Patents by Inventor Mark Trutanich

Mark Trutanich 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).

  • Helicopter servoflap actuator having mechanical stop and oil pump
    Patent number: 5387083
    Abstract: In a servoflap system for helicopters, angular positions of the helicopter's servoflaps are controlled by actuators located near the tips of the helicopter blades. Each actuator contains a pump for circulating a lubricant onto the actuator's gears when blade pitch is being changed. The pump is built into the actuator's mechanical stops.
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: February 7, 1995
    Assignee: AlliedSignal Inc.
    Inventors: Lowell V. L. Larson, Mark Trutanich