Patents by Inventor Douglas A. Hobbs

Douglas A. Hobbs 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: 7820238
    Abstract: A method of manufacturing homogenous metal matrix composite (MMC) powders and using the powders as the feedstock with cold spray deposition is described to produce composite coatings and freestanding bulk forms. Measured quantities of metal and ceramic powders having predetermined particle sizes are blended to produce homogeneous MMC powders. Spray parameters and procedures are controlled to produce dense, strong and well-bonded MMC coatings on any substrate.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: October 26, 2010
    Assignee: United Technologies Corporation
    Inventors: Andrew DeBiccari, Jeffrey D. Haynes, Douglas A. Hobbs, Jeganathan Karthikeyan
  • Publication number: 20080152801
    Abstract: A method of manufacturing homogenous metal matrix composite (MMC) powders and using the powders as the feedstock with cold spray deposition is described to produce composite coatings and freestanding bulk forms. Measure quantities of metal and ceramic powders having predetermined particle sizes are blended to produce homogeneous MMC powders. Spray parameters and procedures are controlled to produce dense, strong and well-bonded MMC coatings on any substrate.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Inventors: Andrew DeBiccari, Jeffrey D. Haynes, Douglas A. Hobbs, Jeganathan Karthikeyan