Patents by Inventor Helmut Siegl

Helmut Siegl 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: 9802838
    Abstract: A method and apparatus are disclosed for treating process water which is loaded with gaseous compounds and/or possibly with solids and comes from a wet-cleaning installation for cleaning process gas, e.g., from a melt-reduction subassembly or from a direct-reduction subassembly. Process water is introduced in a tank in a first process stage and degassed on the basis of reduced solubility of the dissolved compounds. The tank has, on its upper side, a gas-collecting chamber, in which the separated-off gases are collected and from which these are discharged. Likewise, the treated process water is discharged from the tank via a drainage means.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: October 31, 2017
    Assignees: POSCO, PRIMETALS TECHNOLOGIES AUSTRIA GMBH
    Inventors: Alois Gstoettenmayr, Hado Heckmann, Kurt Lukschander, Robert Millner, Ulrike Schmidt, Helmut Siegl, Johann Wurm, Chong Won Choi, Seok Min Yoon
  • Publication number: 20130284019
    Abstract: A method and apparatus are disclosed for treating process water which is loaded with gaseous compounds and/or possibly with solids and comes from a wet-cleaning installation for cleaning process gas, e.g., from a melt-reduction subassembly or from a direct-reduction subassembly. Process water is introduced in a tank in a first process stage and degassed on the basis of reduced solubility of the dissolved compounds. The tank has, on its upper side, a gas-collecting chamber, in which the separated-off gases are collected and from which these are discharged. Likewise, the treated process water is discharged from the tank via a drainage means.
    Type: Application
    Filed: December 6, 2011
    Publication date: October 31, 2013
    Inventors: Alois Gstoettenmayr, Hado Heckmann, Kurt Lukschander, Robert Millner, Ulrike Schmidt, Helmut Siegl, Johann Wurm