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:
Oct. 17, 2017
Filed:
Jun. 29, 2015
Applicant:
Epic Lift Systems Llc, Fort Worth, TX (US);
Inventors:
James Allen Jefferies, Granbury, TX (US);
Schuyler Kuykendall, Granbury, TX (US);
Assignee:
EPIC LIFT SYSTEMS LLC, Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
E21B 43/123 (2013.01); E21B 34/14 (2013.01); E21B 43/12 (2013.01); E21B 43/121 (2013.01);
Abstract
An improved bypass valve assembly for a plunger lift apparatus comprises a bypass valve cage having improved flow characteristics and a simplified clutch assembly having enhanced durability and low cost.