Patents by Inventor Donald R. Tolbert

Donald R. Tolbert 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).

  • Conduction-cooled accelerated test fixture
    Patent number: 7982476
    Abstract: According to one embodiment of the invention, a testing apparatus for executing highly accelerated life testing on at least one test subject includes at least one structure operable to thermally stress the test subject via conduction and at least one pneumatic hammer operable to input imparting vibrations to the test subject. According to another embodiment of the invention, a method for executing highly accelerated life testing of at least one test subject includes applying a thermal stress to the test subject via conduction at a rate of change of at least 8° C. per minute and imparting vibrations to the test subject at a rate of at least 3 Gs rms.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: July 19, 2011
    Assignee: Raytheon Company
    Inventors: Micah S. Koons, Donald R. Tolbert, Mark A. Taylor, Scott J. Martin
  • Conduction-Cooled Accelerated Test Fixture
    Publication number: 20090135879
    Abstract: According to one embodiment of the invention, a testing apparatus for executing highly accelerated life testing on at least one test subject includes at least one structure operable to thermally stress the test subject via conduction and at least one pneumatic hammer operable to input imparting vibrations to the test subject. According to another embodiment of the invention, a method for executing highly accelerated life testing of at least one test subject includes applying a thermal stress to the test subject via conduction at a rate of change of at least 8° C. per minute and imparting vibrations to the test subject at a rate of at least 3 Gs rms.
    Type: Application
    Filed: January 29, 2009
    Publication date: May 28, 2009
    Applicant: Raytheon Company
    Inventors: Micah S. Koons, Donald R. Tolbert, Mark A. Taylor, Scott J. Martin
  • Conduction-cooled accelerated test fixture
    Patent number: 7498831
    Abstract: According to one embodiment of the invention, a testing apparatus for executing highly accelerated life testing on at least one test subject including at least one structure operable to thermally stress the test subject via conduction and at least one pneumatic hammer operable to input imparting vibrations to the test subject. According to another embodiment of the invention, a method for executing highly accelerated life testing of at least one test subject via conduction at a rate of change of at least 8 ° C. per minute and imparting vibrations to the test subject at a rate of at least 3Gs rms.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: March 3, 2009
    Assignee: Raytheon Company
    Inventors: Micah S. Koons, Donald R. Tolbert, Mark A. Taylor, Scott J. Martin