Patents by Inventor John H. Sewell

John H. Sewell 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: 4533589
    Abstract: A method is described for the production of composite materials from layers of wood veneer and fibres bonded together and impregnated with resin. The method includes the steps of (a) impregnating at least one layer of reinforcement fibres with a first resin, (b) coating surfaces of at least one layer of wood veneer with a second resin, (c) stacking the at least one resin impregnated reinforcement fibre layer with the at least one layer of resin coated wood veneer and (d) bonding the layers together under conditions of pressure and temperature appropriate to the resins employed in step (a) and step (b) to produce a laminate. Examples of composites are given using carbon fibres and hard wood veneers together with properties thereof.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: August 6, 1985
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventor: John H. Sewell