Patents by Inventor Helmut Schielke

Helmut Schielke 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).

  • Shell-and-tube heat exchanger comprising a wear-resistant tube plate lining
    Patent number: 8210245
    Abstract: The invention relates to shell-and-tube heat exchangers, including those used to cool cracking gas in petroleum refining, containing wear resistant tube plate linings. In the heat exchangers, at least a portion of the inlet tube plate is covered by wear-resistant inserts which can be at least partially inserted into the heat exchanger tubes.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: July 3, 2012
    Assignee: Ruhr Oel GmbH
    Inventors: Christoph Gillessen, Helmut Schielke, Marco Heisterkamp, Werner Oelmann, Oliver Schwarz
  • Shell-And-Tube Heat Exchanger Comprising a Wear-Resistant Tube Plate Lining
    Publication number: 20080202732
    Abstract: The invention relates to shell-and-tube heat exchangers, including those used to cool cracking gas in petroleum refining, containing wear resistant tube plate linings. In the heat exchangers, at least a portion of the inlet tube plate is covered by wear-resistant inserts which can be at least partially inserted into the heat exchanger tubes.
    Type: Application
    Filed: July 3, 2006
    Publication date: August 28, 2008
    Applicant: Ruhr Oel GMBH
    Inventors: Christoph Gillessen, Helmut Schielke, Marco Helsterkamp, Werner Oelmann, Oliver Schwarz