Patents by Inventor Mark Anthony Guy

Mark Anthony Guy 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).

  • Linear actuator
    Patent number: 7174828
    Abstract: A linear hydraulic actuator comprises a hollow main piston axially moveable in an elongate cylinder under the influence of hydraulic pressure, the main piston defining a bore within which a seal member is provided, the seal member forming a sliding seal with the bore of the main piston.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: February 13, 2007
    Assignee: Goodrich Actuation Systems Limited
    Inventors: Stephen Harlow Davies, Mark Anthony Guy, Michael Paul Somerfield, David Roy Tucker
  • Piston and cylinder assembly and flow restrictor device therefor
    Patent number: 6397725
    Abstract: A piston and cylinder assembly is described having a piston which partially defines a fluid chamber in the cylinder from which fluid is expelled through an outlet port of the cylinder by movement of the piston along the cylinder, the assembly including a flow restrictor providing a first restricted flow path between the chamber and port, and also providing an auxiliary restricted flow path of which a first portion communicates with the chamber and of which a second portion extends between the first portion and the port.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: June 4, 2002
    Assignee: Lucas Industries Limited
    Inventor: Mark Anthony Guy