Patents by Inventor Robert Malcolm Cameron

Robert Malcolm Cameron 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).

  • Noise muffler-exhaust filter for a marine engine
    Patent number: 6244918
    Abstract: A muffler-filter apparatus comprises a filter housing providing a flexible cylindrical wall enclosed at one end by a screen integrally joined peripherally with a distal end rim of the cylindrical wall, and a strap device for tightening a proximal end rim of the cylindrical wall for enabling the proximal end rim of the cylindrical wall to be fixed onto a propeller hub of an outboard motor so as to position the filter housing for receiving exhausts of the outboard motor's engine. A filter media is tight fitting within the cylindrical wall so as to prevent exhaust gas blowby, and is enabled for capturing oil, dust and water from exhaust gases passing therethrough while reducing exhaust noise.
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: June 12, 2001
    Inventor: Robert Malcolm Cameron
  • Foot pillow
    Patent number: D913724
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 23, 2021
    Inventor: Robert Malcolm Cameron