Patents-Review.com
ClassID:

136172 ⎘

E21D21/0006 - CPC Classification

Classification description:

Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection characterised by the bolt material

Recent Application in this class:
#1
20250257658
2025-08-14

BOLTER

 #2
20250146415
2025-05-08

PREFABRICATED TUNNEL PRESTRESSED ANCHOR AND MANUFACTURING METHOD AND USE METHOD THEREFOR

 #3
20250092787
2025-03-20

ROCK BOLT

 #4
20240175360
2024-05-30

Carbon Fiber Rock Bolt

 #5
20230417141
2023-12-28

BOLTER

 #6
20230383652
2023-11-30

HOLLOW ROD COMPOSITE ANCHOR WITH IMPROVED SETTING CAPABILITY AND METHOD FOR SETTING A HOLLOW ROD COMPOSITE ANCHOR INTO A ROCK STRATUM

 #7
20230340879
2023-10-26

Bolter

 #8
20220106880
2022-04-07

Bolter

 #9
20220106838
2022-04-07

Bolter

 #10
20210396138
2021-12-23

Self-anchored opposite-pulling anti-impact anchor cable for sectional coal pillars and using method thereof

 #11
20210381376
2021-12-09

System and method for supporting sidewalls or ribs in coal mines

 #12
20210363885
2021-11-25

Light weight rockbolt components and a non-metallic rockbolt

 #13
20210340872
2021-11-04

Single-anchor centrally grouted full-length anchored steel wire bundle and supporting method thereof

 #14
20210071526
2021-03-11

System and method for supporting sidewalls or ribs in coal mines

 #15
20210062311
2021-03-04

NPR steel material for rock bolt and production method thereof

 #16
20200317570
2020-10-08

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #17
20200277856
2020-09-03

Rock bolt

 #18
20200157939
2020-05-21

Adapted rock bolt with improved installation properties

 #19
20190153862
2019-05-23

METHOD AND SYSTEM OF COAL MINE ROOF STABILIZATION

 #20
20190135689
2019-05-09

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #21
20190100998
2019-04-04

Groutable rock anchor assembly

 #22
20180291738
2018-10-11

Oval bar

 #23
20180291737
2018-10-11

Grout delivery system

 #24
20180245468
2018-08-30

CABLE BOLTS

 #25
20180171800
2018-06-21

SHEAR AND TENSILE REINFORCEMENT FOR INFLATABLE BOLT

 #26
20180016900
2018-01-18

Corrosion resistant yieldable bolt

 #27
20180002228
2018-01-04

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #28
20170342836
2017-11-30

Method of supporting a rock wall

 #29
20160348505
2016-12-01

Method and system of coal mine roof stabilization

 #30
20160237819
2016-08-18

Rib strap

 #31
20160177718
2016-06-23

MULTIPLE-POINT ANCHORED ROCK BOLT

 #32
20150337659
2015-11-26

Connection means with shape memory

 #33
20150152729
2015-06-04

Rock bolting system, method of installing rock bolts, and flexible bolt centralizer

 #34
20150043976
2015-02-12

Strand, cable bolt and its installation

 #35
20130294845
2013-11-07

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #36
20130236250
2013-09-12

Fiberglass roof and rib plate

 #37
20120291951
2012-11-22

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #38
20120251765
2012-10-04

METHOD AND PLANT FOR PRODUCING A FIBERGLASS PROFILE TO BE USED AS REINFORCING ELEMENT FOR STRENGTHENING AN EXCAVATION WALL

 #39
20120219365
2012-08-30

Rock Bolt

 #40
20120155969
2012-06-21

Anchor Module and a Method for Producing an Anchor Module

 #41
20120128444
2012-05-24

Anchor Module for Mining and Tunneling

 #42
20110209819
2011-09-01

METHOD FOR MANUFACTURE OF A FIBER REINFORCED REBAR

 #43
20110103896
2011-05-05

Cuttable drilling tool, and a cuttable self drilling rock bolt

 #44
20110052332
2011-03-03

Yielding bolt and assembly

 #45
20100290840
2010-11-18

PLASTIC ROCK-BOLT OR DOWEL AND METHOD OF MANUFACTURING OF THE SAME

 #46
20100252953
2010-10-07

Coated mining bolt

 #47
20100113650
2010-05-06

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

 #48
20090297278
2009-12-03

Fiber reinforced plastic drilling anchor

 #49
20080261042
2008-10-23

FIBER REINFORCED REBAR

 #50
20080107488
2008-05-08

Rockbolt of high strength steel pipe and method of manufacturing the same

 #51
20080008541
2008-01-10

Dry Grout Composition And Capsule For Anchoring Reinforcing Member, Dowel Or Anchor Elements

 #52
20070292231
2007-12-20

Plastic rock-bolt or dowel

 #53
20070081864
2007-04-12

Rockbolts made of steel pipes

 #54
20060258782
2006-11-16

Toughened polyethylene terephthalate

 #55
20050134104
2005-06-23

Coated mining bolt