Patents-Review.com
ClassID:

136049 ⎘

E21D11/152 - CPC Classification

Classification description:

Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings , e.g. by assembling; Lining predominantly with metal; Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members Laggings made of grids or nettings

Recent Application in this class:
#1
20250347226
2025-11-13

DEVICE FOR REAL-TIME MONITORING MOVEMENT TRAJECTORY OF MINE ROOF STRATA AND METHOD THEREOF

 #2
20240175357
2024-05-30

POLYMER MESH WITH REINFORCING BANDS FOR SKIN CONTROL IN HARD ROCK MINING

 #3
20230258085
2023-08-17

Composite support system based on steel-concrete support and shotcrete arch and construction process thereof

 #4
20230003125
2023-01-05

Screen handling system

 #5
20220372876
2022-11-24

Polymer mesh with reinforcing bands for skin control in hard rock mining

 #6
20220162940
2022-05-26

Method for mounting a roll of protective mesh material to an underground rock drilling machine, a method for attaching protective mesh material to a rock surface and a mounting device

 #7
20210388724
2021-12-16

Method of treating tunnel collapse using pavilion support

 #8
20210310355
2021-10-07

Polymer sheet, method of installing and producing same

 #9
20200355076
2020-11-12

Polymer mesh with reinforcing bands for skin control in hard rock mining

 #10
20200141238
2020-05-07

Roof mesh installation apparatus

 #11
20190345680
2019-11-14

Wire mesh

 #12
20190218910
2019-07-18

Asymmetric support structure of entry driven along gob-side under unstable roof in deep mines and construction method thereof

 #13
20190203598
2019-07-04

Polymer sheet, method of installing and producing same

 #14
20190048719
2019-02-14

Mesh handling device for mining or tunnelling equipment

 #15
20180355719
2018-12-13

Mesh supporting rock anchor

 #16
20180216406
2018-08-02

Tunnelling machine

 #17
20180094524
2018-04-05

Fill fence system and method for installing same

 #18
20180003053
2018-01-04

WALL SUPPORT STRAP

 #19
20150308269
2015-10-29

Mine roof bolt system

 #20
20150104261
2015-04-16

KNOTTED MESH AS SUPPORTING MATERIAL IN MINES

 #21
20140294514
2014-10-02

Screen-handling system and method of installing screening on a rock face

 #22
20140050532
2014-02-20

Mesh handling apparatus and related methods

 #23
20120213598
2012-08-23

Roof support sheet handling for underground mines

 #24
20110150575
2011-06-23

Method and apparatus for lining tunnel walls or tunnel ceilings with protective nets

 #25
20110044770
2011-02-24

Mesh system

 #26
20100266350
2010-10-21

Mining mesh with double knot

 #27
20080279627
2008-11-13

Method and Apparatus for Introducing a Roadway Support

 #28
18892431
2025-11-11

Device for real-time monitoring movement trajectory of mine roof strata and method thereof

 #29
18638552
2024-07-16

Rock burst active prevention and control mechanism