Patents by Inventor Howard E. Boen

Howard E. Boen 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).

  • 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