Patents by Inventor Gerard Schaaff

Gerard Schaaff 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).

  • Installation for skimming a vat
    Patent number: 5376269
    Abstract: An installation for skimming a vat 1, having a sweeping filter screen 2 whose vertical plane can be rotated so that its bottom edge sweeps the top surface of the contents of the vat 1 so as to remove scum by pushing it towards a spillway 5.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: December 27, 1994
    Assignee: NORDON et Cie
    Inventors: Rene Sauvage, Gerard Schaaff