Patents by Inventor John E. Charters

John E. Charters 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: 4515601
    Abstract: Green briquette agglomerates (10) are manufactured by simultaneously crushing and blending high sulfur petroleum coke (20), a high R/B softening point, high sulfur and metals content asphaltene binder (22), and dolomitic limestone (24) as a sulfur sorbent in pulverizer (26). The uniform mixture is cold pressed on roll briquetting machine (85) into durable briquettes (104). On gasification or combustion, a high percentage of the sulfur combines with the Dolomite and is discharged from the gasifier or furnace with the ash. The sorbent effectiveness and degree of sulfur oxide emission control are significantly enhanced versus prior art when burning a high sulfur coke in the improved briquette of the invention.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: May 7, 1985
    Inventor: John E. Charters