Patents Assigned to PREVENTECH LTD.
  • Particle filter mask
    Patent number: 11433261
    Abstract: The present invention relates to a face mask comprising (a) a mask body portion configured to surround the mouth and at least part of the nose of a wearer; (b) a sealed compressible cushion formed on the inner face of said mask body portion wherein the middle of said cushion is placed in close proximity to the middle of the superior perimeter of said mask body portion, and wherein said cushion is at least partially filled with a fluid.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: September 6, 2022
    Assignees: PREVENTECH LTD., DEA R&D LTD.
    Inventors: Reuven Fichman, Eliahu Uri Groomi Cohen, Ariel Pinhas Ben-Rey, Guy David Robin, Moran Bodas