Patents-Review.com
ClassID:

136006 ⎘

E21D9/104 - CPC Classification

Classification description:

Tunnels or galleries, with or without linings; Methods or apparatus for making thereof ; Layout of tunnels or galleries; Making by using boring or cutting machines with rotary cutting tools Cutting tool fixtures

Sub-classes:
Recent Application in this class:
#1
20260043331
2026-02-12

TUNNEL BORING MACHINE

 #2
20250376926
2025-12-11

Hybrid Tunnel Boring Using Combination of Thermal and Mechanical Processes

 #3
20240084700
2024-03-14

CUTTING-RING ASSEMBLY

 #4
20220412215
2022-12-29

HOUSING MOUNT ASSEMBLY FOR A ROLLER CUTTER

 #5
20220259973
2022-08-18

CUTTING APPARATUS

 #6
20220145757
2022-05-12

Cutting tool for a tunnel boring machine and a tunnel boring machine

 #7
20210262292
2021-08-26

Cutting roller

 #8
20210003009
2021-01-07

Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection

 #9
20200141236
2020-05-07

Cutting apparatus

 #10
20200131904
2020-04-30

Cutting apparatus

 #11
20200123900
2020-04-23

Cutting apparatus

 #12
20190345823
2019-11-14

Roller cutter unit for undercutting machine

 #13
20190298753
2019-10-03

Methods for treating pulmonary hypertension

 #14
20190112924
2019-04-18

Tunnel boring machine

 #15
20180334906
2018-11-22

Cutter housing with inline mounting

 #16
20180298755
2018-10-18

Ripping and scraping cutter tool assemblies, systems, and methods for a tunnel boring machine

 #17
20180258764
2018-09-13

Cutter housing with field-replaceable seats

 #18
20170342776
2017-11-30

Retractable auger head

 #19
20170130579
2017-05-11

Cutter disc with set back teeth for tunnel boring machine

 #20
20170122104
2017-05-04

Clamped-ring cutter assembly for tunnel boring machine

 #21
20170122103
2017-05-04

High-precision sensors for detecting a mechanical load of a mining tool of a tunnel boring machine

 #22
20170101868
2017-04-13

Roller cutter arrangement and cutting wheel equipped with said roller cutter arrangement

 #23
20160273358
2016-09-22

Cutter holder for a tunnel boring machine and an associated cutting set

 #24
20160032724
2016-02-04

Ripping and scraping cutter tool assemblies, systems, and methods for a tunnel boring machine

 #25
20150028657
2015-01-29

CUTTER FOR SHAFT AND/OR TUNNEL BORING

 #26
20140357461
2014-12-04

Bit exchange method and bit exchange device for shield tunneling machine

 #27
20140252843
2014-09-11

Tunnel boring machine disc cutters and related methods of manufacture

 #28
20140232167
2014-08-21

Device for monitoring the state of rotation of a disk cutter arrangement of a shield tunnel boring machine and disk cutter arrangement for a shield tunnel boring machine

 #29
20140217805
2014-08-07

Drill bit exchange device for shield tunneling machine

 #30
20140105532
2014-04-17

Roller bearing with at least two rows of rolling elements, in particular for a tunneler

 #31
20130045055
2013-02-21

Method for replacing a tunnel boring machine roller cutter, handling device and roller cutter suited to such a method

 #32
20120212034
2012-08-23

Cutter assembly for tunnel boring machine with pressure compensation

 #33
20110031017
2011-02-10

Abrasion detecting apparatus detecting abrasion of component of cutter head and tunnel boring machine including abrasion detecting apparatus

 #34
20100126778
2010-05-27

Cutter assembly for a raise boring reamer

 #35
20090297273
2009-12-03

Apparatus and method for monitoring tunnel boring efficiency

 #36
20060144200
2006-07-06

Cutting ring for disk rolls pertaining to partial and/or full cutting machines

 #37
17692960
2024-03-19

Rolling wedge cutter drum