Patents by Inventor John Wese

John Wese 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: 5209843
    Abstract: The present invention relates to method and apparatus for treating waste water, particularly metal-containing waste water. The process includes separating and removing metals and other impurities from the waste water by the sequential addition of a base, a polyelectrolyte and an acrylamide-containing copolymer dispersion. The purified water is recycled for continuous reuse while the small quantities of metal-rich residue are available for reclamation.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: May 11, 1993
    Inventor: John Wese
  • Patent number: 5207923
    Abstract: The present invention relates to method and apparatus for treating waste water, particularly metal-containing waste water. The process includes separating and removing metals and other impurities from the waste water by the sequential addition of a base, a polyelectrolyte and an acrylamide-containing copolymer dispersion. The purified water is recycled for continuous reuse while the small quantities of metal-rich residue are available for reclamation.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: May 4, 1993
    Inventor: John Wese