Patents by Inventor John Grzebyk

John Grzebyk 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).

  • Cutting tool for cutting and countersinking holes
    Patent number: 10265782
    Abstract: A cutting tool is configured to cut and countersink a hole in a workpiece. The cutting tool includes a shank and a fluted body extending along an axis. The body includes a tip, a chamfer in an axially spaced relationship with the tip and a cross hole with a proximal end opening to the chamfer. The body has a cutting section extending between the tip and the chamfer, and a countersinking section extending along the chamfer. At the cutting section, the body includes at least one hole-cutting edge. At the countersinking section, the body includes a scalloped countersink-cutting edge along a junction of the chamfer and the proximal end of the cross hole.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: April 23, 2019
    Assignee: Link Industries
    Inventors: Jeffrey J. Veryser, Wayne Rocheleau, Dwaine D. Lee, John Grzebyk
  • CUTTING TOOL FOR CUTTING AND COUNTERSINKING HOLES
    Publication number: 20180185932
    Abstract: A cutting tool is configured to cut and countersink a hole in a workpiece. The cutting tool includes a shank and a fluted body extending along an axis. The body includes a tip, a chamfer in an axially spaced relationship with the tip and a cross hole with a proximal end opening to the chamfer. The body has a cutting section extending between the tip and the chamfer, and a countersinking section extending along the chamfer. At the cutting section, the body includes at least one hole-cutting edge. At the countersinking section, the body includes a scalloped countersink-cutting edge along a junction of the chamfer and the proximal and of the cross hole.
    Type: Application
    Filed: December 30, 2016
    Publication date: July 5, 2018
    Inventors: Jeffrey J. Veryser, Wayne Rocheleau, Dwaine D. Lee, John Grzebyk