Patents by Inventor Christaan M. P. De Ridder

Christaan M. P. De Ridder 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).

  • Sand pan
    Patent number: 5176838
    Abstract: An improved sand pan and flushing jet apparatus is provided along with a process to separate solids from a fluid stream. The sand pan has openings along the side which increase in flow area with increasing distance from a slurry blowdown. Flushing jets are provided within the sand pan to remove slurry drawn into the sand pan by blowdown flow.
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: January 5, 1993
    Assignee: Shell Western E&P Inc.
    Inventors: Robert W. Chin, Eugene B. Greene, Timothy A. League, Christaan M. P. De Ridder