E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
342/2, 342/26, 2
E21C 35/24 (2006.01) E21C 35/10 (2006.01)
Patent
CA 1291250
ABSTRACT OF THE DISCLOSURE A method for remotely controlling the mechanical functions of a coal cutting machine's electrohydraulic system which utilizes a medium frequency remote control communication system and a coal-rock interface sensor. The coal-rock interface sensor is a shielded resonant horizontal loop antenna.
549827
Baldridge David L.
Stolarczyk Larry G.
Baldridge David L.
Smart & Biggar
Stolar Inc.
Stolarczyk Larry G.
LandOfFree
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