Patents by Inventor Sarah Zirkel

Sarah Zirkel 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: 8455411
    Abstract: The invention relates to a lubricant composition based on modified, natural and renewable raw materials, the viscosity of which can be adjusted according to the application. The invention relates more particularly to biodegradable lubricant compositions.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: June 4, 2013
    Assignee: Klüber Lubrication München KG
    Inventors: Thomas Kilthau, Martin Schmidt-Amelunxen, Sarah Zirkel
  • Publication number: 20110124537
    Abstract: The invention relates to a lubricant composition based on modified, natural and renewable raw materials, the viscosity of which can be adjusted according to the application. The invention relates more particularly to biodegradable lubricant compositions.
    Type: Application
    Filed: June 9, 2009
    Publication date: May 26, 2011
    Inventors: Thomas Kilthau, Martin Schmidt-Amelunxen, Sarah Zirkel