Patents by Inventor Kees C. Pette

Kees C. Pette 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 for the anaerobic purification of waste water
    Patent number: 4253956
    Abstract: In apparatus for the anaerobic purification of waste water the invention aims at improving the structure and the operation. In known apparatus of this kind there is a reactor tank with one or more aftersettling compartments in the upper part thereof, with inlet and outlet openings for water and sludge into and from the aftersettling compartments from and into the reactor tank respectively.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: March 3, 1981
    Assignee: N.V. Centrale Suiker Maatschappij
    Inventor: Kees C. Pette
  • Apparatus for the anaerobic purification of waste water
    Patent number: RE32597
    Abstract: In apparatus for the anaerobic purification of waste water the invention aims at improving the structure and the operation. In known apparatus of this kind there is a reactor tank with one or more aftersettling compartments in the upper part thereof, with inlet and outlet openings for water and sludge into and from the aftersettling compartments from and into the reactor tank respectively.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: February 9, 1988
    Assignee: Gist-Brocades N.V.
    Inventor: Kees C. Pette