Patents by Inventor Colin David Chamberlain

Colin David Chamberlain 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).

  • SAFETY PROPELLER
    Publication number: 20130202451
    Abstract: A propeller (10,110) has a hub (20,120) with blades (40,140). A safety member (50,150) is provided along at least a portion of the leading edge (43,143) of each blade (40,140); and the blades (140) may incorporate anti-cavitation slots (160).
    Type: Application
    Filed: March 15, 2013
    Publication date: August 8, 2013
    Inventor: Colin David Chamberlain
  • Safety propeller
    Patent number: 8491268
    Abstract: A propeller (10,110) has a hub (20,120) with blades (40,140). A safety member (50,150) is provided along at least a portion of the leading edge (43,143) of each blade (40,140); and the blades (140) may incorporate anti-cavitation slots (160).
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: July 23, 2013
    Inventor: Colin David Chamberlain
  • SAFETY PROPELLER
    Publication number: 20100111703
    Abstract: A propeller (10,110) has a hub (20,120) with blades (40,140). A safety member (50,150) is provided along at least a portion of the leading edge (43,143) of each blade (40,140); and the blades (140) may incorporate anti-cavitation slots (160).
    Type: Application
    Filed: September 25, 2007
    Publication date: May 6, 2010
    Inventor: Colin David Chamberlain