Patents by Inventor Lucas Damoah

Lucas Damoah 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).

  • Bn or YOcoated ceramic filters used in filtration of aluminum—lithium alloys and reactive alloys
    Patent number: 9504944
    Abstract: A filter which is particularly suitable for filtration of molten metal, and method of making the filter, is described. The filter comprises a ceramic core comprising a primary component selected from the group consisting of alumina and magnesium oxide. A coating is on the ceramic core wherein the coating is selected from the group consisting of BN and Y2O3.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: November 29, 2016
    Assignee: Porvair Plc
    Inventors: Leonard S. Aubrey, Feng Chi, Lucas Damoah
  • BN or Y2O3 Coated Ceramic Filters Used in Filtration of Aluminum-Lithium Alloys and Reactive Alloys
    Publication number: 20140360316
    Abstract: A filter which is particularly suitable for filtration of molten metal, and method of making the filter, is described. The filter comprises a ceramic core comprising a primary component selected from the group consisting of alumina and magnesium oxide. A coating is on the ceramic core wherein the coating is selected from the group consisting of BN and Y2O3.
    Type: Application
    Filed: June 5, 2014
    Publication date: December 11, 2014
    Inventors: Leonard S. Aubrey, Feng Chi, Lucas Damoah