Patents by Inventor Pierre A. M. X. Delaittre

Pierre A. M. X. Delaittre 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 pumping well effluents
    Patent number: 4979880
    Abstract: A fluid motor and rotary pump are arranged in a cylindrical housing which is releasably secured in a cup-shaped base unit so that the housing can be removed from and inserted into the base via the open top.
    Type: Grant
    Filed: February 14, 1989
    Date of Patent: December 25, 1990
    Assignee: Shell Oil Company
    Inventor: Pierre A. M. X. Delaittre