Patents by Inventor Ned Padwa

Ned Padwa 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: 4731691
    Abstract: A symmetry sensing safety circuit for automatically stopping electrical current flow through a thyristor to an electrical device which is supplied by a source of alternating current electrical energy.
    Type: Grant
    Filed: June 6, 1986
    Date of Patent: March 15, 1988
    Assignee: National Technical Systems
    Inventor: Ned Padwa