Patents by Inventor Frank D. Schowengerdt

Frank D. Schowengerdt 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).

  • Apparatus and method for dust control by condensation enlargement
    Patent number: 4497641
    Abstract: An apparatus and method of controlling dust by enlarging and collecting dust particles through vapor nucleation and condensation. The dust particles are enlarged from sizes less than one micron to as large as ten microns. The apparatus and method can greatly improve dust control in mines and other industrial environments.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: February 5, 1985
    Assignee: Colorado School of Mines
    Inventors: James T. Brown, Jr., Frank D. Schowengerdt