Patents by Inventor David J. Dickson

David J. Dickson 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).

  • Flame arrestor
    Patent number: 5709187
    Abstract: A flame arrestor (70) for a marine engine (12) includes an air box (72) mounted to the combustion air intake (14), and a uniplanar flame arresting element (78) mounted to the air box (72) and passing combustion air therethrough in a first direction (80) into the air intake (14) and blocking flame propagation in a second opposite direction out of the air intake (14). Air flow from the flame arresting element (78) to the air intake (14) is rectilinear.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: January 20, 1998
    Assignee: Brunswick Corporation
    Inventors: Matthew W. Jaeger, Richard C. Todhunter, David J. Dickson, Douglas P. McIntire
  • Toilet bowl cleaner
    Patent number: 4149986
    Abstract: A toilet bowl cleaner comprising sodium sulphate, urea, a surfactant, water, sodium stearate and a water soluble dye is disclosed.
    Type: Grant
    Filed: November 3, 1977
    Date of Patent: April 17, 1979
    Inventor: David J. Dickson