Patents by Inventor Romain Boulanger

Romain Boulanger 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: 11104426
    Abstract: An inflatable device for aircraft buoyancy, configured to be inflated in case of emergency landing on water, the device comprising a first inflatable chamber configured to be inflated from a source of gas, to change from a folded state to an inflated stated, a plurality of second inflatable chambers, each configured to be supplied from gas flowing in the first chamber, via at least one supply passage, each second inflatable chamber configured to be inflated to change from a folded state to an inflated stated, wherein each supply passage comprises a check valve.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: August 31, 2021
    Assignee: SAFRAN AEROSYSTEMS
    Inventors: Romain Boulanger, Jean-Yves Rivault
  • Publication number: 20200216171
    Abstract: An inflatable device for aircraft buoyancy, configured to be inflated in case of emergency landing on water, the device comprising a first inflatable chamber configured to be inflated from a source of gas, to change from a folded state to an inflated stated, a plurality of second inflatable chambers, each configured to be supplied from gas flowing in the first chamber, via at least one supply passage, each second inflatable chamber configured to be inflated to change from a folded state to an inflated stated, wherein each supply passage comprises a check valve.
    Type: Application
    Filed: September 24, 2018
    Publication date: July 9, 2020
    Applicant: Safran Aerosystems
    Inventors: Romain Boulanger, Jean-Yves Rivault