Patents by Inventor Mohamed A. Hamdi

Mohamed A. Hamdi 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).

  • Acoustic insulating box
    Patent number: 5598669
    Abstract: In order to improve an acoustic insulation performance of a box with parallel faces such as an insulating glazing, the box is equipped with a waveguide. Preferably, the waveguide is situated at the periphery and communicates with the gap of the box via localized orifices situated on each of the sides.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: February 4, 1997
    Assignee: Saint Gobain Vitrage International "Les Miroirs"
    Inventors: Mohamed A. Hamdi, Hamid Bouhioui, Marc Rehfeld