Patents by Inventor Willi Nieratscher

Willi Nieratscher 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).

  • Patent number: 4932214
    Abstract: To improve a processing system for liquid hydrogen comprising a storage t and a supply unit arranged outside of and connected with the storage tank via a suction line, the supply unit comprising a feed pump which communicates on its pressure side with a motor feed line, such that the feed pump is constantly kept at operating temperature, it is suggested that the supply unit comprise a cool-stage casing completely surrounding the feed pump, the casing having hydrogen flowing through it which exits from the feed pump on the pressure side.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: June 12, 1990
    Assignee: Deutsche Forsehungs- und Versuchsanslalt fuer Luft- und Raumfahrt e.v.
    Inventors: Willi Nieratscher, Walter Peschka