Patents by Inventor Willi Potes

Willi Potes 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).

  • Pump for hot corrosive melts
    Patent number: 6089829
    Abstract: The invention relates to a pump for discharging hot corrosive liquids, in particular molten salts, consisting of a pump pipe (1), a discharge pipe (2) dipping into the liquid and at least two valves (3, 4), whereby the liquid is discharged periodically by pressurisation.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: July 18, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Gestermann, Hans-Georg Janssen, Willi Potes, Heiko Herold
  • Working up spent sulphuric acid simultaneously with sulphate salts
    Patent number: 4153628
    Abstract: Spent sulphuric acid, either alongside or mixed with contaminated metal salts such as iron sulphate heptahydrate, is regenerated to fresh acid by countercurrent contact with gases from cleavage of the sulphate salts, such gases containing SO.sub.3 which effects build up of the acid concentration. The built up acid is evaporated in another stage to obtain pure acid. The metal sulphate solids are subjected to high temperature cleavage, generating SO.sub.3 which effects the previous concentration. Cleavage also produces some SO.sub.2 which is converted to SO.sub.3 by wet catalysis.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: May 8, 1979
    Assignees: Bayer Aktiengesellschaft, Metallgesellschaft Aktiengesellschaft
    Inventors: Rudolf Gerken, Hans Guth, Christoph Mucke, Willi Potes, Hermann Wieschen