Patents by Inventor Marcus Kuipers

Marcus Kuipers 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: 4049263
    Abstract: A diving board comprising a layer extending over its full length, at least one of its upper and lower surfaces being provided with thin sheets of reinforcing material, said sheets having different lengths, the lengths of said sheets diminishing from the front and the rear ends of the diving board to a portion of said diving board lying between its both ends, which portion is destined for resting on a support of said diving board. The diving board has a light primary layer to take up part of the total bending force thereon with at least an upper or lower surface with reinforcing material provided so that the amount of reinforcing material is substantially adapted to the moment acting in each cross-section of the diving board.BACKGROUND OF THE INVENTIONThe present invention relates to a diving board for a swimming pool, said driving board being of the cantilever type having its rear end attached to a stationary support and resting on a fulcrum at a place between its front and rear ends.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: September 20, 1977
    Assignee: N. V. Tramposafe
    Inventors: Dirk J. Gerritsen, Marcus Kuipers