Patents Represented by Attorney Mark Perdue

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  • Fixed cutter bit with improved diamond filled compacts
    Patent number: 5273125
    Abstract: In an improved single piece earth boring bit of the type having a body including a solid bit face on one end and a shank on the opposite end for connection in a drill string, an improved cutting structure having diamond filled compacts used as a wear resistant inserts. The improved compacts have hard metal jackets and integrally formed diamond cores. The improved compacts are advantageously used as wear resistant inserts in the gage and heel rows of the bit.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: December 28, 1993
    Assignee: Baker Hughes Incorporated
    Inventor: Stephen R. Jurewicz