Patents by Inventor David Carambat

David Carambat 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).

  • Aircraft vehicle centrifugal fan apparatus
    Patent number: 8596570
    Abstract: An aircraft provides hovercraft power via fabric fans that produce lift for supporting the craft above an underlying support surface. Fabric fans are specially configured for maximum efficiency. In one embodiment, a helicopter utilizes the fan as part of a tail rotor assembly.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: December 3, 2013
    Inventor: David Carambat
  • Amphibious vehicle
    Patent number: 7934963
    Abstract: An amphibious craft has a buoyant raft with a self-bailing upper surface. A cabin or upper is mounted to the raft. An engine/motor selectively drives a pair of wheels or a water drive. A disconnect enables only one drive to be engaged with the engine/motor.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: May 3, 2011
    Inventor: David Carambat