Patents by Inventor Nils-Eirk Soderberg

Nils-Eirk Soderberg 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).

  • Control valve for parallel flows
    Patent number: 4164962
    Abstract: A control valve for connecting a plurality of fluid demand locations with a common source while assuring a constant distribution regardless of differences in absolute magnitudes and counter pressures. The control valve comprises a main regulating valve for the total flow, coupled to a second valve comprising parallel valves corresponding to the respective demand locations.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: August 21, 1979
    Assignee: Stal-Laval Turbin AB
    Inventor: Nils-Eirk Soderberg