Fluid motors
United States Patent 3236157
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Inventors:
Lovell, Walter C.
Lee III, Edmund S.
Gunas, Peter J.
Publication Date:
02/22/1966
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Assignee:
GUNVER MFG COMPANY
Primary Class:
91/224
Other Classes:
91/49, 92/31, 91/277, 173/169, 91/50
International Classes:
F03C1/007
US Patent References:
1104071
1132063
1173326
1224008
1369256Mechanical movement
1861042Rotary bit with hammering device
1910644Fluid motor
2620162Hammer type rotary rock-drilling bit
2873093Combined rotary and percussion drilling apparatus
2758817Percussion tools for wells
2813514Pneumatic saw and the like
2813516Pneumatic rotary drill hammer
2943603Fluid actuated impact tool