Patents by Inventor David W. Keenan

David W. Keenan 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).

  • Electron beam irradiation of bulk material solids
    Patent number: 8220226
    Abstract: Bulk material solids are packaged in a shaped block and the packaged block is irradiated on two sides using high-energy electron beam radiation to uniformly irradiate the solids in the package.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: July 17, 2012
    Assignee: E-Beam Services, Inc.
    Inventors: Paul R. Minbiole, Daniel F. Yasenchak, David W. Keenan
  • Electron Beam Irradiation of Bulk Material Solids
    Publication number: 20110031657
    Abstract: Bulk material solids are packaged in a shaped block and the packaged block is irradiated on two sides using high-energy electron beam radiation to uniformly irradiate the solids in the package.
    Type: Application
    Filed: August 4, 2009
    Publication date: February 10, 2011
    Applicant: E-BEAM SERVICES, INC.
    Inventors: Paul R. Minbiole, Daniel F. Yasenchak, David W. Keenan