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. 17, 2012
Filed:
Dec. 05, 2008
Applicants:
Heiner Ophardt, Vineland, CA;
Charles S. Charron, Oakville, CA;
Inventors:
Heiner Ophardt, Vineland, CA;
Charles S. Charron, Oakville, CA;
Assignee:
Gotohti.com Inc., , CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a piston pump, the improvement of providing a locating disc on the piston extending radially outwardly from the piston to engage a chamber wall of the piston chamber and with the locating disc having an opening axially therethrough permitting fluid flow both in an inward direction and an outward direction.