Patents by Inventor James Donald Lempke

James Donald Lempke 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).

  • Efficient orbit sparing system for space vehicle constellations
    Patent number: 7051980
    Abstract: A sparing system for space vehicle constellations. A plurality of space vehicles arranged in at least one mission orbit plane. The number of space vehicles is at least one greater than a minimum number necessary to provide at least a minimum level of service necessary to carry out a constellation mission. If one of the space vehicles fails the remaining space vehicles are repositioned in the mission orbit plane to provide the minimum level of service necessary to carry out a constellation mission.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: May 30, 2006
    Assignee: Lockheed Martin Corporation
    Inventors: Neil Evan Goodzeit, James Donald Lempke
  • Efficient orbit sparing system for space vehicle constellations
    Publication number: 20040056146
    Abstract: A sparing system for space vehicle constellations. A plurality of space vehicles arranged in at least one mission orbit plane. The number of space vehicles is at least one greater than a minimum number necessary to provide at least a minimum level of service necessary to carry out a constellation mission. If one of the space vehicles fails the remaining space vehicles are repositioned in the mission orbit plane to provide the minimum level of service necessary to carry out a constellation mission.
    Type: Application
    Filed: February 25, 2003
    Publication date: March 25, 2004
    Applicant: Lockheed Martin Corporation
    Inventors: Neil Evan Goodzeit, James Donald Lempke