Patents by Inventor John Daeschner

John Daeschner 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).

  • Electro-hydraulic proportional actuator
    Patent number: 4807517
    Abstract: An electro-hydraulic proportional servoactuator is disclosed which has built-in fail-safe systems which cause the power turbine nozzles to return to a zero degree angular position in the event of either an electrical system failure or a hydraulic system failure, and features a toggling effect.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: February 28, 1989
    Assignee: Allied-Signal Inc.
    Inventor: John Daeschner