Patents by Inventor Theodorus Gabriel Antonius Van de Lande

Theodorus Gabriel Antonius Van de Lande 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).

  • Slide valve
    Patent number: 6375157
    Abstract: A valve substantially made of plastic material having a housing which is connected to a conduit for a flowing medium, which housing contains a slide which is capable of movement transversely to the direction of flow of said medium between a closed position, in which the flow can be shut off, and an open position, in which said flow can be released, wherein the housing has a lower housing, for the connection, and an upper housing for the slide, which is detachably connected therewith.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: April 23, 2002
    Assignee: Van de Lande en Zonen B.V.
    Inventor: Theodorus Gabriel Antonius Van de Lande