Patents by Inventor John B. Lippold

John B. Lippold 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).

  • Aircraft cabin pressurization system
    Patent number: 4553474
    Abstract: This invention controls the air pressure in an aircraft cabin in response to a selected landing field altitude and to a selected maximum permissible cabin pressure rate.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: November 19, 1985
    Assignee: The Garrett Corporation
    Inventors: Paul P. Wong, John B. Lippold, Glenn A. Burgess