Patents by Inventor Paul A. Frohwerk

Paul A. Frohwerk 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: 4481155
    Abstract: Rectangular clay tiles for a liquid cooling tower are provided with openings to increase the heat and mass transfer which is provided by the tiles. Each rectangular tile includes four side walls and inner partitions or webs which provide a plurality of vertically extending open cells. Each side wall and each partition is provided with at least one horizontal opening for each cell formed by that side wall or partition, and liquid and air can flow into or out of the cells through the openings.
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: November 6, 1984
    Assignee: Ceramic Cooling Tower Company
    Inventor: Paul A. Frohwerk
  • Patent number: 4382046
    Abstract: A water cooling tower includes a heat and mass transfer section which is formed from a plurality of layers of multi-cell tiles and spacers between the layers of tiles. Water flows over and downwardly through the cells of the tiles and between adjacent tiles, and air is drawn upwardly through the tower to cool the water.
    Type: Grant
    Filed: September 22, 1981
    Date of Patent: May 3, 1983
    Assignee: Ceramic Cooling Tower Company
    Inventor: Paul A. Frohwerk