Patents by Inventor Eric Leduc

Eric Leduc 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).

  • Apparatus for the continuous sampling and analysis of a liquid effluent
    Patent number: 5723093
    Abstract: The invention relates to an apparatus for continuously sampling and analyzing a liquid effluent, e.g. from an industrial installation, thereby permitting the rapid detection of pollution in a discharge. The apparatus comprises a valve (6) for permanently deflecting part of the liquid effluent to be analyzed in the direction of first distribution valve (12), at least two provisional storage tanks (10), connected to the inlet of a sampling cell (22), and capillary tube (28) for taking a sample from said sampling cell (22) and passing it to at least one measuring device (30). The distribution valve (12) is designed so as successively to fill provisional storage tanks (10), the storage tanks (10) being emptied, in the order in which they were filled, into the sampling cell (22) when the latter is empty.
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: March 3, 1998
    Assignee: Commissariat a L'Energie Atomique
    Inventors: Thierry De Bruyne, Eric Leduc, Thierry Juhel