Patents by Inventor Robert R. Hudgins

Robert R. Hudgins 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).

  • Patent number: 5011675
    Abstract: The efficiency of trickle bed reactors is improved by periodically varying the liquid flow rate through the solids bed of the reactor. The reaction rate, conversion and product concentration can be increased using the novel operating procedure.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: April 30, 1991
    Assignee: University of Waterloo
    Inventors: Patricia Haure, Peter L. Silveston, Robert R. Hudgins, Maxime Bellut
  • Patent number: 4417988
    Abstract: The efficiency of clarifiers is improved by providing a contraction adjacent the outlet which accelerates the liquid to a densimetric Froude number at the contraction of at least 0.1/.pi.. The contraction dampens internal waves in the fluid and improves the uniformity of flow of fluid through the tank.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: November 29, 1983
    Inventors: Jesus F. Cordoba-Molina, Robert R. Hudgins, Peter L. Silveston