Patents by Inventor Stephan Schallenberg

Stephan Schallenberg 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).

  • Process for removing polyunsaturated hydrocarbons from C4 hydrocarbon streams in the presence of mercaptans, disulfides and C5 hydrocarbons
    Patent number: 11952340
    Abstract: The present invention provides a two-stage process for removing polyunsaturated hydrocarbons from C4 hydrocarbon streams that, in addition to C4 hydrocarbons, also contain C5 hydrocarbons and mercaptans and/or disulfides.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: April 9, 2024
    Assignee: Evonik Oxeno GmbH & Co. KG
    Inventors: Stephan Peitz, Guido Stochniol, Markus Winterberg, Jörg Schallenberg, Armin Matthias Rix, Andreas Wolff
  • Support structure for oscillating continuous casting mold
    Patent number: 6167941
    Abstract: A support structure for an oscillating continuous casting mold has fixed vertical support beams and oscillating frames attached to the fixed support beams by links with rigid intermediate portions connected by leaf spring hinges to the beams and the support frames.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: January 2, 2001
    Assignee: SMS Schloemann-Siemag AG
    Inventor: Stephan Schallenberg