Membership
Tour
Register
Log in
anchored at one or both ends to the mine working face
Follow
Industry
CPC
E21C29/06
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C29/00
Propulsion of machines for slitting or completely freeing the mineral from the seam
Current Industry
E21C29/06
anchored at one or both ends to the mine working face
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Haulage chain for a mineral winning installation
Patent number
5,244,256
Issue date
Sep 14, 1993
Meco A.F.C. Limited
Peter Howard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Arrangement for guiding a cutting machine or similar mining machine...
Patent number
5,161,858
Issue date
Nov 10, 1992
Halbach and Braun Industrieanlagen
Gert Braun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Guide for a hewing machine mounted on a conveyor
Patent number
5,131,723
Issue date
Jul 21, 1992
Kloeckner-Becorit GmbH
Franz Roling
E21 - EARTH DRILLING MINING
Information
Patent Grant
Contour miner
Patent number
4,260,195
Issue date
Apr 7, 1981
Daniel; John M.
Gwyn G. Hart
E21 - EARTH DRILLING MINING
Information
Patent Grant
1328755
Patent number
1,328,755
Issue date
Jan 20, 1920
E21 - EARTH DRILLING MINING