Patents by Inventor Harrison F. Lyman, Jr.

Harrison F. Lyman, Jr. 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: 5055184
    Abstract: This invention relates to a gas assisted flotation process and apparatus useful in the separation of solids from liquids in a slurry, such as treated waste waters, paper pulp solutions etc. The gas assisted flotation process may be operated on a continuous basis. The upper portion of the main chamber of the apparatus is tapered inward to terminate in an apex which has an opening through which the floated and compressed solids and gas are removed. The apparatus also has a fluid discharge line through which the separated fluids may be removed which also contains a fluid discharge valve which may be opened and constricted intermittently to control the flow of slurry through the system.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: October 8, 1991
    Assignee: Redux Corporation
    Inventors: Robert K. Carpenter, Harrison F. Lyman, Jr.
  • Patent number: 4902429
    Abstract: This invention relates to a gas assisted flotation process and apparatus useful in the separation of solids from liquids in a slurry, such as treated waste waters, paper pulp solution etc. The gas assisted flotation process may be operated on a continuous basis. The upper portion of the main chamber of the apparatus is tapered inward to terminate in an apex which has an opening through which the floated and compressed solids and gas are removed. The apparatus also has a fluid discharge line through which the separated fluids may be removed which also contains a fluid discharge valve which may be opened and constricted intermittently to control the flow of slurry through the system.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: February 20, 1990
    Assignee: Redux Corporation
    Inventors: Robert K. Carpenter, Harrison F. Lyman, Jr.