Patents by Inventor Ernest Brian Hayes

Ernest Brian Hayes 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).

  • Particulate sorbent smoke filter
    Patent number: 6080457
    Abstract: A smoke filter consists of substrate threads and/or strips each pre-coated with particulate sorbent (e.g. activated carbon granules), gathered together in solid or tubular rod form e.g. within a containing sleeve. When the gathered threads and/or strips form a tubular body, this may be provided with a core.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: June 27, 2000
    Assignee: Cigarette Components Limited
    Inventors: John Charlton, Paul Francis Clarke, Ernest Brian Hayes