Patents by Inventor Lambertus J. Pezij

Lambertus J. Pezij 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: 5993180
    Abstract: A pump is assembled, starting from a basic part having an inlet channel and an outlet channel, which terminate in a wall portion, by successively stacking a valve foil provided with an inlet valve and an outlet valve onto the wall portion, stacking an intermediate part having an inlet opening and an outlet opening onto the stack comprising the basic part and the valve foil, stacking an end part of a flexible material onto the stack comprising the basic part, the valve foil and the intermediate part, and securing the end part to the basic part. The pump is particularly suited for use in a personal body care appliance such as an electric shaver, depilating device or body massage device.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: November 30, 1999
    Assignee: U.S. Philips Corporation
    Inventors: Willem A. Westerhof, Lambertus J. Pezij
  • Patent number: D541587
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: May 1, 2007
    Assignee: Nova Products B.V.
    Inventor: Lambertus J. Pezij