Patents by Inventor Willem Oldenburg

Willem Oldenburg 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).

  • Detergent dispenser system
    Patent number: 6701944
    Abstract: A removable cartridge for a detergent dispensing system for a dishwasher comprising: a storage unit containing a plurality of cylindrical or spherical detergent tablets arranged in two or more rows with curved surfaces of adjacent tablets touching such that when the cartridge is upright the tablets will move under gravity towards a transfer station, a transfer station comprising ejection means to eject a tablet from the transfer station through a transfer port out of the cartridge, a transfer seal associated with the transfer port to prevent ingress of moisture into the cartridge.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: March 9, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Richard Paul McNabb, Willem Oldenburg, Kevin Roberts
  • Detergent dispenser system
    Publication number: 20020117511
    Abstract: A removable cartridge for a detergent dispensing system for a dishwasher comprising:
    Type: Application
    Filed: January 23, 2002
    Publication date: August 29, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Richard Paul McNabb, Willem Oldenburg, Kevin Roberts
  • Method of washing fabrics in automatic dosing machine
    Patent number: 5266233
    Abstract: Use is disclosed of a non-aqueous liquid detergent composition for the washing of fabrics in a domestic automatic dosing washing machine.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: November 30, 1993
    Assignee: Lever Brothers Company
    Inventors: Mark P. Houghton, Willem Oldenburg
  • Particulate detergent composition
    Patent number: 4929379
    Abstract: The invention pertains to a particulate detergent composition comprising a detergent active system consisting of a fatty acid soap component having a Krafft temperature of below 30.degree. C. and an alkoxylated alcohol nonionic component having an HLB value of between 12 and 16, an alkaline buffering agent and a builder. The composition provides a particulate product, which is easily water-dissolvable without any significant agitation to form stable concentrated alkaline stock-solutions.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: May 29, 1990
    Assignee: Lever Brothers Company
    Inventors: Willem Oldenburg, Simon N. Hemmes, Jaap E. Hobbel