Patents by Inventor W. Edwin Sauer

W. Edwin Sauer 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).

  • Solar assisted dryer apparatus and method
    Patent number: 4099338
    Abstract: Drying apparatus and process are shown featuring a fresh gas flow warmed for obtaining a low temperature rise in comparatively large volume by solar heat collection, then further heated and passed into drying relationship with the material to be dried.
    Type: Grant
    Filed: November 10, 1976
    Date of Patent: July 11, 1978
    Assignee: Proctor & Schwartz, Inc.
    Inventors: Joseph V. Mullin, W. Edwin Sauer