Patents by Inventor Sophia SERGI

Sophia SERGI 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).

  • Pump Shaft for a Multi-Stage Pump
    Publication number: 20220316490
    Abstract: A pump shaft for a multi-stage pump, in particular a centrifugal pump, includes a peripheral groove region for the engagement of a relief device in order to introduce a force acting in the axial direction of the pump shaft. The groove region includes a plurality of grooves which are spaced apart in the axial direction.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 6, 2022
    Inventors: Gerhard GROSS, Kai MOLITOR, Sophia SERGI