Patents by Inventor Richard E. Robbins

Richard E. Robbins 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).

  • Method and apparatus for aircraft pitch and thrust axes control
    Patent number: 5031102
    Abstract: An aircraft automatic or semiautomtic vertical path control system which coordinates operation of pitch and engine thrust control systems to transfer speed control from one system to the other depending on a requirement to climb, descend, or maintain altitude as determined by the polarity and magnitude of the difference between a selectable desired altitude and current actual altitude.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: July 9, 1991
    Assignee: The Boeing Company
    Inventors: Richard E. Robbins, Robert D. Simpson
  • Method and apparatus for aircraft pitch and thrust axes control
    Patent number: 4471439
    Abstract: An aircraft automatic of semiautomatic vertical path control system which coordinates operation of pitch and engine thrust control systems to transfer speed control from one system to the other depending on a requirement to climb, descend, or maintain altitude as determined by the polarity and magnitude of the difference between a selectable desired altitude and current actual altitude.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: September 11, 1984
    Assignee: The Boeing Company
    Inventors: Richard E. Robbins, Robert D. Simpson
  • Method and apparatus for aircraft pitch and thrust axes control
    Patent number: 4357663
    Abstract: An aircraft automatic or semiautomatic vertical path control system which coordinates operation of pitch and engine thrust control systems to transfer speed control from one system to the other depending on a requirement to climb, descend, or maintain altitude as determined by the polarity and magnitude of the difference between a selectable desired altitude and current actual altitude.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: November 2, 1982
    Assignee: The Boeing Company
    Inventors: Richard E. Robbins, Robert D. Simpson