Patents Represented by Attorney Alix, Yale & Ritas, LLP

Find this attorney in the Justia Lawyer Directory

  • Conical refiner plates with logarithmic spiral type bars
    Patent number: 7398938
    Abstract: A special shape of bars on refining cones or plate segments of a rotating conical refiner is disclosed including a plurality of bars generally extending outwards towards the outer end of the cone across its working surface, arranged in a single, two or more radial zones, the plurality of the bars within a zone being curved with the shape of a logarithmic type spiral. Conical refiners including such refining cones are also disclosed.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: July 15, 2008
    Assignee: Andritz Inc.
    Inventor: Peter Antensteiner