Patents by Inventor Eugene T. Blockley

Eugene T. Blockley 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: 4357910
    Abstract: This invention relates to a multi-pass helical coil thermal fluid heater of improved thermal efficiency. The thermal fluid is heated while being circulated within concentric helical coils of the heater which are arranged in such a manner to improve overall thermal efficiency and simplify construction. Provision is also made for preheating of the thermal fluid and the heater combustion air to further improve thermal efficiency.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: November 9, 1982
    Inventors: Eugene T. Blockley, James A. Bell