Patents Assigned to Hynes Electric Heating Company
  • Patent number: 4087706
    Abstract: The present application presents a setup utilizing a float in an enclosed space as a bridging contact, on the basis of the liquid level in the area to control, to activate a semiconductor relay having a time delay for such activation, and is especially valuable where the liquid level involved is that of a non-conductive liquid under severe conditions.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: May 2, 1978
    Assignee: Hynes Electric Heating Company
    Inventor: George L. Koester, Jr.