Patents by Inventor Harald Skrobek

Harald Skrobek 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).

  • Continous production of sodium silicate solutions
    Patent number: 4676953
    Abstract: An apparatus for the continuous production of clear sodium silicate solution with an SiO.sub.2 :Na.sub.2 O weight ratio of 1-2.8:1 by fusing sand in aqueous sodium hydroxide using a pressure-sealed circulating suspension reactor having an upper portion comprising a partially tapered gravity thickener and a lower portion comprising a cylindrical jet loop mixer. The jet loop mixer has a concentric cylindrical insertion tube suspended therein, and a recirculating power jet nozzle is upwardly directed through the bottom of the jet loop mixer so that its stream is directed into the lower end of the insertion tube, causing a continuous circulation flow.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: June 30, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Lutz Jeromin, Heinrich Krings, Dieter Legel, Rudolf Novotny, Harald Skrobek