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Class Information
Number: 175/105
Name: Boring or penetrating the earth > With below-ground tool drive prime mover > Electric > Reciprocating
Description: Apparatus wherein the electric motor is of the type having a rectilinearly reciprocating part.










Patents under this class:

Patent Number Title Of Patent Date Issued
8302682 Wireline tractor device Nov. 6, 2012
7866416 Clutch for a jack element Jan. 11, 2011
7134512 Method of downhole drilling and apparatus therefor Nov. 14, 2006
7011162 Hydraulically activated swivel for running expandable components with tailpipe Mar. 14, 2006
5018590 Electromagnetic drilling apparatus May. 28, 1991
4558751 Apparatus for transporting equipment through a conduit Dec. 17, 1985
4273193 Process for use in degasification of subterranean mineral deposits Jun. 16, 1981
4271915 Elastically vibratory longitudinal jacketed drill Jun. 9, 1981
4181184 Soft-wire conductor wellbore telemetry system and method Jan. 1, 1980











 
 
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