E21D15/502 - CPC Classification Index

ClassID:

136118 ⎘

E21D15/502 - CPC Classification

Classification description:

Props ; Chocks, e.g. made of flexible containers filled with backfilling material; Component parts or details of props Prop bodies characterised by their shape, e.g. of specified cross-section

Recent Application in this class:

20210156251

2021-05-27

Adjustable lattice girder

20200325776

2020-10-15

Mine roof support, pre-installation assembly for same, and method of installation

20200173280

2020-06-04

Underground support

20190085690

2019-03-21

Apparatus and method for pre-loading mechanical constant-resistance single prop

20150204192

2015-07-23

Mine roof support

20140348596

2014-11-27

NESTED MINE ROOF SUPPORTS

20130136545

2013-05-30

Nested mine roof supports