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:
Dec. 17, 2013

Filed:

Sep. 14, 2010
Applicants:

Jesse L. Smith, Kingfisher, OK (US);

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

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

Inventors:

Jesse L. Smith, Kingfisher, OK (US);

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

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

Assignee:

Well Master Corp, Golden, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An elongated plunger arrangement for moving up and down in a tubing string and a plunger lift system for an oil well and a gas well, the plunger having an upper portion, an intermediate portion and a lower portion, all of the portions having an elongated longitudinally directed bore or cavity therewithin, the plunger also having a direction accelerating arrangement therewithin, the direction accelerating arrangement comprising an elongated acceleration inducing valve containing shift rod extending through the elongated bore, wherein the shift rod is longer than the elongated plunger.


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