Patents by Inventor Denis A. Randall

Denis A. Randall 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).

  • Process and system for recovering energy from carbon-containing materials
    Patent number: 6863004
    Abstract: The invention provides processes and systems for generating heat from a carbon-containing material or converting a carbon-containing material to a combustible gaseous fuel, comprising (a) pyrolysing the material in a reactor to produce a carbon-enriched solid and a first gaseous product, (b) burning at least part of the first gaseous product and/or a second gaseous product obtained by reacting the carbon-enriched solid with water vapour to generate heat, and (c) returning combustion products from the burning step to the reactor and/or removing part of the first gaseous product and/or the second gaseous product as a combustible fuel.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: March 8, 2005
    Assignee: World Oasis Australia Pty Ltd.
    Inventor: Denis A. Randall