E21C29/14 - CPC Classification Index

ClassID:

135833 ⎘

E21C29/14 - CPC Classification

Classification description:

Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face

Sub-classes:

E21C29/145 » {Means for tensioning the haulage chains or cables} 4
E21C29/16 » Winches or other means for pulling cable or chain 4
E21C29/18 » Coupling and uncoupling machine to cable or chain 1

Recent Application in this class:

20170292378

2017-10-12

Plow guide assembly for plow guides

20140368021

2014-12-18

Plowing device

20140077042

2014-03-20

Fiber optic cable protection in a mining system

20120187746

2012-07-26

Fiber optic cable protection in a mining system

20120065012

2012-03-15

Chain drive or return arrangement and chain assembly and sprocket employed therein

20110024268

2011-02-03

Extraction device, particularly for mining, and method for controlling the extraction device

20100320828

2010-12-23

Drive station for an underground plough system and method for repairing recovery ploughs

20070042850

2007-02-22

Chain drive or return arrangement and chain assembly and sprocket employed therein