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. 07, 2018
Filed:
Sep. 22, 2016
Applicant:
Premium Oilfield Technologies, Llc, Houston, TX (US);
Inventor:
Douglas Jahnke, Houston, TX (US);
Assignee:
PREMIUM OILFIELD TECHNOLOGIES, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 53/16 (2006.01);
U.S. Cl.
CPC ...
F04B 53/168 (2013.01);
Abstract
The present invention provides a quick change system and method for a cylindrical liner retainer assembly that includes a locking sleeve and lock dogs to release quickly an existing cylinder liner in the assembly and install a replacement cylinder liner in the assembly.