Patents by Inventor Andre Tardieu

Andre Tardieu 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).

  • Process for shaping components made of concrete or mortar
    Patent number: 3974247
    Abstract: Process and device for shaping components made of mortar or concrete in which the temperature of the concrete is reduced to a value which makes it possible to freeze concretes and mortars.
    Type: Grant
    Filed: July 23, 1973
    Date of Patent: August 10, 1976
    Assignee: Societe Anonyme Coignet
    Inventor: Andre Tardieu