Patents by Inventor Marcel MAINKA

Marcel MAINKA 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).

  • Plug-in connector and arrangement comprising a plug-in connector and a stacking plate of an electrolyzer
    Publication number: 20250062551
    Abstract: A plug-in connector for contact with a stacking plate of an electrolyzer includes a sheet-metal part having a tulip contact for contacting the stacking plate and a cladding made of a material which is dimensionally stable at 1000° C. A single cladding is allocated to each sheet-metal part, respectively, for contacting a single stacking plate.
    Type: Application
    Filed: July 15, 2024
    Publication date: February 20, 2025
    Inventors: Jan MEIER, Marcel MAINKA, Karlo STJEPANOVIC, Thomas WIELSCH, Torsten JUNG, Jasper SCHREIBER, Matthias KASPAR, Michael HERRMANN
  • Arrangement made up of at least a clamping spring and a retaining spring and a spring-force clamp for conductors
    Publication number: 20240030627
    Abstract: An assembly for contacting an electrical conductor includes a clamping spring which acts as a pressure spring for fixing an electrical conductor in a spring-force clamp and a retaining spring for locking the clamping spring in an open position such that the conductor can be introduced into a contact region in a shifting direction. The clamping spring touches the retaining spring along a contact surface in a locked state and during movement from the locking state into a unlocking state.
    Type: Application
    Filed: June 15, 2023
    Publication date: January 25, 2024
    Inventors: Stephan FEHLING, Michael LENSCHEN, Marcel MAINKA, Volker SCHRÖDER, Karlo STJEPANOVIC