Patents by Inventor David Adrion

David Adrion 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).

  • Bistable membrane valve
    Publication number: 20060096637
    Abstract: A single valve that includes an openwork semi-rigid membrane having two stable positions and a seat. The single valve is actuated by a pressure differential between the inside and the outside of the semi-rigid membrane. In a first position, the single valve prevents fluid circulation and, in a second position, the single valve allows fluid circulation. The single valve is applicable to an inflating and deflating valve for pneumatics of vehicles tires.
    Type: Application
    Filed: June 18, 2003
    Publication date: May 11, 2006
    Applicant: Syegon
    Inventors: Michel Maquaire, David Adrion
  • Tyre self-sealing device for the wheel of a vehicle
    Publication number: 20050205182
    Abstract: A self-sealing device for a tire on a vehicle wheel, including a wheel, a wheel hub supporting the wheel, a wheel supply circuit, an inflating and deflating valve for supplying compressed air from a pressurized circuit, wherein the valve is positioned between the wheel and the wheel hub and includes sealing means integrated into the wheel supply circuit, wherein the sealing means is activatable to an open position in the presence of the valve and to a closed position in the absence of the valve.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 22, 2005
    Applicant: Syegon
    Inventors: Michel Maquaire, David Adrion
  • Sealing ring for a fluid circuit
    Publication number: 20050012277
    Abstract: A sealing system for a shaft revolving in a pressurized fluid circuit. The system comprises a sealing ring placed between the revolving shaft and a fixed casing comprising a deformable element that is applied tightly against said shaft. The deformable element is made of a heat-sensitive shape memory material and being sensitive to a build up in temperature.
    Type: Application
    Filed: October 17, 2002
    Publication date: January 20, 2005
    Inventors: David Adrion, Michel Maquaire