The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2012
Filed:
Mar. 17, 2011
Charles D. Lemme, Tucson, AZ (US);
Vincent R. Rizzo, Jr., Tucson, AZ (US);
Bobbi Druyor-sanchez, Mesa, AZ (US);
Anthony Ford, Tucson, AZ (US);
Bronwen Heilman, Tucson, AZ (US);
Darin Mcdaniel, Tucson, AZ (US);
Brian Mcgraw, Tucson, AZ (US);
Stephen Mead, Bradenton, FL (US);
William Richards, Tucson, AZ (US);
Wayne Showalter, Tucson, AZ (US);
Charles D. Lemme, Tucson, AZ (US);
Vincent R. Rizzo, Jr., Tucson, AZ (US);
Bobbi Druyor-Sanchez, Mesa, AZ (US);
Anthony Ford, Tucson, AZ (US);
Bronwen Heilman, Tucson, AZ (US);
Darin McDaniel, Tucson, AZ (US);
Brian McGraw, Tucson, AZ (US);
Stephen Mead, Bradenton, FL (US);
William Richards, Tucson, AZ (US);
Wayne Showalter, Tucson, AZ (US);
Ventana Medical Systems, Inc., Tucson, AZ (US);
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.