Patents Assigned to Rav Shemesh B.M.
  • Solar heater
    Patent number: 4480635
    Abstract: The present invention relates to a solar heater for heating water comprising two sheets of blackened materials constituting one unit connected to each other by partition walls constituting longitudinal channels for the water to be heated and at both sides manifolds suitably closed at their ends having an inlet or outlet for the cold and hot water, respectively. The invention relates also to a method for the preparation of said solar heater.
    Type: Grant
    Filed: February 4, 1983
    Date of Patent: November 6, 1984
    Assignee: Rav Shemesh B.M.
    Inventor: Izhar Ostrovsky