Patents by Inventor Edmond P. Nischwitz

Edmond P. Nischwitz 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).

  • Patent number: 4258879
    Abstract: A room heating device (10) includes a hollow grate (30) for heating water contained therein and for heating air communicating therethrough in response to a fire. The hollow grate (30) has a plurality of interconnected ducts (40-45) and a conduit (50) passing through the ducts (40-45) defining a water and steam containing chamber (48) externally of the conduit (50) and a passage (54) internally of the conduit (50). A fan (92) forces air to be heated through the passage (54) and outwardly to a room. The grate (30) finds particular utility in a fireplace (12) for supporting a plurality of logs (97).
    Type: Grant
    Filed: February 6, 1979
    Date of Patent: March 31, 1981
    Inventor: Edmond P. Nischwitz