Patents by Inventor Lambertus G. van der Heyden

Lambertus G. van der Heyden 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: 5417939
    Abstract: A dispensing system is provided comprising a detergent supply pack (1) for supplying solid state detergent material to a dispensing device (4) associated with a washing machine and said dispensing device, which supply pack comprises packaging material for said solid state detergent material, said solid state detergent material and a closing/release device for promoting release of the detergent solid from the supply pack into the dispensing device, whereby the closing/release device comprises two movable parts (3a,3b) in between which the packaging material is clamped and which, after closing, are blocked by locking studs, such that the locking studs can be released by placing the supply pack on a top centring frame of the dispensing device which is used as a key for opening the movable parts and introducing the solid detergent into the dispensing device.There are also provided a detergent supply pack and a dispensing device which are adapted for use in a dispensing system according to the invention.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: May 23, 1995
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Gerrit K. Bunschoten, Lambertus G. Van Der Heyden
  • Patent number: 5242081
    Abstract: A dual dispensing system for delivering aliquots of a liquid product comprising a housing, two collapsible reservoirs for the liquid product, two manually operated pumps, each of which is connected to one of the collapsible reservoirs and a means to switch over from one pump to another. The switch over means is automatically activated by the vacuum in one of these collapsible reservoirs when the liquid product therein is exhausted and it is fully collapsed.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: September 7, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Lambertus G. van der Heyden, Robert E. Tiepel, Gerrit K. Bunschoten