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:
Mar. 06, 2018
Filed:
Jan. 30, 2015
Caterpillar Inc., Peoria, IL (US);
Robert Michael Campion, Chillicothe, IL (US);
John Jay Truhan, Jr., Peoria, IL (US);
Joshua Steffen, El Paso, IL (US);
Shivangini Singh Hazari, Peoria, IL (US);
Steven Charles Taylor, Germantown Hills, IL (US);
Michael James Pollard, Peoria, IL (US);
Alan Ray Stockner, Metamora, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A pump is disclosed. The pump may include at least one pumping mechanism. The at least one pumping mechanism may include a barrel formed of a substrate having a bore and a plunger formed of a substrate and slidably disposed within the bore in the barrel. The pump may further include a coating disposed on the plunger. The coating may include a main layer containing a tribological material and a sacrificial break-in layer disposed on the main layer, the break-in layer containing a tribological material.