Patents by Inventor Alain Chambon

Alain Chambon 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).

  • Wheel rut-resistant carriageway and process for obtaining such a carriageway
    Patent number: 6187428
    Abstract: A wheel rut-resistant carriageway and process for obtaining a wheel rut-resistant carriageway. The wheel rut-resistant carriageway includes at least one rigid base layer, at least one intermediate layer, and a rough upper layer. The at least one rigid base layer has a thickness in the range of approximately 6 cm to approximately 8 cm. The at least one intermediate layer is disposed over the at least one rigid base layer and has a thickness in the range of approximately 4 cm to approximately 5 cm. The at least one intermediate layer has a high void rate allowing for the evacuation of heat by ventilation. The rough upper layer is disposed over the intermediate layer and has a thickness in the range of approximately 2 cm to approximately 3 cm. The process includes applying the at least one rigid base layer having a thickness in the range of approximately 6 cm to approximately 8 cm to a surface.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: February 13, 2001
    Assignee: Colas S.A.
    Inventor: Alain Chambon