Patents by Inventor Johan R. van den Broeke

Johan R. van den Broeke 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).

  • Discharge pit having a water trap
    Patent number: 4463461
    Abstract: The invention has for its object to construct a discharge pit in a manner such that the height of incorporation is adjustable, whereas the effective height of the water trap remains unvaried under any condition so that the dimensions can always be adapted in the factory to the standards imposed by the authorities.In order to achieve the above-mentioned object the invention provides a discharge pit with a water trap comprising a housing that can be fastened to the discharge tube, an annular pot vertically displaceable therein and having a perforated lid adapted to be mounted in the plane of the floor and having a tube stub extending vertically in the pot and having a predetermined height to form the water trap, said pot being vertically slidable in sealing relationship in said housing or around a tube end connected with the discharge tube.
    Type: Grant
    Filed: January 4, 1983
    Date of Patent: August 7, 1984
    Assignee: Viplex-Plastics B.V.
    Inventors: Johan R. van den Broeke, Aleidus G. van den Broeke