Patents by Inventor Saiphon C. Charoenphan

Saiphon C. Charoenphan 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).

  • Impact tool with tapered anvil wing design
    Patent number: 12257685
    Abstract: An anvil for an impact mechanism, where the anvil includes wings that taper at a taper angle of about 5 degrees to about 30 degrees. The anvil may also include a shaft extending from the wings, and a drive end adapted to transfer and apply torque to a work piece. The wings of the anvil also include wing impact surfaces that receive rotational impact forces from a hammer. For example, the hammer contacts and applies torque to the wings of the anvil.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 25, 2025
    Assignee: Snap-on Incorporated
    Inventors: Saiphon C. Charoenphan, Adrian J. Robillard, John E. Fuhreck, Collin T. Kohls