Patents by Inventor Fred L. Moller

Fred L. Moller 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).

  • Overvoltage protection device
    Patent number: 4334257
    Abstract: An overvoltage protection device for wires, preferably telephone cables, comprises overvoltage arresters (11) of the discharge tube type and connection clamps (7, 8) for the wires, which connection clamps are placed in a terminal block (2). The device is manufactured in such a manner that the overvoltage arresters (11) are enclosed in a detachable cassette (16) and so that the terminal box (2) is pivotal to allow for insertion and removal of the cassette (16). The cassette comprises a number of spaces for the overvoltage arresters (11) and a movable lock (19) to retain and to release the overvoltage arresters (11) respectively.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: June 8, 1982
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Per A. A. Ekdahl, Fred L. Moller