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Mark P Blackman, Jay S Bird, Michael S Beaton: Rotary drill bit with improved cutter and seal protection. Dresser, Baker & Boots, September 26, 1995: US05452771 (115 worldwide citation)

A rotary cone drill bit for forming a borehole having a body with an underside and an upper end portion adapted for connection to a drill string. The drill bit rotates around a central axis of the body. A number of angularly-spaced arms are integrally formed with the body and depend therefrom. Each ...


2
Mark P Blackman, Jay S Bird, Michael S Beaton: Rotary drill bit with improved cutter and seal protection. Dresser, Baker & Botts, May 21, 1996: US05518077 (109 worldwide citation)

A rotary cone drill bit for forming a borehole having a body with an underside and an upper end portion adapted for connection to a drill string. The drill bit rotates around a central axis of the body. A number of angularly-spaced arms are integrally formed with the body and depend therefrom. Each ...


3
Mark P Blackman, Jay S Bird, Michael S Beaton: Rotary drill bit with improved cutter. Dresser, Baker & Botts, July 4, 1995: US05429200 (62 worldwide citation)

A rotary cone drill bit for forming a borehole having a body with an underside and an upper end portion adapted for connection to a drill string. The drill bit rotates around a central axis of the body. A number of angularly-spaced arms are integrally formed with the body and depend therefrom. Each ...


4
Michael S Beaton, Jay S Bird: Rotary cone drill bit modular arm. Dresser, Baker & Botts L, June 24, 1997: US05641029 (42 worldwide citation)

A drill bit (20) for a modular arm (70) is provided. The modular arm (70) includes an inside surface (76) having first (144) and second (146) angled surfaces whose lower portions form an inwardly projecting wedge (125). A curved throat relief area (87) connects to a lower edge (152) of the wedge (12 ...


5
Michael S Beaton: Wear resistant cutter insert structure and method. Dresser, Robert Groover, Betty Formby, Groover & Associates PC, November 21, 2000: US06148938 (13 worldwide citation)

A wear resistant cutter insert structure and method include a stud having at least one face. A primary tapered ridge and at least one secondary tapered ridge extending from the primary tapered ridge are formed in the face. A layer of abrasive material is disposed over the face covering the primary a ...


6
Michael S Beaton: Seamless oriented metal fiber structure. Brunswick Corporation, Art Greif, April 4, 1989: US04818630 (1 worldwide citation)

A tube-like, abradable seal, exhibiting superior abradability and gas flow blockage, is produced by laying metal fibers into an open-ended annular die such that the fibers are oriented substantially perpendicular to the longitudinal axis of the tubular die. The fibers are thereafter compressed withi ...


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