ClassID:

136043

E21D11/102 - 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 with building materials with concrete cast ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor Removable shuttering; Bearing or supporting devices therefor

Recent Application in this class:
#1
20260022637
2026-01-22

MOVABLE FORMWORK SYSTEM FOR CLADDING PART OF A TUNNEL

#2
20250198285
2025-06-19

TRAVELLING FORMWORK FOR CONCRETE FORMING OF A TUNNEL

#3
20250163806
2025-05-22

WORK CARRIAGE FOR THE LINING OF TUNNELS

#4
20240052743
2024-02-15

AUTOMATED METHOD AND PROCESSING TRAIN FOR LINING TUNNELS

#5
20230220774
2023-07-13

Modular tunnel formwork device

#6
20230220773
2023-07-13

Modular tunnel formwork device

#7
20210231014
2021-07-29

Full-circle secondary lining inverted arch construction formwork system for long-distance tunnel and formwork transporting method

#8
20210148231
2021-05-20

Formwork for the production of concrete articles

#9
20210108515
2021-04-15

Hydraulic end die of tunnel secondary lining trolley and construction method therefor

#10
20200002957
2020-01-02

Formwork having adjustable curvature for producing concrete products with a curved profile

#11
20180094524
2018-04-05

Fill fence system and method for installing same

#12
20170268337
2017-09-21

Roller bracket for tunnel forms

#13
20170254202
2017-09-07

Formwork system

#14
20160333543
2016-11-17

Retainment wall for underground mine and method of construction

#15
20150125215
2015-05-07

METHOD FOR CONSTRUCTING A TUNNEL COURSE, AND STRUCTURAL ELEMENT FOR USE BY THE METHOD

#16
20120121337
2012-05-17

SYSTEMS AND METHODS FOR PROVIDING A CONCRETE-REINFORCED BORE

#17
20090279955
2009-11-12

Mine seal with electrically non-conductive ties

#18
18977605
2025-07-08

Method of and system for in-situ creation of concrete arches