Patents by Inventor Günter Sassmannshausen

Günter Sassmannshausen 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).

  • Method of producing separator materials
    Patent number: 6488982
    Abstract: A method for reducing ion concentrations in separator materials used in electrochemical processes, including in lead storage batteries. The separator material is treated with at least one acid from the group of sulphuric acid, phosphoric acid and sulfonic acids and/or at least one salt from the group of sulfates, phosphates and diphosphates of the alkali metals of alkaline earth metals.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: December 3, 2002
    Assignee: Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co. KG
    Inventors: Werner Nitsche, Norbert Lahme, Günter Sassmannshausen
  • Method of treating elastic materials that are provided with silica embedments
    Patent number: 6254818
    Abstract: The invention relates to a method of treating elastic material that is provided with silica embedments to avoid shrinkage, whereby the finished material that is provided with the silica embedments is subjected for a prescribed period of time to temperatures above 40° C. prior to further processing.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: July 3, 2001
    Assignee: Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co. KG
    Inventors: Werner Nitsche, Norbert Lahme, Günter Sassmannshausen