Patents by Inventor Raymond L. Martin

Raymond L. Martin 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).

  • Patent number: 7390151
    Abstract: A rotary cutter head is provided with helical carbide cutting blade inserts. The blade inserts extend along a helical path and are configured for cutting rotation in a predetermined direction. The blade inserts are secured to the cutter head body in a helical slot formed between a wall of the cutter head body and a plurality of clamping wedges. The blade insert may have a tapered body that facilitates locking and securing the blade insert to the cutter head body in a radial direction in response to centrifugal forces created as the rotary cutter head rotates.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: June 24, 2008
    Assignee: Great Lakes Custom Tool Mfg., Inc.
    Inventors: Raymond L. Martin, Russell L. Martin