Patents by Inventor John M. W. Newman

John M. W. Newman 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).

  • Boring tools
    Patent number: 4260303
    Abstract: A boring tool has a cylindrical body (1) with cutter blades (7) slidable at an angle to the body axis. The projection of the blades beyond the body and thus the boring diameter is set by a rotatable advancing member (12) having a conical head (11) to engage the blades and a threaded shank (13) within a threaded portion (14) in the body. Rotation of the member (12) is produced by rotation of a worn (17) engaging a worm wheel (16) fast to the shank.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: April 7, 1981
    Inventor: John M. W. Newman