Patents by Inventor Gunther Reitzel

Gunther Reitzel 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).

  • Liquid filter
    Patent number: 5695638
    Abstract: A liquid filter for purifying mineral oil, the components of which are composed of a thermoplastic polymer, preferably polyacetal, is produced by welding the individual parts. Since no foreign materials are present, the filter can be subjected to a recycling process easily and without problem.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: December 9, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Gubitz, Gunther Reitzel