Patents by Inventor Lisa ZIMMERMANN

Lisa ZIMMERMANN 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).

  • Hydrogen Storage Assembly
    Publication number: 20240072279
    Abstract: A hydrogen storage assembly, in particular for a fuel cell system in a vehicle, includes at least one hydrogen tank for storage of liquid hydrogen and at least one hydrogen sorption/catalyst unit for sorption and catalytic conversion of gaseous hydrogen released from the at least one hydrogen tank. Also, a fuel cell system includes the hydrogen storage assembly.
    Type: Application
    Filed: August 24, 2023
    Publication date: February 29, 2024
    Inventors: Jochen Hammer, Lisa Zimmermann, Heike Többen, Philipp Weinmann
  • Exhaust gas treatment system for an exhaust system of an internal combustion engine and process for operating such an exhaust gas treatment system
    Patent number: 11434801
    Abstract: An exhaust gas treatment system is provided for an exhaust system of an internal combustion engine. The exhaust gas treatment system includes a plurality of SCR catalytic converter units (32, 34, 36) connected in parallel to one another. At least one SCR catalytic converter unit (32, 34, 36) of the SCR catalytic converter units (32, 34, 36) is connected in parallel to one another can optionally be released and blocked for the flow of exhaust gas.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: September 6, 2022
    Assignee: Purem GmbH
    Inventors: Wolfgang Datz, Lisa Zimmermann
  • EXHAUST GAS TREATMENT SYSTEM FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE AND PROCESS FOR OPERATING SUCH AN EXHAUST GAS TREATMENT SYSTEM
    Publication number: 20210285351
    Abstract: An exhaust gas treatment system is provided for an exhaust system of an internal combustion engine. The exhaust gas treatment system includes a plurality of SCR catalytic converter units (32, 34, 36) connected in parallel to one another. At least one SCR catalytic converter unit (32, 34, 36) of the SCR catalytic converter units (32, 34, 36) is connected in parallel to one another can optionally be released and blocked for the flow of exhaust gas.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 16, 2021
    Inventors: Wolfgang DATZ, Lisa ZIMMERMANN