Patents Assigned to Henrik P. Hofsass
  • Thermal switch
    Patent number: 5309131
    Abstract: An easily and preferably fully automatically manufacturable thermal switch having a minimum number of parts is disclosed. The thermal switch has two connecting parts fixed to a support part. One connecting part carries a fixed contact and the other connecting part is connected through a high resistance to a movable contact switchable by a bimetallic element. The support part is a ceramic part forming the high resistance from a PTC material and the connecting parts are almost completely frictionally engage support part.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: May 3, 1994
    Assignees: Ulrika Hofsass, Marcel P. Hofsass, Denis P. Hofsass, Henrik P. Hofsass, Carola R. Hofsass, Benjamin M. Hofsass
    Inventors: Peter Hofsass, deceased, by Henrik P. Hofsass, heir, by Carola R. Hofsass, heir, by Benjamin M. Hofsass, heir, Jens Radbruch, Guenter Kruck