US 12,466,721 B2
System for dispensing liquid from inverted container
Thomas Porter, Hartford, WI (US)
Assigned to SERVER PRODUCTS, INC., Richfield, WI (US)
Filed by Server Products, Inc., Richfield, WI (US)
Filed on Oct. 31, 2023, as Appl. No. 18/499,168.
Application 18/499,168 is a continuation of application No. 17/889,595, filed on Aug. 17, 2022, granted, now 11,820,642.
Claims priority of provisional application 63/233,944, filed on Aug. 17, 2021.
Prior Publication US 2024/0059545 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B67D 3/00 (2006.01)
CPC B67D 3/0032 (2013.01) [B67D 3/0061 (2013.01); B67D 3/0087 (2013.01); B67D 2210/00031 (2013.01); B67D 2210/00047 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A positive pressure valve assembly for use with a container having a main body for storing a supply of a liquid to be dispensed and a dispensing opening, the positive pressure valve assembly comprising:
an engagement collar sized to be securely attached to the dispensing opening of the container;
a dispensing tube extending from the engagement collar and including a liquid passageway;
a flow restrictor positioned to control a flow of the liquid out of the dispensing tube;
a one-way valve positioned in the engagement collar to allow air flow into an open interior of the main body as the liquid is dispensed; and
an air supply member having an air flow passageway including an air inlet and an air outlet in communication with the one-way valve, wherein the dispensing tube extends through the air supply member when the positive pressure valve assembly is mounted to the container.