Patents by Inventor Jarmo J. Pullo

Jarmo J. Pullo 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).

  • Immersible aerator and/or mixer apparatus
    Patent number: 4540290
    Abstract: The invention relates to an immersible aerator and/or mixer apparatus to be lowered onto the bottom of a basin or tank containing liquid, often also solid substances, and particularly the invention relates to the supporting structures of the said apparatus as well as to the devices for protecting the motor and power transmission chambers of the said aerator and/or mixer apparatus from the liquid contained in the said vessel.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: September 10, 1985
    Assignee: Outokumpu Oy
    Inventors: Erkki J. Jarvinen, Pekka M. Taskinen, Jarmo J. Pullo, Seppo T. Kinnunen, Arvo E. Andersson