Patents by Inventor Edwin A. Carpenter

Edwin A. Carpenter 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
    Patent number: 3968549
    Abstract: A thread cutting tool including a removable cutting insert and a tool holder having engagable co-acting surfaces on the sides of the insert opposite that acted upon by the cutting forces so that these forces tend to hold in a fixed relationship relative to the holder. The insert is mounted on the tool at an angle substantially one-half the angle of the cutting tip so that only a single ground face is required.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: July 13, 1976
    Assignee: Allied Tool Products, Inc.
    Inventor: Edwin A. Carpenter