Patents by Inventor Richard Charles Hammersley

Richard Charles Hammersley 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).

  • Metallic cellular structure
    Patent number: 6485025
    Abstract: An abradable turbine seal having a novel honeycomb cellular structure fabricated from metal foils or sheets showing good manufacturability, optimized brazeability and especially good structural integrity and oxidation resistance after brazing to metal support structures. MCrAlY (M=Ni, Fe, Co or combinations thereof) foil and sheet metals are particularly suitable to produce such a structure.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: November 26, 2002
    Assignee: Neomet Limited
    Inventors: Richard Charles Hammersley, Dieter Rudolf Sporer