Patents by Inventor James Dennis Groves

James Dennis Groves 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).

  • Distributors
    Patent number: 4023597
    Abstract: A gas distributor tube formed from a non-porous ceramic material having a generally axial passageway at least part of which is in the form of a helix. A treatment chamber or reactor is provided with a number of distributor tubes located in the base of the chamber to permit the introduction of a gas through the passageway of this distributor into the treatment chamber in which a solid material in finely divided form may be maintained in fluid suspension.
    Type: Grant
    Filed: November 6, 1974
    Date of Patent: May 17, 1977
    Assignee: Tioxide Group Limited
    Inventors: James Dennis Groves, Harold Edward Haigh