Patents by Inventor Bertrand Haguenauer

Bertrand Haguenauer 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).

  • Patent number: 9808661
    Abstract: Extinguishing a fire by pressurizing a tank containing an extinguishing liquid. According to the invention, the tank containing the liquid is provided with an expulsion outlet at a front end, a gas generator (17) is installed at a rear end, and a diaphragm forming an inflatable bag (19) is installed inside the tank, being folded prior to triggering in a confinement space at the front of the gas generator, the outlet from the generator being associated with a deflector (47) including a rearwardly-directed ejection passage (49).
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: November 7, 2017
    Assignee: PYROALLIANCE
    Inventors: Eric Gibaud, Pierre Humbert, Bertrand Haguenauer, Alexis Huet
  • Publication number: 20140069667
    Abstract: Extinguishing a fire by pressurizing a tank containing an extinguishing liquid. According to the invention, the tank containing the liquid is provided with an expulsion outlet at a front end, a gas generator (17) is installed at a rear end, and a diaphragm forming an inflatable bag (19) is installed inside the tank, being folded prior to triggering in a confinement space at the front of the gas generator, the outlet from the generator being associated with a deflector (47) including a rearwardly-directed ejection passage (49).
    Type: Application
    Filed: March 6, 2012
    Publication date: March 13, 2014
    Applicant: PYROALLIANCE
    Inventors: Eric Gibaud, Pierre Humbert, Bertrand Haguenauer, Alexis Huet
  • Publication number: 20130101369
    Abstract: A device for rapidly separating two subassemblies under the action of a pyrotechnic gas generator. The device comprises a segmented nut (17) held by a release sleeve (40) that is movable under the action of the gas generator (15), a drive chamber (64) including an end wall of the release sleeve, a damping chamber (66) communicating with a gas expansion chamber (60), and calibrated passages (70) extending between the damping chamber and the drive chamber.
    Type: Application
    Filed: May 5, 2011
    Publication date: April 25, 2013
    Applicant: PYROALLIANCE
    Inventors: Charlotte Lenoir, Bertrand Haguenauer, Christian Forys