Patents by Inventor Vanessa Kollars

Vanessa Kollars 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).

  • Reciprocating antirotation pump
    Publication number: 20080152515
    Abstract: A pump for pumping discrete liquid volumes is provided with an anti-rotation construction to prevent a nut mated to a rotating head screw from rotating when the lead screw is rotated. The anti-rotation construction comprises a set of rails that slideably fit within a mating set of tracks. The pump also can include a variable homing position for a pump piston having at least two different homing positions.
    Type: Application
    Filed: December 10, 2007
    Publication date: June 26, 2008
    Inventors: Jeffrey A. Karg, Paul Simonetti, Vanessa Kollars