Patents by Inventor Philip F. Kaupas

Philip F. Kaupas 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: 3985523
    Abstract: In a continuous process for the manufacture of fertilizer, contaminated condensate containing waste heat from the process is passed in heat exchange relation with a stream of contaminated air and entrained fertilizer solids. In this manner it is possible to remove substantially pure water vapor and air together with the fertilizer containing solution which can be used in the manufacture of the fertilizer.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: October 12, 1976
    Assignee: Foster Wheeler Energy Corporation
    Inventors: Philip F. Kaupas, Dellason F. Bress