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.

Date of Patent:
Sep. 01, 2015

Filed:

Feb. 04, 2014
Applicants:

Neil W. Longfellow, Boulder, CO (US);

David A. Green, Highlands Ranch, CO (US);

Robert E. Bender, Evergreen, CO (US);

Inventors:

Neil W. Longfellow, Boulder, CO (US);

David A. Green, Highlands Ranch, CO (US);

Robert E. Bender, Evergreen, CO (US);

Assignee:

Well Master Corp, Golden, CO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01); E21B 43/12 (2006.01); E21B 47/01 (2012.01); F04B 47/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/121 (2013.01); E21B 47/01 (2013.01); F04B 47/12 (2013.01);
Abstract

A plunger assembly arranged to minimize uneven wear spots thereon during the plunger assembly's horizontal and vertical travel within a hydrocarbon producing well conduit. The plunger assembly comprises an elongated central mandrel having a bore extending longitudinally therethrough for transmitting gaseous fluids from a well, through the plunger assembly, a pair of longitudinally spaced-apart sets of arcuately shaped wear pads guidably supported on outer portions of the elongated central mandrel, and at least one tangentially directed nozzle arranged to direct gaseous fluids from the bore of the elongated central mandrel against an inner side of at least one of the arcuately shaped wear pads arranged on the outer portions of the elongated central mandrel.


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