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:
Jun. 23, 2015
Filed:
Mar. 13, 2013
Applicant:
Gotohti.com Inc., Beamsville, CA;
Inventors:
Assignee:
GOTOHTI.COM INC., Beamsville, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 11/00 (2006.01); F04B 19/00 (2006.01); B05B 11/00 (2006.01); A47K 5/12 (2006.01);
U.S. Cl.
CPC ...
F04B 19/00 (2013.01); B05B 11/0054 (2013.01); B05B 11/3008 (2013.01); B05B 11/3066 (2013.01); B05B 11/3069 (2013.01); A47K 5/1207 (2013.01);
Abstract
In a piston pump having a piston axially slidable in a chamber in a piston chamber forming body between a one-way inlet valve and an axially spaced one-way outlet valve to dispense fluid, an arrangement for varying the volume of the chamber by varying the axial location of the one-way inlet valve within the chamber by engagement of the one-way inlet valve with the piston to move the one-way inlet valve to different axially spaced locations within the chamber.