Patents by Inventor John A. Plumer, Jr.

John A. Plumer, 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).

  • Method and apparatus for protecting electrical systems from lightning strike effects
    Patent number: 4093978
    Abstract: Electrical apparatus and power distribution systems are protected from lightning strike currents and voltages by the addition of mutually coupled chokes, such as bifilarly wound chokes, in electrical series relationship with the apparatus and the power distribution system to increase the impedance therebetween and cause lightning currents to flow along alternate current paths.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: June 6, 1978
    Assignee: General Electric Company
    Inventor: John A. Plumer, Jr.