E21D11/08 - CPC Classification Index

ClassID:

136039 ⎘

E21D11/08 - 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 preformed concrete slabs

Sub-classes:

E21D11/083 » {Methods or devices for joining adjacent concrete segments} 19
E21D2011/086 » {Making of concrete lining segments} 1

Recent Application in this class:

20250305415

2025-10-02

METHOD FOR BUILDING A TRAFFIC TUNNEL, A CONDUIT SHAFT, OR A PRESSURISED WATER SHAFT BY WAY OF THE TUBBING CONSTRUCTION METHOD

20240376821

2024-11-14

Apparatus and Methods for Underground Structures and Construction Thereof

20230332504

2023-10-19

System and method for simultaneous excavation and segment erection of TBM by thrust shell

20230313681

2023-10-05

INTELLIGENT SEGMENT WITH CONCRETE EMBEDDED WITH GAS/LIQUID-FILLED STEEL PIPES

20220025766

2022-01-27

Reinforced concrete tubbing segment

20220018130

2022-01-20

METHOD OF PRODUCING PRECAST BUILDING PRODUCTS

20210355827

2021-11-18

Tunnel lining composed of at least two concrete elements

20210239003

2021-08-05

Tunnel support system and method

20200407935

2020-12-31

Apparatus and methods for underground structures and construction thereof

#10

20200284147

2020-09-10

Reinforcement system for the concrete lining of the inner shell of a tunnel construction

#11

20200263543

2020-08-20

Tunnel support system and method

#12

20200263542

2020-08-20

Underground support system and method

#13

20200017412

2020-01-16

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

#14

20190309625

2019-10-10

Protective element with drainage, for connecting to a concrete element of a tunnel extension

#15

20190309497

2019-10-10

Precast Concrete Panels Used as Surface Lining of Perimeter Surfaces of Excavations

#16

20190257202

2019-08-22

Helical segmental lining

#17

20190003305

2019-01-03

Tunnel boring machine backup train comprising means for conveying an arch segment

#18

20180305886

2018-10-25

Apparatus and methods for underground structures and construction thereof

#19

20180080219

2018-03-22

FORMWORK FOR USE IN THE CONSTRUCTION OF ARCHED STRUCTURES AND METHOD OF CONSTRUCTING ARCHED STRUCTURES

#20

20170362817

2017-12-21

Anchor rail and building structure having an anchor rail

#21

20170175527

2017-06-22

Method for producing a construction element, in particular a tunnel element, having a watertight seal

#22

20170167261

2017-06-15

Construction element for creating a tunnel, tunnel comprising such an element and methods for constructing such an element and such a tunnel

#23

20170051496

2017-02-23

Formwork for use in the construction of arched structures and method of constructing arched structures

#24

20160290135

2016-10-06

Protective element, concrete element, and method for producing a concrete element

#25

20160215472

2016-07-28

Apparatus and methods for underground structures and construction thereof

#26

20150125215

2015-05-07

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

#27

20140137508

2014-05-22

Rehabilitation of deteriorated manhole and other sewer structures

#28

20130078040

2013-03-28

Apparatus and methods for underground structures and construction thereof

#29

20120301224

2012-11-29

Protective element, concrete element, and method for producing a concrete element

#30

20120237300

2012-09-20

Tubbing lining having an integrated flexible element

#31

20120233934

2012-09-20

Formwork for use in the construction of arched structures and a method of constructing arched structures

#32

20100279076

2010-11-04

Manufacturing Method of Round Surface Panel and Manufacturing Apparatus of Round Surface Panel, Round Panel Lining, and Construction Method of Round Panel

#33