Patents by Inventor Phillip Henry DeRuiter

Phillip Henry DeRuiter 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).

  • Control knob and control panel
    Patent number: 7285738
    Abstract: A control knob for a control panel assembly having a panel to which a push-and-turn switch assembly is mounted, with the switch assembly having a stem axially movable and rotatable to effect actuation of the switch assembly. The control knob has a cap and a skirt. The cap is axially immobile relative to the stem, and the skirt is coupled with the stem for axial movement therewith. The skirt is axially moveable relative to the cap. An axial force acting on the cap is not transferred to the stem and an axial force acting on the skirt will cause axial movement of the stem.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: October 23, 2007
    Assignee: Whirlpool Corporation
    Inventors: Kim Cyril Lavigne, Phillip Henry DeRuiter