Patents by Inventor Cody A. Pearce

Cody A. Pearce 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).

  • DRILL BITS WITH AXIALLY-TAPERED WATERWAYS
    Publication number: 20100089660
    Abstract: Implementations of the present invention include drilling tools having axially-tapered waterways that can increase flushing and bit life, while also decreasing clogging. According to some implementations of the present invention, the waterways can be radially tapered in addition to being axially tapered. The axially-tapered waterways can include notches extending into the cutting face of the drilling tools and/or slots enclosed within the crown of the drilling tools. Implementations of the present invention also include drilling systems including drilling tools having axially-tapered waterways, and methods of forming drilling tools having axially-tapered waterways.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 15, 2010
    Applicant: LONGYEAR TM, INC.
    Inventors: Cody A. Pearce, Christian M. Lambert, Michael D. Rupp
  • Drill bit with tapered waterway
    Patent number: D622745
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: August 31, 2010
    Assignee: Longyear TM, Inc.
    Inventors: Cody A. Pearce, Michael D. Rupp, Christian M. Lambert
  • Drill bit with tapered waterway
    Patent number: D647114
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: October 18, 2011
    Assignee: Longyear TM, Inc.
    Inventors: Cody A. Pearce, Michael D. Rupp, Christian M. Lambert