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:
Feb. 12, 2019
Filed:
Dec. 20, 2017
Baker Hughes Incorporated, Houston, TX (US);
Christoph Wesemeier, Hannover, DE;
Thomas Uhlenberg, Niedersachsen, DE;
Sabine Grieschek, Nienhagen, DE;
Baker Hughes Incorporated, Houston, TX (US);
Abstract
Core sample catchers for use with coring tools for obtaining core samples from subterranean formations may include at least one flap catcher member configured to be movably coupled to an inner barrel of the coring tool and configured to move between an open position and a closed position. A piston member including a central bore may be disposed in a passageway extending through the inner barrel. The piston member may be configured to move between a first position and a second position, the piston member configured to retain the at least one flap catcher member in the open position when the piston member is in the first position, and allow flap catcher member to move into the closed position when the piston member is in the second position.