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:
May. 31, 2016

Filed:

Oct. 10, 2012
Applicant:

Safoco, Inc., Houston, TX (US);

Inventor:

Terry Glenn Young, Longview, TX (US);

Assignee:

Safoco, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/44 (2006.01); F15B 15/14 (2006.01); F16J 10/04 (2006.01); F15B 21/00 (2006.01); F16K 31/122 (2006.01); F16K 3/02 (2006.01); F15B 15/02 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1452 (2013.01); F15B 15/1428 (2013.01); F15B 15/1447 (2013.01); F15B 21/003 (2013.01); F16J 10/04 (2013.01); F16K 3/0254 (2013.01); F16K 31/122 (2013.01); F15B 15/02 (2013.01); F15B 2211/7052 (2013.01); F15B 2211/76 (2013.01); Y10T 29/49249 (2015.01);
Abstract

Disclosed herein are new types of hydraulic piston valve actuators wherein the piston is replaceable with different sized pistons. Further disclosed are parts of the piston interchange system resulting in the fewest number of parts changed between one piston diameter and another piston diameter. Methods of changing from one piston diameter to another piston diameter are also disclosed.


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