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Dive into the research topics where Anton F. Zahradnik is active.

Publication


Featured researches published by Anton F. Zahradnik.


Archive | 2007

Expandable Reamers for Earth Boring Applications

Steven R. Radford; Scott Shiquiang Shu; Anton F. Zahradnik; J. Lindley Baugh


Archive | 2000

Steel body drill bits with tailored hardfacing structural elements

Robert J. Costo; James L. Overstreet; Anton F. Zahradnik; James L. Duggan; Russel S. Smith; Mark E. Morris


Archive | 2008

Hybrid drill bit and method of drilling

Anton F. Zahradnik; Rudolf Carl Pessier; Don Q. Nguyen; Michael S. Damschen; Karlos B. Cepeda; Tim King Marvel; Matt Meiners


Archive | 2007

Bearing insert sleeve for roller cone bit

Anton F. Zahradnik; Terry J. Koltermann; Don Q. Nguyen; Aaron J. Dick; Eric C. Sullivan; Scott Shiqiang Shu


Archive | 1996

Earth-boring bit with improved bearing seal

Anton F. Zahradnik; Eric C. Sullivan; Chih Lin; Terry J. Koltermann; Scott Schmidt


Archive | 2007

Expandable reamers for earth-boring applications and methods of using the same

Steven R. Radford; Scott Shiqiang Shu; Les T. Shale; Mark E. Morris; Mark R. Kizziar; Anton F. Zahradnik


Archive | 2008

Hybrid drill bit and design method

Anton F. Zahradnik; Rudolf Carl Pessier; Don Q. Nguyen; Matthew J. Meiners; Karlos B. Cepeda; Michael S. Damschen; Mark P. Blackman; Jack T. Oldham; Ronny D. McCormick


Archive | 2007

Seal insert ring for roller cone bits

Anton F. Zahradnik; Don Q. Nguyen; Ronny D. McCormick; Terry J. Koltermann; Michael Joseph Veasey


Archive | 2007

Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit

Anton F. Zahradnik; Rolf Pessier; Don Q. Nguyen; Michael S. Damschen; Karlos B. Cepeda; Tim King Marvel; Matt Meiners


Archive | 2006

Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture

Anton F. Zahradnik; Eric C. Sullivan; R. Scot Smith; Daniel E. Ruff; Danielle V. Roberts; Alan J. Massey

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