Patents by Inventor Clifford B. Elbrader

Clifford B. Elbrader 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).

  • Support means for filter material in a non-electric air cleaner
    Patent number: 4363643
    Abstract: A filter assembly in an air cleaner includes a lower wire-form adapted to receive two opposite ends of a pliable filter material. Spaced wires on the lower wire-form enable manual forming of pleats in the filter material and define the tops of such pleats. A complementary upper wire-form is engageable with the lower wire-form and attached filter to define the bottoms of such pleats.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: December 14, 1982
    Assignee: Emerson Electric Co.
    Inventors: Clifford B. Elbrader, Jimmy L. Milum
  • Electrostatic air cleaner and mounting means therefor
    Patent number: 4290788
    Abstract: A rigid cutout template is attached to the thin wall of a return air duct and suitably positions and supports an electrostatic air cleaner inserted into the duct through a cutout therein defined by the template. A power-pac and control box is secured elsewhere to the duct and includes high voltage power supply means, an air flow responsive switch and means visually indicating the existence of a power supply, the connection therewith of the electrostatic cell, and normal and abnormal current flow through the electrostatic cell.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: September 22, 1981
    Assignee: Emerson Electric Co.
    Inventors: Robert R. Pittman, Clifford B. Elbrader, Jimmy L. Milum