Patents by Inventor David C. Shangraw

David C. Shangraw 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).

  • Analysis of rechargeable batteries
    Patent number: 9658146
    Abstract: A rechargeable battery is externally heated to induce thermal runaway, and material expelled from the battery is analyzed.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: May 23, 2017
    Assignee: The Boeing Company
    Inventors: Nels A. Olson, David C. Shangraw, Douglas D. Maben, Frederick B. McGalliard, James D. Kinder, John D. Jaquish, Jean-Philippe Belieres, Nikolay I. Shtanukhin, Noel L. Spurlock, Richard P. Lorenz, Steven L. Baughcum
  • Aircraft including mitigation system for rechargeable batteries
    Patent number: 9614209
    Abstract: An aircraft comprises a rechargeable battery including an array of battery cells, and means for mitigating consequences of failure of the rechargeable battery due to aircraft operating cycles.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: April 4, 2017
    Assignee: The Boeing Company
    Inventors: Kelly T. Jones, Alfred R. Carlo, Alan D. Amort, Daniel F. Lewinski, Daniel J. Murray, Douglas D. Maben, Harry H. Ayubi, Craig G. Robotham, Julie K. Plessner, Kevin S. Callahan, Michael L. Trent, Michael R. Madden, Mohammad M. Malik, Richard K. Johnson, Royal E. Boggs, Mehdy Barekatein, Frederic P. Lacaux, Bruce L. Drolen, James C. Russell, John R. Lowell, Thomas P. Barrera, Timothy R. North, Richard P. Lorenz, Matthew J. O'Brien, Nels A. Olson, David C. Shangraw, Mark E. Smith, Jean-Philippe Belieres, George A. McEachen