Patents by Inventor Bo Gustaf Stjernstrom

Bo Gustaf Stjernstrom 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: 3936225
    Abstract: A pump is provided with a stationary impeller housing having a motor driven diagonal impeller mounted therein. A diffuser is mounted coaxially with the impeller for converting the kinetic energy of the pumped fluid into a pressure head. A hollow body mounted in the diffuser defines a diffuser passage in which curved diffuser blades are mounted. The impeller has a conical hub having a diameter equal to 40-80 percent of the maximum diameter of the impeller blades.
    Type: Grant
    Filed: May 1, 1974
    Date of Patent: February 3, 1976
    Assignee: ITT Industries, Inc.
    Inventor: Bo Gustaf Stjernstrom