Patents by Inventor Paul Simonetti

Paul Simonetti 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).

  • 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
  • Patent number: 7080975
    Abstract: A pump apparatus is provided which comprises a displacement pump and a ceramic valve construction formed of a ceramic rotor and a ceramic stator having flat surfaces which are positioned in sealing relationship. The displacement pump comprises a reciprocating piston within a housing having an interior wall spaced apart from the piston. The position of the piston and the position of the rotor are controlled to effect desired fluid flow through the stator.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: July 25, 2006
    Assignee: Sapphire Engineering, Inc.
    Inventors: Keith Besse, Jon Bohlin, Steven Nurnberg, Paul Simonetti
  • Publication number: 20040265142
    Abstract: A pump apparatus is provided which comprises a displacement pump and a ceramic valve construction formed of a ceramic rotor and a ceramic stator having flat surfaces which are positioned in sealing relationship. The displacement pump comprises a reciprocating piston within a housing having an interior wall spaced apart from the piston. The position of the piston and the position of the rotor are controlled to effect desired fluid flow through the stator.
    Type: Application
    Filed: June 25, 2003
    Publication date: December 30, 2004
    Inventors: Keith Besse, Jon Bohlin, Steven Nurnberg, Paul Simonetti