Patents by Inventor John Gyann

John Gyann 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: 4764384
    Abstract: A filtering media for use with edible liquids consisting of 80 percent synthetic amorphous silica, 10 percent synthetic amorphous magnesium silicate, 9 percent diatomaceous earth, and 1 percent synthetic amorphous silica-alumina. The process of rejuvenating spent cooking oil by admixing the filtering media in the spent cooking oil, maintaining the mixture at a temperature of F. for a period of about five minutes, and filtering the mixture to remove particulate matter including the filtering media.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: August 16, 1988
    Assignee: GyCor International Ltd.
    Inventor: John Gyann