Patents by Inventor Didier Riquier

Didier Riquier 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).

  • Filling for a puncture-proof pneumatic tire
    Patent number: 5685925
    Abstract: A filling for a puncture-proof pneumatic tire is formed by two half-toruses of elastomer or of rubber which are juxtaposed along an equatorial plane inside a tire cover and which are formed with a plurality of parallel channels of preferably hexagonal cross-section, the channels being parallel and separated from one another and positioned so that the thickness of material between adjacent channels is substantially constant.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: November 11, 1997
    Assignee: Hutchinson
    Inventors: Didier Riquier, Alain Lelievre, Brahim Ammour
  • Device for running on a flat tire for a motor vehicle
    Patent number: 5626696
    Abstract: A device for running on a flat tire, the device being formed by a split ring or by two half-rings that are connected together end to end and clamped onto the rim of a wheel, the half-rings being made of a polyamide that is reinforced with long glass fibers and it has a T-shaped section with an outer peripheral surface that forms a tread when running on a flat tire.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: May 6, 1997
    Assignee: Hutchinson
    Inventors: Bernard Boni, Didier Riquier, Pascal Seradarian
  • Device for controlling discharge from a pneumatic enclosure under pressure, in particular for rapid and controlled deflation of a tire
    Patent number: 5295504
    Abstract: A device for controlling discharge from a pneumatic enclosure under pressure, in particular for controlling rapid deflation of a tire to a predetermined pressure value after the device has been assembled to a valve fitted to the enclosure, the device comprising a pushbutton for actuating a striker adapted to cooperate with the deflation pin of the valve and slidably mounted in a case which provides a chamber coaxially around the striker for the deflation pin, at least one vent hole being provided for exhausting the gaseous fluid contained in the enclosure to be deflated, and the striker being slidably mounted in a piston-washer received in said chamber and adapted to cooperate with the striker by a wedging action to hold the striker in a position that allows escape of the gaseous fluid contained in the enclosure.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: March 22, 1994
    Assignee: Hutchinson
    Inventors: Didier Riquier, Alain Lelievre
  • Puncture-proof tire having a core of elastomeric material
    Patent number: 5265658
    Abstract: A pressure chamber or core for an unpuncturable pneumatic tire is constituted by a toroidal cushion of elastomer material including mutually independent gastight cells containing a gas under pressure. The cells are substantially all of the same right cross-section, and the area of the right cross-section of any one cell is a small fraction of the area of the right cross-section of the chamber.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: November 30, 1993
    Assignee: Hutchinson
    Inventors: Didier Riquier, Alain Lelievre