Patents by Inventor John E. Occleshaw

John E. Occleshaw 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).

  • Improvements in and relating to board products
    Patent number: 3969567
    Abstract: A fire-resistant board product is comprised of a hydraulic cement binder reinforced by a mixture of long and short staple vitreous fibres, silica in an amount at least sufficient to react with the free lime in the cement, together with from 1 to 10% by weight of a cellulosic fibre. Optionally, the board product further includes at least one low density filler which may provide at least part of the silica component.
    Type: Grant
    Filed: March 8, 1974
    Date of Patent: July 13, 1976
    Assignee: TAC Construction Materials Ltd.
    Inventors: John E. Occleshaw, Terence D. Smith