Patents by Inventor Thomas C. Zolik

Thomas C. Zolik 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).

  • Heat exchanger for recovering waste heat
    Patent number: 4503902
    Abstract: Heat exchanger means for extracting heat from the flue gases of a warm air furnace is in the form of a tube wound spirally to define a first passageway wherein ambient air is heated by the flue gases passing through a second passageway between segments of the first passageway for the ambient air, the tube being provided with a deflector directing the flue gases through the second passageway and a shroud for controlling exhaust gases passing through and leaving the convolute tube.
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: March 12, 1985
    Inventor: Thomas C. Zolik