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:
Jun. 22, 2021
Filed:
Sep. 21, 2018
Applicant:
Larry Palmer, Spring, TX (US);
Inventor:
Larry Palmer, Spring, TX (US);
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 21/10 (2006.01); E21B 4/02 (2006.01); E21B 34/10 (2006.01); E21B 34/14 (2006.01); E21B 21/08 (2006.01);
U.S. Cl.
CPC ...
E21B 21/103 (2013.01); E21B 4/02 (2013.01); E21B 21/08 (2013.01); E21B 34/10 (2013.01); E21B 34/14 (2013.01); E21B 2200/06 (2020.05);
Abstract
A mud motor stall protector including a housing, a piston translationally disposed in the housing, the piston defining a flow passage therein, and a pin positioned relative to the housing to occupy a portion of the flow passage of the piston or leave the flow passage of the piston open depending upon position of the piston relative to the pin.