Patents by Inventor Brian A. Head

Brian A. Head 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).

  • Method of filtering oil from oil-and-water emulsions
    Patent number: 4309289
    Abstract: A method of separating an oil-and-water phase from an oil-and-water emulsion, which method comprises passing the emulsion first through a wall of a prefilter composed first of fibres having an energy of adhesion of from 2 to 50 ergs/cm.sup.2 to form larger oil droplets, and, thereafter, passing the larger oil droplets and the emulsion through adjacent layers of glass fibres, to separate the oil phase from the oil-and-water emulsion, and then collecting and removing the oil phase, while permitting the passage of an essentially oil-free water phase of the emulsion from the prefilter.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: January 5, 1982
    Assignee: Whatman Reeve Angel Limited
    Inventor: Brian A. Head