Patents by Inventor Jean Henri Bertin

Jean Henri Bertin 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).

  • Air-lift vehicles
    Patent number: 4042060
    Abstract: An air-lift vehicle has inner and outer multi-lobed peripheral skirts arranged so that the corresponding lobes of the skirts are in register. Means is provided to supply compressed air to the inside of the inner skirt and between the inner and outer skirts for lifting purposes. The space between the skirts comprises a plurality of compartments each defined by two corresponding lobes of the inner and outer skirts. The lower edges of the lobes of the outer skirt at least are located in the same horizontal plane as a result of which the height of lift and the stability of the vehicle are improved.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: August 16, 1977
    Assignees: Bertin & Cie, Societe d'Etudes et de Developpement des Aeroglisseurs Marins, Terrestrea et Amphibies S.E.D.A.M.
    Inventors: Jean Henri Bertin, Paul Guienne, Andre Lafont