Patents by Inventor Robert Jan Reinier Uhlhorn

Robert Jan Reinier Uhlhorn 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).

  • Self-contained and wireless device for a washing machine
    Patent number: 8978186
    Abstract: The invention relates to a self-contained and wireless monitoring device (10) for use in a washing machine (1) to indicate shortage of detergent in said washing machine. The monitoring device comprises a sensor (13) arranged to monitor detergent concentration in washing liquid (5) of said washing machine and to provide an alarm signal (A) when said monitored detergent concentration is below a target value. The monitoring device is capable of floating in said washing liquid and comprises signalling means (11) for indicating said shortage of detergent in response to said alarm signal. The invention further relates to a package containing such a monitoring device and a method for indicating shortage of detergent.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: March 17, 2015
    Assignee: Diversey, Inc.
    Inventors: Jan Eduard Veening, Lambertus Gerardus Petrus Van Der Heijden, Robert-Jan Reinier Uhlhorn
  • Detergent sensor for a warewash machine
    Patent number: D573909
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: July 29, 2008
    Assignee: Johnsondiversey, Inc.
    Inventors: Jan Eduard Veening, Lambertus Gerardus Petrus Van der Heijden, Robert Jan Reinier Uhlhorn
  • Detergent sensor
    Patent number: D583267
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: December 23, 2008
    Assignee: JohnsonDiversey, Inc.
    Inventors: Jan Eduard Veening, Lambertus Gerardus Petrus Van der Heijden, Robert Jan Reinier Uhlhorn