20150001911
2015-01-01

Highwall mining equipment retrieval and extraction apparatus and method

 #45
20140321914
2014-10-30

Controlled dewatering of confined, saturated formations in excavation mines

 #46
20140265521
2014-09-18

Highwall mining equipment retrieval and extraction apparatus and method

 #47
20140246292
2014-09-04

Box check for conveyor belt and method of installation

 #48
20130336726
2013-12-19

Apparatus and method for anchor bolt grouting

 #49
20130016104
2013-01-17

Mine operation monitoring system

 #50
20120275867
2012-11-01

Apparatus and method for anchor bolt grouting

 #51
20120046927
2012-02-23

Integrated automation system with picture compilation system

 #52
20120046818
2012-02-23

Integrated automation system for regions with variable geographical boundaries

 #53
20110214424
2011-09-08

Energy generation system including pressure vessels with flexible bladders having elongate valve tubes contained therein that contain a plurality of flow apertures for communication of fluid therewith

 #54
20070052374
2007-03-08

Device for illuminating the stope support at a longwall face

 #55
17730031
2022-10-04

Filling bag and sealing method for drilled hole for detection in three zones of overburden

 #56
17524992
2022-05-10

Similar simulation experimental device of hydraulic energy-absorbing roadway support

 #57
14032341
2017-08-01

Support system, excavation arrangement, and process of supporting an object