Patents by Inventor Jeff S. Thompson

Jeff S. Thompson 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).

  • Valve assembly
    Patent number: 7908934
    Abstract: A valve assembly includes a valve body having an inlet port and an outlet port, the valve body also having a valve chamber extending between the inlet port and the outlet port, a pair of seals each being located on opposing ends of the valve chamber; and a reciprocating piston extending into the valve chamber and movable between a closed position extending through the pair of seals and an open position extending only through one of the pair of seals, wherein the inlet port is fluidly connected with the outlet port when the piston is in the open position. A method of using the valve assembly is also disclosed.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: March 22, 2011
    Assignee: Dionex Corporation
    Inventors: Khosro Moshfegh, Jeff S. Thompson
  • Valve assembly
    Publication number: 20090217734
    Abstract: A valve assembly includes a valve body having an inlet port and an outlet port, the valve body also having a valve chamber extending between the inlet port and the outlet port, a pair of seals each being located on opposing ends of the valve chamber; and a reciprocating piston extending into the valve chamber and movable between a closed position extending through the pair of seals and an open position extending only through one of the pair of seals, wherein the inlet port is fluidly connected with the outlet port when the piston is in the open position. A method of using the valve assembly is also disclosed.
    Type: Application
    Filed: April 2, 2008
    Publication date: September 3, 2009
    Applicant: Dionex Corporation
    Inventors: Khosro MOSHFEGH, Jeff S. Thompson