Patents by Inventor Jan C. Clason

Jan C. Clason 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).

  • Vacuum switching apparatus with double interruption and including an interposed barrier
    Patent number: 4107496
    Abstract: In vacuum switching apparatus for interconnecting a bus bar to a feeder cable and selectively connecting the bus bar and feeder cable to ground, a first vacuum switching path within a housing is connected to a bus bar and a second vacuum switching path within a housing is connected to the feeder cable. A barrier is mounted between the first and second switching paths for conducting switch-off current from either one of the switching paths to ground and means are provided for interconnecting the barrier to ground.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: August 15, 1978
    Assignee: Hazemeijer B.V.
    Inventor: Jan C. Clason