E21F13/068 - CPC Classification Index

ClassID:

136296 ⎘

E21F13/068 - CPC Classification

Classification description:

Transport specially adapted to underground conditions at or adjacent to the working face Transport of mined material; Scraper chain conveyors Special adaptations for use at the junction of the working face with the gallery, e.g. driving stations coupled to the driving station of the winning machine

Recent Application in this class:

20260103984

DOUBLE-END CHAIN TENSION FORCE CONTROL SYSTEM FOR CROSS SIDE-DUMPING TYPE FLIGHT CONVEYOR AND CONTROL METHOD THEREFOR

20170268335

MINING SYSTEMS

20150218943

Mining systems

20150176410

SUPPORT STRUCTURE FOR REVERSING STATION IN AN UNDERGROUND MINING CONVEYOR

20120241293

Tail drive assembly

20120234650

Transfer station

20120138431

Tail station for a scraper chain conveyor and chain wheel assembly therefor