Patents by Inventor Michael Hatrick

Michael Hatrick 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).

  • Nacelle with hinged cowl doors enabling access to the engine
    Patent number: 9650917
    Abstract: A nacelle for an engine has outer and inner cowl doors that are independently rotatable about offset hinge lines. A connection device is provided for selectively connecting the outer and inner cowl doors so as to cause them to open simultaneously. The inner cowl door is arranged to rotate by a greater angle than the outer cowl door so as to improve access to the engine for maintenance purposes.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: May 16, 2017
    Assignee: SHORT BROTHERS PLC
    Inventors: Timothy Stewart, Alan Tweedie, Michael Hatrick
  • NACELLE WITH HINGED COWL DOORS ENABLING ACCESS TO THE ENGINE
    Publication number: 20130259641
    Abstract: A nacelle for an engine has outer and inner cowl doors that are independently rotatable about offset hinge lines. A connection device is provided for selectively connecting the outer and inner cowl doors so as to cause them to open simultaneously. The inner cowl door is arranged to rotate by a greater angle than the outer cowl door so as to improve access to the engine for maintenance purposes.
    Type: Application
    Filed: September 24, 2010
    Publication date: October 3, 2013
    Applicant: SHORT BROTHERS PLC
    Inventors: Timothy Stewart, Alan Tweedie, Michael Hatrick