Patents by Inventor Bjorn Unden

Bjorn Unden 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).

  • Mounting device for submersible electric motor driven pump
    Patent number: 5823751
    Abstract: The invention concerns a device for mounting and keeping together parts in a submersible pump unit.Two groups of screw joints (15) and (16) respectively are alternatively arranged around the periphery of the pump unit, the first group of said joints (15) connectings the stator housing (8) and the seal housing (4) via a ring (13), while the other group of joints (16) connect said ring (13), said pump housing (5) and a cooling jacket (10) surrounding said stator housing (8).
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: October 20, 1998
    Assignee: ITT Flygt AB
    Inventors: Torbjorn Sjoblom, Bjorn Unden
  • Submersible pump
    Patent number: D395317
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: June 16, 1998
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: Ake Karlsson, Torbjorn Sjoblom, Bjorn Unden