Inventor
GECZY BELA
US10 patents
Patents
10 patentsUS4732491AMar 22, 1988
Downhole motor bearing assembly
SMITH INTERNATIONAL76 citations95
US4720199AJan 19, 1988
Bearing structure for downhole motors
SMITH INTERNATIONAL162 citations95
US4667751AMay 26, 1987
System and method for controlled directional drilling
SMITH INTERNATIONAL70 citations95
US4632193ADec 30, 1986
In-hole motor with bit clutch and circulation sub
SMITH INTERNATIONAL68 citations95
US4710036ADec 1, 1987
Bearing assembly
SMITH INTERNATIONAL39 citations92
US4657090AApr 14, 1987
Tapered friction bearing assembly
SMITH INTERNATIONAL47 citations92
US4299296ANov 10, 1981
In-hole motor drill with bit clutch
SMITH INTERNATIONAL39 citations92
US4276944AJul 7, 1981
In-hole motor with bit clutch
SMITH INTERNATIONAL33 citations92
US4719076AJan 12, 1988
Tungsten carbide chips-matrix bearing
SMITH INTERNATIONAL19 citations78
US4253532AMar 3, 1981
In-hole motor drill with locking bit clutch
SMITH INTERNATIONAL18 citations73