Patents by Inventor Edward J. Koch

Edward J. Koch 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).

  • Portable launcher-unloader for boat trailers
    Patent number: 5154564
    Abstract: A portable device for launching-unloading a boat (24) from a boat trailer (10) wherein a winch rope snap (46) is snapped in to a boat bow eye (26) and a winch rope (36) is extended through a swivel pulley (38) attached to the rear trailer frame cross member (16) and continued forward to the launching winch (28). Upon activation of the launching winch (28) a rearward directional thrust is developed causing the boat (24) to move off of the trailer (10).
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: October 13, 1992
    Inventor: Edward J. Koch