Patents by Inventor Erik Maksimainen

Erik Maksimainen 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).

  • METHOD AND DEVICE FOR SLUDGE HANDLING
    Publication number: 20130200011
    Abstract: A method for handling sludge arranged on the bottom (2) of a water filled basin (1), wherein the water defining a surface, is described. The method comprises the steps of freezing the sludge in a portion of the bottom (2) of the basin (1), arranging a closable container (3) in the basin (1) below the surface of the water, which container (3) comprises a collecting filter, moving the frozen sludge into the container (3) to a position above the collecting filter, closing the container (3), and thawing the frozen sludge in the container (3). An apparatus for performing the method is also described.
    Type: Application
    Filed: April 28, 2011
    Publication date: August 8, 2013
    Applicant: FRIGEO AB
    Inventors: Mats-Johan Rostmark, Erik Maksimainen, Susanne Rostmark