Patents by Inventor David Desailly

David Desailly 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).

  • Needleless injection device comprising means for regulating the gas pressure level in the combustion chamber
    Patent number: 7455655
    Abstract: The invention relates to a needleless injection device (1) comprising a body (2) which supports and/or defines a plurality of elements that form a circuit of elements. The aforementioned circuit comprises, from upstream towards downstream, an initiation device which is associated with a pyrotechnic gas generator, a receptacle (5) housing a liquid active agent that is to be injected, and an active agent injection system. According to the invention, the pyrotechnic gas generator comprises a pyrotechnic charge (62) which is placed in a combustion chamber (4). The inventive device is characterised in that it comprises at least one device for regulating the gas pressure level in the combustion chamber (4).
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: November 25, 2008
    Assignee: Crossject
    Inventors: Patrick Alexandre, Bernard Brouquieres, David Desailly
  • Needleless injection device comprising means for regulating the gas pressure level in the combustion chamber
    Publication number: 20060089595
    Abstract: The invention relates to a needleless injection device (1) comprising a body (2) which supports and/or defines a plurality of elements that form a circuit of elements. The aforementioned circuit comprises, from upstream towards downstream, an initiation device which is associated with a pyrotechnic gas generator, a receptacle (5) housing a liquid system. According to the invention, the pyrotechnic gas generator comprises a pyrotechnic charge (62) which is placed in a combustion chamber (4). The inventive device is characterised in that it comprises at least one device for regulating the gas pressure level in the combustion chamber (4).
    Type: Application
    Filed: March 18, 2004
    Publication date: April 27, 2006
    Applicant: CROSSJECT
    Inventors: Patrick Alexandre, Bernard Brouquieres, David Desailly