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. 06, 2020
Filed:
Oct. 06, 2017
Applicant:
Michael Hair, Tulsa, OK (US);
Inventor:
Michael Hair, Tulsa, OK (US);
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); F16K 1/12 (2006.01); F16K 1/18 (2006.01);
U.S. Cl.
CPC ...
E21B 34/06 (2013.01); F16K 1/123 (2013.01); F16K 1/18 (2013.01); E21B 2200/05 (2020.05);
Abstract
A flapper valve system including a valve body having a valve seat, and a flapper base connected to the valve body. The flapper base supports a flapper selectively positionable on the valve seat. A flapper sleeve includes a first end arranged adjacent the flapper base, a second end, and an intermediate portion having an opening receptive of the flapper. The first end includes a flow tube travel limiter.