1
Bela A Geczy: Thrust bearing assembly for a downhole drill motor. Smith International, Price Gess & Ubell, December 24, 1985: US04560014 (266 worldwide citation)

A bidirectional thrust bearing assembly is used between a downhole fluid motor and a rock bit for drilling oil wells. The bearing assembly has a stationary housing with radial journal bearing sleeves and a rotatable drive shaft also having radial bearing sleeves. A pair of oppositely facing thrust b ...


2
Bela A Geczy: Thrust and radial bearing assembly. Smith International, Christie Parker & Hale, April 16, 1985: US04511193 (29 worldwide citation)

A combined radial and thrust bearing assembly is set forth for a down-hole drilling assembly to journal a shaft, mounting the drill bit, in a housing. The bearing assembly is used between a down-hole fluid powered motor and a drill bit for drilling oil wells, for example. The bearing assembly includ ...


3
John E Tschirky, Bela A Geczy: Sealed bearing means for in hole motors. Smith International, Philip Subkow, Bernard Kriegel, May 11, 1982: US04329127 (21 worldwide citation)

An in hole fluid motor for driving a drill bit utilizing the circulation of drilling fluid to drive the motor, having a sealed bearing assembly. The bearing assembly has a hollow, rotary drive shaft disposed within a tubular relatively stationary housing with radial bearings and thrust bearings disp ...


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Bela A Geczy: Articulatable joint with multi-faceted ball and socket. Halliburton Company, Conley Rose & Tayon, June 18, 1996: US05527220 (12 worldwide citation)

An articulatable joint which is embodied within a coupling useful for transferring eccentric rotational energy and motion into concentric rotational energy and motion. The coupling is incorporated into a downhole drill string and applied to connect a motor section to a drill bit shaft within a drill ...


6
John E Tschirky, Bela A Geczy: Spring-loaded bearings for in-hole motors. Smith International Corporation, Philip Subkow, September 28, 1976: US03982797 (12 worldwide citation)

This invention relates to spring-loaded thrust bearings for shafts subject to a plurality of levels of thrust loads and in its preferred embodiment is applied to in-hole motors. The invention employs a plurality of spring systems, whereby the thrust load on one set of springs is limited to one level ...


7
Bela A Geczy: Locking fastener assembly. Smith International, Christie Parker & Hale, February 26, 1985: US04501521 (4 worldwide citation)

A locking fastener assembly has a fastener with a generally cylindrical body with external threads for assembly with a hollow outer member. Crenellations are provided at a first end of the body for engaging an inner member in the hollow member for preventing rotation of the inner member relative to ...


8
Brian G Cleveland, Bela A Geczy: Method and apparatus for using synthesized analog data for testing read circuitry in a magnetic tape data storage subsystem. Storage Technology Corporation, Dorr Carson Sloan & Peterson, March 10, 1992: US05095310

The system of the present invention makes use of a data synthesizer to produce a synthesized analog data signal representative of a special encoded binary waveform to perform a test on both the magneto resistive element as well as the associated read path electronics independent of operator interven ...



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