Patents by Inventor Andre C. Lavanchy

Andre C. Lavanchy 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).

  • Centrifuge apparatus
    Patent number: 4245777
    Abstract: In a decanter centrifuge having the heavy phase discharge weir a greater radial distance from the bowl axis than the light phase weir, a slender feed cone is provided to minimize turbulence from feed entering for separation and the baffle is of annular construction mounted on the feed cone. The baffle is made in sections which overlap circumferentially to prevent liquid flow in axial direction, and which also adjustably overlap in radial direction in order to permit selective adjustment of its outside diameter.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: January 20, 1981
    Assignee: Pennwalt Corporation
    Inventor: Andre C. Lavanchy