Patents by Inventor Roland I. G. Narholm

Roland I. G. Narholm 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).

  • Mixer installation device
    Patent number: 5647666
    Abstract: The invention concerns a device for installation of a mixer in a water tank. The mixer is arranged on the inside of a cover (4) in the tank wall (2) which means that only the electric connection means to the motor have to be sealingly drawn through the wall.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: July 15, 1997
    Assignee: ITT Flygt AB
    Inventors: Roland I. G. Narholm, Per G. L. Stjerna