Patents by Inventor Willem J. A. Kernkamp

Willem J. A. Kernkamp 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).

  • Cargo lock for fixing cargo pallets to seat tracks in aircraft
    Patent number: 6413029
    Abstract: A cargo locking device for locking of freight in a vehicle such as the stowage of containers or pallets in aircraft in which track connectors, namely the tensile studs are arranged in such a manner that tensile load is distributed between the floor beams. The cargo lock has a lock length about equal to or exceeding the transverse beam pitch, the tensile studs being placed in groups at both ends of the lock and the pawls in the middle of the lock such that pawl loads are split between the forward and the aft stud.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: July 2, 2002
    Inventor: Willem J. A. Kernkamp
  • Cargo lock for fixing cargo pallets to seat tracks in aircraft
    Patent number: 6193453
    Abstract: A cargo locking device for locking of freight in a vehicle such as the stowage of containers or pallets in aircraft in which track connectors, namely the tensile studs are arranged in such a manner that tensile load is distributed between the floor beams. The cargo lock has a lock length about equal to or exceeding the transverse beam pitch, the tensile studs being placed in groups at both ends of the lock and the pawls in the middle of the lock such that pawl loads are split between the forward and the aft stud.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: February 27, 2001
    Inventor: Willem J. A. Kernkamp
  • Fluid drag reducing apparatus
    Patent number: 5456199
    Abstract: A unique fluid drag reducing structure arranged such that the center of mass of the apparatus, when assembled, is positioned forward of the center of rotation of the apparatus when installed. Such an arrangement assures that the apparatus will be flutter free, while still allowing the apparatus to feather into the wind. The structure of and method for assembly provides for easy installation and removal of the apparatus on existing cylindrical structures without the need to disassemble the existing structure.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: October 10, 1995
    Inventor: Willem J. A. Kernkamp