Patents by Inventor Walters Francois Du Toit

Walters Francois Du Toit 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).

  • Separator
    Patent number: 6183634
    Abstract: A separator includes a vessel having feed means for feeding liquid containing suspended solids into the vessel, a liquid outlet, a sludge outlet, and at least one settling member located above the sludge outlet, the settling member having an inner settling surface and outer settling surface, with the inner settling surface surrounding an aperture extending through settling member.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: February 6, 2001
    Assignee: Bateman Process Equipment Limited
    Inventors: Walters Francois Du Toit, Rudolf Max Vey