Patents by Inventor Patrick Jarvis

Patrick Jarvis 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).

  • Rotor assembly for a rotorcraft
    Patent number: 9145205
    Abstract: A rotor assembly (5) for a rotorcraft, such as a helicopter, includes rotors (7) rotatable about a hub (17). The assembly (5) is operable to vary the angular speed of the rotors (7) about the hub (17), relative to one another. The assembly (5) may include a drive operable to drive each of the rotors (7) at a different radial distance from the hub.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: September 29, 2015
    Inventors: Christopher Patrick Jarvis, Guy Jonathan James Rackham
  • ROTOR ASSEMBLY FOR A ROTORCRAFT
    Publication number: 20120189450
    Abstract: A rotor assembly (5) for a rotorcraft, such as a helicopter, includes rotors (7) rotatable about a hub (17). The assembly (5) is operable to vary the angular speed of the rotors (7) about the hub (17), relative to one another. The assembly (5) may include a drive operable to drive each of the rotors (7) at a different radial distance from the hub.
    Type: Application
    Filed: August 6, 2010
    Publication date: July 26, 2012
    Inventors: Christopher Patrick Jarvis, Guy Jonathan James Rackham
  • Crenelated turbine nozzle
    Patent number: 8226360
    Abstract: A turbine nozzle includes a row of vanes extending radially between annular outer and inner bands. The outer band includes a pair of radial flanges defining an annular seal groove therebetween. One of the flanges is crenelated to improve nozzle life.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: July 24, 2012
    Assignee: General Electric Company
    Inventors: Patrick Jarvis Scoggins, James Harvey Laflen, Ching-Pang Lee, Wilson Frost
  • CRENELATED TURBINE NOZZLE
    Publication number: 20100111682
    Abstract: A turbine nozzle includes a row of vanes extending radially between annular outer and inner bands. The outer band includes a pair of radial flanges defining an annular seal groove therebetween. One of the flanges is crenelated to improve nozzle life.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 6, 2010
    Inventors: Patrick Jarvis Scoggins, James Harvey Laflen, Ching-Pang Lee, Wilson Frost
  • Sway bar for all terrain vehicle
    Patent number: 4842298
    Abstract: All Terrain Vehicle (ATV) sway bar constructed with plastic tubular carrier solid nylon torsion bar and/or aluminum alloy torsion bar assembled end levers and a pair of independent laterally adjustable steel brackets for mounting the carrier to the ATV frame.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: June 27, 1989
    Inventor: Patrick Jarvis