Patents-Review.com
ClassID:

136032 ⎘

E21D11/006 - 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 anchored in the rock

Recent Application in this class:
#1
20250198286
2025-06-19

COMPOSITE SUPPORT STRUCTURE COMBINING BAG-BASED BACKFILL GROUTING AND HIGH-STRENGTH SUPPORT FRAME, AND CONSTRUCTION METHOD

 #2
20240175357
2024-05-30

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

 #3
20220372876
2022-11-24

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

 #4
20220251796
2022-08-11

Panel system for rockburst or landslide containment in mining tunnels and road works consisting of a frame attached to a strap mesh whose nodes are linked by connecting buckles; and installation procedure

 #5
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

 #6
20210310355
2021-10-07

Polymer sheet, method of installing and producing same

 #7
20210071524
2021-03-11

Control structure for rib spalling of coal wall with large mining height based on flexible reinforcement and construction equipment therefor

 #8
20200355076
2020-11-12

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

 #9
20200318479
2020-10-08

Rock bolt with meshing adapter

 #10
20200017412
2020-01-16

Fireproof material and fireproof plate, and fireproof wall structure for tunnel and construction method

 #11
20190292909
2019-09-26

System for re-tensioning mine roof channels

 #12
20190203598
2019-07-04

Polymer sheet, method of installing and producing same

 #13
20190153862
2019-05-23

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

 #14
20190112925
2019-04-18

Tunnel wall element and a method of assembling tunnel walls comprising the tunnel wall elements

 #15
20160348505
2016-12-01

Method and system of coal mine roof stabilization

 #16
20160237819
2016-08-18

Rib strap

 #17
20150345053
2015-12-03

COMPOSITE ROPE AND MESH NET MADE THEREFROM

 #18
20150300168
2015-10-22

Method and system of coal mine roof stabilization

 #19
20150226248
2015-08-13

Torque Tension Breakaway Nut

 #20
20150192016
2015-07-09

TRUSS EYE

 #21
20150192013
2015-07-09

TRUSS SYSTEM INSTALLATION

 #22
20120082515
2012-04-05

Roof and Rib Support Having Reverse C-Channel

 #23
20120034038
2012-02-09

Splice tube with wedge retaining caps

 #24
20120034037
2012-02-09

Curved Mine Roof and Rib Support

 #25
20110250024
2011-10-13

Mine Roof and Rib Support with Vertical Bolt

 #26
20100054870
2010-03-04

Mine roof and rib support with reinforced channel

 #27
20090285641
2009-11-19

Mine roof and rib support device

 #28
20090136299
2009-05-28

TUNNEL SUPPORTED ON BEARING BLOCKS

 #29
20070264090
2007-11-15

Roof truss shoe having wedge retention device and method of using the same

 #30
20060072972
2006-04-06

Elongate element tensioning member

 #31
20060067795
2006-03-30

Elongate element tensioning member

 #32
20050201837
2005-09-15

Truss shoe

 #33
20050115188
2005-06-02

Truss shoe for a mine roof and method

 #34
20050031420
2005-02-10

Mine roof-support truss

 #35
19099804
2025-06-17

Composite supporting structure combining fabric-form bag-behind-wall grouting and high-strength support frames, and construction method thereof