Patents by Inventor Markus Walbersmann

Markus Walbersmann 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).

  • Publication number: 20250196422
    Abstract: A filtering device for filtering a fluid, in particular a liquefied plastic, includes a housing having a receptacle for receiving a screen carrier and having a fluid inlet channel and a fluid outlet channel, a screen carrier movably received along a longitudinal axis inside the receptacle and having a screen carrier inlet, a screen carrier outlet and a cavity for receiving a filter element, wherein the cavity is in fluid communication with the screen carrier inlet and the screen carrier outlet, and the screen carrier can be moved from a screen replacement position via a venting position area into a filtering position. The screen carrier has a throttle recess which is arranged adjacent to the screen carrier outlet and is in fluid communication with the cavity, and which opens a variable flow cross-section between the cavity and the fluid outlet channel.
    Type: Application
    Filed: March 20, 2023
    Publication date: June 19, 2025
    Applicant: NORDSON CORPORATION
    Inventors: Stefan WOESTMANN, Markus WALBERSMANN, Robert MIDDLER
  • Patent number: 11577438
    Abstract: The invention relates to a filtering device for filtering a fluid, and in particular a liquefied plastic. The filtering device includes a control unit to control the position of a screen carrier by generating control signals such that the fluid pressure in a fluid inlet channel and/or in a fluid outlet channel remains within definable pressure ranges while a cavity is being filled.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: February 14, 2023
    Assignee: Nordson Corporation
    Inventors: Stefan Wöstmann, Markus Walbersmann, Robert Middler
  • Publication number: 20190009448
    Abstract: The invention relates to a filtering device for filtering a fluid, and in particular a liquefied plastic. The filtering device includes a control unit to control the position of a screen carrier by generating control signals such that the fluid pressure in a fluid inlet channel and/or in a fluid outlet channel remains within definable pressure ranges while a cavity is being filled.
    Type: Application
    Filed: July 4, 2018
    Publication date: January 10, 2019
    Inventors: Stefan Wöstmann, Markus Walbersmann, Robert Middler