Patents by Inventor Elmar Mentzel

Elmar Mentzel 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).

  • Ball valve for a pipe system for conveying liquid or gaseous media
    Patent number: 11079034
    Abstract: The invention relates to a ball valve (1) for a pipe system for conveying liquid or gaseous media, comprising a housing (3), which has a ball plug (4) and seat rings (5, 6). A hydraulic system (7), which is independent of the pressure of the liquid or gaseous medium flowing through the pipe system, is provided for changing the contact pressure of at least one of the seat rings (5, 6) against the ball plug (4).
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: August 3, 2021
    Assignee: Franz Schuck GmbH
    Inventor: Elmar Mentzel
  • Ball Valve for a Pipe System for Conveying Liquid or Gaseous Media
    Publication number: 20200056716
    Abstract: The invention relates to a ball valve (1) for a pipe system for conveying liquid or gaseous media, comprising a housing (3), which has a ball plug (4) and seat rings (5, 6). A hydraulic system (7), which is independent of the pressure of the liquid or gaseous medium flowing through the pipe system, is provided for changing the contact pressure of at least one of the seat rings (5, 6) against the ball plug (4).
    Type: Application
    Filed: November 3, 2017
    Publication date: February 20, 2020
    Inventor: Elmar Mentzel