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:
Aug. 27, 2019
Filed:
Dec. 15, 2016
Caterpillar Inc., Peoria, IL (US);
Alan Ray Stockner, Metamora, IL (US);
Aaron M. Brown, Peoria, IL (US);
Sridhar Thangaswamy, Peoria, IL (US);
Glenn B. Cox, Peoria, IL (US);
John Jay Truhan, Jr., Peoria, IL (US);
Michael J. Pollard, Peoria, IL (US);
John P. McDonnel, DeWitt, IA (US);
Caterpillar Inc., Deerfield, IL (US);
Abstract
A pumping mechanism is disclosed. The pumping mechanism may include a barrel formed of a barrel substrate and including a first end surface, a second end surface opposite the first end surface, and a bore between the first and second end surfaces. Each of the first and second end surfaces and the bore is coated with a metal plating. The pumping mechanism may further include a plunger formed of a plunger substrate and configured to be slidably disposed in the bore in barrel, the plunger substrate having a tribological coating.