Patents by Inventor Andre R. de Muinck

Andre R. de Muinck 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).

  • Perlite expansion process and apparatus therefor
    Patent number: 4290749
    Abstract: A process and apparatus therefor are described for the expansion of perlite utilizing vaporized heavy liquid fuel as at least half, and preferably all, of the combustion fuel. In this process preheated air is used to vaporize the liquid fuel, which has previously been atomized.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: September 22, 1981
    Assignee: Johns-Manville Corporation
    Inventor: Andre R. de Muinck
  • Fiber waste and cullet collection process and apparatus therefor
    Patent number: 4244720
    Abstract: A process and apparatus therefor are described for reclaiming waste material from a fiberizing system and for converting a molten stream of material into reclaimable cullet when the system is not fiberizing. When the system is fiberizing the waste is collected in a dry environment and continually conveyed away; when the system is not fiberizing the molten stream is reduced to cullet and collected in a wet environment and continually conveyed away; and when fiberizing is resumed there is a return to the collection of waste in a dry environment.
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: January 13, 1981
    Assignee: Johns-Manville Corporation
    Inventors: Howard E. Boen, Andre R. de Muinck, John H. Miller, Samuel R. Genson