Patents by Inventor Tony Cobden

Tony Cobden 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).

  • Winch and winch drum
    Patent number: 7226042
    Abstract: Disclosed is a winch drum for rotation about a rotation axis. The winch drum has a rope-receiving surface with a plurality of raised ridges defining substantially helical channels between them. The channels provide guidance for rope along the rope-receiving surface at least during rope release. The ridges have a meandering shape extending around the drum, formed from a series of alternating circumferential and axially inclined ridge elements.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: June 5, 2007
    Assignee: Lewmar Limited
    Inventors: Tony Cobden, Christopher Lesley Treagust
  • Winch and winch drum
    Publication number: 20060006371
    Abstract: Disclosed is a winch drum for rotation about a rotation axis. The winch drum has a rope-receiving surface with a plurality of raised ridges defining substantially helical channels between them. The channels provide guidance for rope along the rope-receiving surface at least during rope release. The ridges have a meandering shape extending around the drum, formed from a series of alternating circumferential and axially inclined ridge elements.
    Type: Application
    Filed: April 25, 2005
    Publication date: January 12, 2006
    Inventors: Tony Cobden, Christopher Treagust