Patents by Inventor Lothar Tiedemann

Lothar Tiedemann 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: 20240033183
    Abstract: A valve unit for a system for producing a medical preparation for parenteral nutrition is described. The valve unit includes a housing having a duct extending along a longitudinal access of housing, upper inlets and lower inlets, and an outlet in fluid communication with each of the inlets via the duct. The valve unit includes valves that alternately connect a respective upper inlet of the upper inlets and a respective lower inlet of the lower inlets to the duct. Each of the valves have a first passage that fluidly connects the respective upper inlet and the duct, and a second passage that fluidly connects the respective lower inlet and the duct.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Inventors: Martin Biehl, Michael Hock, Lothar Tiedemann, Klaus Buettner
  • Patent number: 11793722
    Abstract: The invention relates to a valve unit for a system for producing a parenteral nutrition, in which a three-way valve is used for respectively two connections to a source container. The valve unit is a component which is mounted on the system and can be removed again following use. The valve unit is in particular provided as a replaceable disposable component.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 24, 2023
    Assignee: Fresenius Kabi Deutschland GmbH
    Inventors: Martin Biehl, Michael Hock, Lothar Tiedemann, Klaus Buettner
  • Publication number: 20200306139
    Abstract: The invention relates to a valve unit for a system for producing a parenteral nutrition, in which a three-way valve is used for respectively two connections to a source container. The valve unit is a component which is mounted on the system and can be removed again following use. The valve unit is in particular provided as a replaceable disposable component.
    Type: Application
    Filed: August 22, 2018
    Publication date: October 1, 2020
    Inventors: Martin Biehl, Michael Hock, Lothar Tiedemann, Klaus Buettner