Patents by Inventor Peter L. LaMontagne

Peter L. LaMontagne 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 employing variable height discharge weir
    Patent number: 4575370
    Abstract: Dam members are provided with an upper discharge weir surface permitting flow of separated liquid thereover during normal or stable centrifuge operations, and a notch or the like interrupting said weir surface or disposed immediately therebelow to provide a lower discharge weir surface permitting flow of separated liquid therethrough to insure an absence of liquid being discharged at solid discharge ports during start-up.
    Type: Grant
    Filed: November 15, 1984
    Date of Patent: March 11, 1986
    Assignee: Pennwalt Corporation
    Inventor: Peter L. LaMontagne