Patents by Inventor David Merrill Shaw

David Merrill Shaw 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).

  • Vehicle fire suppression access port
    Patent number: 4047572
    Abstract: A fire suppression access port is provided in the various plates, doors or covers of a vehicle for ready application of a fire suppressant to areas of the vehicle behind said plates, doors or covers where a fire might erupt. The access port includes a distortable diaphram through which a fire extinguisher nozzle can penetrate together with a tapered throat for guiding the nozzle into a somewhat sealed condition in the port and a nozzle assembly with a spring loaded cap, which nozzle assembly is directed toward the location where a fire is most likely to start.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: September 13, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: William Richard Stary, David Merrill Shaw