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:
Jul. 19, 2016
Filed:
Apr. 27, 2011
Timothy S. Roman, Minnetonka, MN (US);
Kurt R. Sjodin, Cedar, MN (US);
Adam L. Kalthoff, Circle Pines, MN (US);
Timothy S. Roman, Minnetonka, MN (US);
Kurt R. Sjodin, Cedar, MN (US);
Adam L. Kalthoff, Circle Pines, MN (US);
Other;
Abstract
In a reciprocating piston pump, pistonhas first or upper endand second or bottom endhaving inletand outletbores respectively located therein. Inlet checkis located in borewhile outlet checkis located in bore. As can be seen in FIG., each of boresandbranches into three (in the preferred embodiment) flow paths which alternate and are intertwined. It is the unique flow paths incorporating both the inlet and outlet check valves in the piston that are the key features of the invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile