Patents by Inventor Jan Willem Bouwknegt

Jan Willem Bouwknegt 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).

  • Electronic alarm timer for use with a medical regimen
    Patent number: 7369463
    Abstract: A timer for assisting in the control of various medical regimen is described. The timer is particularly adapted for use in avoiding or assuring conception by providing a graphic representation on the timer to alert a user as to when a medically correct step needs to be taken. The timer is provided with an alarm that alerts one as to when a transition from one particular part of, for example, a contraceptive regimen to another part of the regimen is about to occur and illustrates the transition on the graphic representation. A status of the regimen is also presented to a user. One graphic representation involves an hour-glass filled with granules corresponding in number to the amount of time left before a transition in the medical regimen is to occur.
    Type: Grant
    Filed: February 19, 2000
    Date of Patent: May 6, 2008
    Assignee: N.V. Organon
    Inventors: Marlies Van Dullemen, Jan Willem Bouwknegt
  • Beer keg
    Patent number: D662757
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: July 3, 2012
    Assignee: Heineken Supply Chain B.V.
    Inventors: Jorrit Roos, Jan-Willem Bouwknegt, Herman Van der Vegt