Patents by Inventor Vincent R. Rizzo, Jr.

Vincent R. Rizzo, Jr. 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).

  • Method and apparatus for modifying pressure within a fluid dispenser
    Patent number: 8147773
    Abstract: A fluid dispenser useful in automated biological reaction systems comprising a barrel having a reservoir chamber, the barrel having an upper portion and a lower portion, a cap located on top of the upper portion of the barrel and connected to the reservoir chamber, the cap having an external surface with at least one hole therethrough, a valve comprising a biasing member and a hole sealer, the valve being located in the hole in the cap at the point where a downward force is applied against the cap, a coupler having a dispense chamber, the coupler being coaxial with the barrel and wherein the barrel lower portion moves into the dispense chamber during dispensing of fluid, and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: April 3, 2012
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Charles D. Lemme, Vincent R. Rizzo, Jr., Bobbi Druyor-Sanchez, Anthony Ford, Bronwen Heilman, Darin McDaniel, Brian McGraw, Stephen Mead, William Richards, Wayne Showalter
  • METHOD AND APPARATUS FOR MODIFYING PRESSURE WITHIN A FLUID DISPENSER
    Publication number: 20110168744
    Abstract: A fluid dispenser comprising a barrel having a reservoir chamber, the barrel having an upper portion, a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough, a valve comprising a biasing member and a hole sealer, the valve being adjacent to the reservoir chamber, a coupler having a dispense chamber, and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material.
    Type: Application
    Filed: March 17, 2011
    Publication date: July 14, 2011
    Applicant: Ventana Medical Systems, Inc.
    Inventors: Charles D. Lemme, Vincent R. Rizzo, JR., Bobbi Druyor-Sanchez, Anthony Ford, Bronwen Heilman, Darin McDaniel, Brian McGraw, Stephen Mead, William Richards, Wayne Showalter