Patents Assigned to Minitube Systems
  • Hot water heating system
    Patent number: 4498623
    Abstract: A hot water heating system is disclosed in which the convectors or radiators are provided with thermostatic valves capable of shutting off the supply water to all radiators. In order to prevent damage to the pump some circulation is permitted at all times by means of a bypass opening in a manifold which directs water to and from the radiators.
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: February 12, 1985
    Assignee: Minitube Systems
    Inventor: Derek E. Rodd