Patents by Inventor Klaus Elischewski

Klaus Elischewski 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: 20250019251
    Abstract: In a process for operating an ammonia plant, a gas mixture comprising nitrogen, hydrogen and ammonia is conveyed cyclically in a synthesis circuit with a conveying device which comprises at least a first compressor, nitrogen and hydrogen are converted at least partly into ammonia in a converter, the gas mixture is cooled in a cooling device in such a way that ammonia condenses out of the gas mixture, and hydrogen is provided at least partly by electrolysis. In this process, the utilization of fluctuating renewable energies can be integrated into existing plant designs, for the provision of hydrogen; for this reason, a master controller is provided and the master controller keeps at least the pressure in the synthesis circuit approximately constant via at least one control loop, on the basis of the anticipated amount of hydrogen. For this, the apparatus comprises a first bypass line for circumventing the first compressor, and a second bypass line for circumventing the cooling device.
    Type: Application
    Filed: December 2, 2022
    Publication date: January 16, 2025
    Applicants: thyssenkrupp Uhde GmbH, thyssenkrupp AG
    Inventors: Bernd MIELKE, Klaus NOELKER, Dirk MEURER, Tobias BIRWE, Bernd KEIL, Johannes ELISCHEWSKI, Markus TIEGS
  • Patent number: 5789887
    Abstract: A memory system for an automatic door, the memory system being capable of recording for a specified length of time all relevant operational parameters according to the first-in/first-out principle.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: August 4, 1998
    Assignee: Dorma GmbH + Co. KG
    Inventor: Klaus Elischewski