Patents by Inventor Yves Andre May

Yves Andre May 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).

  • Multivolume pipette
    Patent number: 7673531
    Abstract: A multivolume pipette is provided. In an exemplary embodiment, the multivolume pipette includes a pipette body, a piston disposed within the pipette body, a first chamber, a second chamber, and a valve. The first chamber and the second chamber are defined at least in part by an inner wall of the pipette body and the piston. The valve is capable of placing the second chamber in fluid communication with an external environment to provide a first volume range of the multivolume pipette. The valve is also capable of placing the second chamber in fluid communication with the first chamber to provide a second volume range of the multivolume pipette.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: March 9, 2010
    Assignee: Gilson S.A.S.
    Inventors: Yves Andre May, Bernard Henri Julien Roussel, Frederic Millet