Patents by Inventor Sawang Notthakun

Sawang Notthakun 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: 5378267
    Abstract: A modular air stripper apparatus comprised of a plurality of stacked air stripping chambers.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: January 3, 1995
    Assignee: Carbonair Environmental Services, Inc.
    Inventors: David E. Bros, Sawang Notthakun
  • Patent number: 5182030
    Abstract: The present invention is a method of purifying fluid having organic material. The method comprises two operational steps. The first step includes passing the fluid through an adsorbent such that the organic material is substantially adsorbed by the adsorbent and the fluid is substantially purified. The second step includes destroying the adsorbed organic material on the adsorbent and regenerating the adsorbent in a form substantially free of adsorbed organic material.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: January 26, 1993
    Assignee: Board of Control of Michigan Technological University
    Inventors: John C. Crittenden, Sawang Notthakun, David W. Hand, David L. Perram