Patents by Inventor Norman Washburn

Norman Washburn 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).

  • Photocatalytic oxidation enhanced evaporator coil surface for fly-by control
    Patent number: 6182461
    Abstract: A heat exchanger coil has its fins coated with a photocatalytic semi-conductor material in such a manner that its fins may then be illuminated by UV light to activate the material so as to cause the oxidation of organic pollutants which are on the fin coils themselves or in the air passing therethrough. A preferred photocatalytic semi-conductor material is titanium dioxide, which may be applied to the fin stock prior to the fabrication of the coil.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: February 6, 2001
    Assignee: Carrier Corporation
    Inventors: Norman A. Washburn, Timothy J. Roberts, Christian C. Herbeck
  • Air heating apparatus
    Patent number: 5038750
    Abstract: A space heating appliance employing a radiant burner that burns a gaseous fuel and a plurality of heat pipes to transfer heat produced by the burner to the air to be heated. The appliance is adaptable for use in outdoor "packaged" units, together with an air conditioning system, for heating ventilation and air conditioning (HVAC) systems in commercial buildings, and is also adaptable for use in indoor residential or commercial applications.
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: August 13, 1991
    Assignee: Carrier Corporation
    Inventors: Chester D. Ripka, Norman Washburn