Patents by Inventor Heinz-Werner Wessel

Heinz-Werner Wessel 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).

  • Drain valve for a sanitary cistern
    Patent number: 10941551
    Abstract: The invention relates to a drain valve (1) for a sanitary cistern, in particular a concealed cistern, having a valve housing (2) with a drain opening (4), the drain opening (4) being delimited by a valve seat (6), and a valve body (7), which rests in a sealing manner on the valve seat (6) in the closed state of the drain valve, the valve housing (2) having a housing chamber (11), arranged upstream of the valve seat (6) in the direction of flow, for receiving water.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: March 9, 2021
    Assignee: Viega Technology GmbH & Co. KG
    Inventors: Johannes Arndt, Gerhard Rothstein, Heinz-Werner Wessel
  • Drain Valve for a Sanitary Cistern
    Publication number: 20200332507
    Abstract: The invention relates to a drain valve (1) for a sanitary cistern, in particular a concealed cistern, having a valve housing (2) with a drain opening (4), the drain opening (4) being delimited by a valve seat (6), and a valve body (7), which rests in a sealing manner on the valve seat (6) in the closed state of the drain valve, the valve housing (2) having a housing chamber (11), arranged upstream of the valve seat (6) in the direction of flow, for receiving water.
    Type: Application
    Filed: December 4, 2018
    Publication date: October 22, 2020
    Inventors: Johannes Arndt, Gerhard Rothstein, Heinz-Werner Wessel