Patents by Inventor Yvon Lagrange

Yvon Lagrange 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).

  • Publication number: 20020134438
    Abstract: Viewing device adaptable to a pipe in which a fluid containing solid particles circulates, allowing to examine a volume of this fluid isolated from the fluid stream without changing its thermodynamic state in relation to that of the circulating fluid.
    Type: Application
    Filed: June 13, 2001
    Publication date: September 26, 2002
    Inventors: Regis Vilagines, Philippe Maurel, Yvon Lagrange