Patents Assigned to Van de Lande en Zonen B.V.
  • Method and apparatus for irrigating products on cultivating tables
    Patent number: 7266924
    Abstract: A system comprising cultivating tables as well as an irrigation device for supplying a liquid medium to cultivation products being cultivated on the cultivating tables, a special feature being the fact that each cultivating table comprises an inlet and an outlet for the medium, with the inlet and/or the outlet comprising a coupling for detachably connecting adjacent cultivating tables.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: September 11, 2007
    Assignee: Van De Lande En Zonen B.V.
    Inventor: Theodorus G. A. Van De Lande
  • 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