E21D11/04 - CPC Classification Index

ClassID:

136035 ⎘

E21D11/04 - 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

Sub-classes:

E21D11/05 » using compressible insertions 8
E21D11/06 » with bricks 2
E21D11/08 » with preformed concrete slabs 36
E21D11/10 » with concrete cast in situ; Shuttering {also lost shutterings, e.g. made of blocks, of metal plates} or other equipment adapted therefor 41
E21D11/12 » Temporary supports for use during building ; Accessories 4

Recent Application in this class:

20250333360

2025-10-30

Structure Protection Sheet, Concrete Block, and Method for Manufacturing Reinforced Structure

20240368885

2024-11-07

COMPOSITE FOAM-GLASS ELEMENTS AND USE THEREOF

20230349290

2023-11-02

Shield tunnel segment structure and construction method thereof

20230107548

2023-04-06

Structure Protection Sheet, Concrete Block, and Method for Manufacturing Reinforced Structure

20230068068

2023-03-02

Reinforcement system at railway tunnel section passing through karst cave with large dip angle and construction method

20190039271

2019-02-07

Method for preparing a two-component article and article obtainable by the method

20180195391

2018-07-12

Pumpable mine ventilation structure

20180163540

2018-06-14

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

20180051437

2018-02-22

Prefabricated bamboo composite utility tunnel

#10

20160245082

2016-08-25

PUMPABLE MINE VENTILATION STRUCTURE

#11

20160053614

2016-02-25

PROTECTIVE ELEMENT, CONCRETE ELEMENT, AND METHOD FOR PRODUCING A CONCRETE ELEMENT

#12

20160010456

2016-01-14

METHOD FOR PRODUCING A TUBBING HAVING A THERMOPLASTIC SEALING LAYER

#13

20150125215

2015-05-07

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

#14

20110252734

2011-10-20

Vibration resistant reinforcement for buildings

#15

20110252715

2011-10-20

Vibration resistant civil structure block for buildings