Patents by Inventor Chad A. Swope

Chad A. Swope 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).

  • Countersink Roof Bit Drill And Method For Using The Same
    Publication number: 20080251296
    Abstract: A roof bit drill has a central shaft with a front end and a back end. The drill also has a base secured about the central shaft proximate to the front end, wherein the base has clearance channels extending axially therethrough. At least one cutting element is arranged on the base in a convex cutting pattern to permit loosened material to be evacuated. The roof bit drill may further include a drill depth locator to identify when the drill has been advanced within a mine roof to a predetermined depth. A method for using the roof drill bit is also disclosed herein.
    Type: Application
    Filed: April 10, 2007
    Publication date: October 16, 2008
    Applicants: Jennmar Corporation, Kennametal Inc.
    Inventors: Brandon S. Stables, Douglas E. Bise, John G. Oldsen, Donald E. Keller, David Scott Rife, John C. Stankus, Chad A. Swope