Patents by Inventor Alain Laziou

Alain Laziou 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).

  • Device for detecting that a membrane in a membrane pump has broken
    Patent number: 4881876
    Abstract: The groove (13) for detecting the presence of a fluid between the membranes (1, 2) and indicating that one or other of them has broken, is profiled so as to be bullet-shaped, thereby preventing the membranes from being extruded into the groove under the effect of pumping pressure.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: November 21, 1989
    Assignee: Dosapro Milton Roy
    Inventor: Alain Laziou