Patents by Inventor Gerard Cornelis Rijn

Gerard Cornelis Rijn 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).

  • Patent number: 6189161
    Abstract: A valve and vent assembly for a self-contained sanitary system of the type including a toilet structure with a downwardly directed outlet opening and a storage compartment defined and located below the outlet opening, and a waste holding tank removably disposed within the storage compartment. The tank has a fill opening positioned in registry with the outlet opening when the tank is inserted within the storage compartment. The valve and vent assembly is operable to close the fill opening and to seal the tank to prevent leakage of waste from the tank through the fill opening, a vent passage in the storage compartment and communicating with the waste holding tank extends outside of said compartment thereby enabling noxious and odorous air in the holding tank to pass out of the tank.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: February 20, 2001
    Assignee: Thetford Corporation, Inc.
    Inventors: Gerard Cornelis Rijn, Frank Schagen
  • Patent number: 5746466
    Abstract: A door assembly to be attached to a cutout in the side wall of a recreational vehicle for alternatively closing off and providing access to an internal compartment. A body frame is attached to the cut out in the side wall. A door panel is attached by a hinge to the body frame. A pair of push button latch mechanisms, one of which contains an integrated lock, retains the door panel in the closed position. The locking latch may be switched to the locked position when the door is open, automatically locking the door when it is closed. A flexible seal, incorporating a double sealing surface feature, is attached to the perimeter of the door and seats against the frame when the door is closed. The door panel includes a separate door wall and inner and outer door frames which are joined by a retaining clip. The metal retaining clip has a return bent upon itself shape and pointed wedge shaped upset portions for joining the outer and inner door frames.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: May 5, 1998
    Assignee: Thetford Corporation
    Inventors: John M. Antos, John R. Selina, David B. Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros
  • Patent number: D390525
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: February 10, 1998
    Assignee: Thetford Corporation
    Inventors: John M. Antos, John R. Selina, David B. Cameron, James M. Byrne, Gerard Cornelis Rijn, Marinus Antonius Ros