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:
Nov. 14, 2023
Filed:
Jul. 24, 2020
Applicant:
Gojo Industries, Inc., Akron, OH (US);
Inventor:
Nick E. Ciavarella, Seven Hills, OH (US);
Assignee:
GOJO Industries, Inc., Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47K 5/14 (2006.01); B05B 7/00 (2006.01); B05B 11/04 (2006.01); B05B 11/10 (2023.01);
U.S. Cl.
CPC ...
A47K 5/14 (2013.01); B05B 7/0025 (2013.01); B05B 11/047 (2013.01); B05B 11/1087 (2023.01);
Abstract
Exemplary embodiments of pumps having positive pressure venting and refill units are disclosed herein. An exemplary pump includes a liquid pump chamber, a liquid piston, a first air pump chamber, and a first air piston and a mixing area in fluid communication with the liquid pump chamber and the first air pump chamber. The exemplary pump further includes a second air pump chamber and a second air pump piston. The second air pump chamber is configured for pumping air into a container and the first air piston and the second air piston move in unison.