Patents by Inventor Edwin C. Goodwin, Jr.

Edwin C. Goodwin, Jr. 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).

  • Circuit breaker having a single pull-rod operating system with a selective trip-free control
    Patent number: 3932719
    Abstract: A single pull-rod mechanism operatively arranged externally of gas insulated sealed enclosures for actuating the several contacts and associated blast valves of one or more circuit breakers. The mechanism is external of the enclosure to facilitate adjustment and servicing without the necessity of breaching the integrity of the gas sealed enclosures. Also provided is a selective mechanism for insuring that the blast valves are in closed positions and recoupled to the actuating mechanisms prior to the opening movement of the contacts.
    Type: Grant
    Filed: December 26, 1973
    Date of Patent: January 13, 1976
    Assignee: Allis-Chalmers Corporation
    Inventors: Edwin C. Goodwin, Jr., George K. Benham