Patents-Review.com
ClassID:

136169 ⎘

E21D20/026 - CPC Classification

Classification description:

Setting anchoring-bolts with provisions for grouting; Grouting with organic components, e.g. resin Cartridges; Grouting charges

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

BOLTER

 #2
20240200452
2024-06-20

A Drill Head Injection System for a Self-Drilling Rock Bolt Assembly

 #3
20230417141
2023-12-28

BOLTER

 #4
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

 #5
20230340879
2023-10-26

Bolter

 #6
20220106880
2022-04-07

Bolter

 #7
20220106838
2022-04-07

Bolter

 #8
20210381501
2021-12-09

Hydraulic and control system for resin injection

 #9
20210340872
2021-11-04

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

 #10
20210040849
2021-02-11

Grouting anchor bolt and grouting anchor cable for supporting of large deformation and constant resistance and quantitative roadway supporting method

 #11
20200300089
2020-09-24

Encapsulation system and method of installing a rock bolt

 #12
20200173281
2020-06-04

ROCK BOLT WITH RELEASEABLY FIXABLE BUNG

 #13
20200088032
2020-03-19

A RESIN ANCHORED ROCK BOLT WITH A LOCATING FORMATION AT A LEADING END

 #14
20200088031
2020-03-19

Resin anchored rock bolt with a piercing end

 #15
20190145257
2019-05-16

Hydraulic and control system for resin injection

 #16
20180291738
2018-10-11

Oval bar

 #17
20180030832
2018-02-01

Tensionable cable anchor assembly and a tensioning device for tensioning same

 #18
20180016900
2018-01-18

Corrosion resistant yieldable bolt

 #19
20170253358
2017-09-07

Method for forming easily separable portion in packaging film, package bag having easily separable portion, and filling-packing machine

 #20
20170015052
2017-01-19

Method and apparatus for dispensing reactive two-part systems

 #21
20150300171
2015-10-22

Device, method and system for loading fixatives for rock bolts

 #22
20150267537
2015-09-24

Rock anchoring system and method

 #23
20150192015
2015-07-09

Tubular rock anchor

 #24
20140010598
2014-01-09

Rock Bolt

 #25
20130336726
2013-12-19

Apparatus and method for anchor bolt grouting

 #26
20130236251
2013-09-12

Rock bolt sealing system

 #27
20130156510
2013-06-20

Rock bolt

 #28
20130064609
2013-03-14

ROCK ANCHOR

 #29
20130004246
2013-01-03

Adhesive containing tubular rock anchor

 #30
20130004245
2013-01-03

Yielding Spiral Bolt Appendage for a Rock Bolt

 #31
20120282059
2012-11-08

Adhesive package and use thereof with an anchoring element

 #32
20120275867
2012-11-01

Apparatus and method for anchor bolt grouting

 #33
20120243946
2012-09-27

Filling of partitioned film packages for anchoring systems for mines

 #34
20120155971
2012-06-21

Rock Bolt

 #35
20120091016
2012-04-19

Method for preserving the firmness and internal pressure of a resin cartridge and improving the shelf-life of a resin cartridge

 #36
20110201726
2011-08-18

Resin mortar suitable for construction purposes, especially for chemical anchoring

 #37
20110105696
2011-05-05

Resin system with carbon additive

 #38
20110100470
2011-05-05

Multi-speed resin cartridge production system

 #39
20100284762
2010-11-11

Self-drilling fastening element

 #40
20100183379
2010-07-22

Anchoring systems and methods of use thereof

 #41
20100074696
2010-03-25

Apparatus and method for securing resin set bolts when performing rock bolting

 #42
20090279961
2009-11-12

Resin insertion device and methods of inserting resin

 #43
20080219775
2008-09-11

Bolt assembly

 #44
20070177949
2007-08-02

Adapter member of a rock anchor

 #45
20060153645
2006-07-13

Rock bolt