Patents by Inventor Nigel C. Meany

Nigel C. Meany has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Diamond cutting structure for drilling hard subterranean formations
    Patent number: 5460233
    Abstract: A rotary drag bit for drilling hard rock formations with substantially planar PDC cutting elements having diamond tables backed by substrates which flare or taper laterally outwardly and rearwardly of the cutting edge of the diamond table. A cutting structure defining a "lipped" cutting edge is also disclosed.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: October 24, 1995
    Assignee: Baker Hughes Incorporated
    Inventors: Nigel C. Meany, Craig H. Cooley, Gordon A. Tibbitts