Patents by Inventor Charles-Henri Viel

Charles-Henri Viel 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).

  • Patent number: 5643367
    Abstract: A method and device for cleaning solid elements such as glass making moulds. The moulds are cleaned by first removing greases or organic materials and then cleaning by photo-ablation by a laser impact of at least a portion of the surface of the moulds. The two steps may be repeated.
    Type: Grant
    Filed: November 15, 1995
    Date of Patent: July 1, 1997
    Assignee: Saint Gobain Emballage
    Inventor: Charles-Henri Viel