Patents Assigned to Hudol Limited
  • Gasification apparatus and method
    Patent number: 7293511
    Abstract: An apparatus and method for the treatment of particulate organic waste material, the apparatus comprising: a hopper means having flow control means for controlling flow rate of the waste material; a pyrolysis unit having (i) a heating means for heating the material, and (ii) a means in the form of a cascade of vanes for controlling rate of flow therethrough; means for removing gaseous products generated in the pyrolysis unit, the gaseous products being recycled; and residual treated waste material collection means.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: November 13, 2007
    Assignee: Hudol Limited
    Inventors: Robert Marshall Prigmore, Brian Davies, Colin Cook