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:
Dec. 01, 2020
Filed:
May. 01, 2018
Applicant:
Vermeer Manufacturing Company, Pella, IA (US);
Inventors:
Michael D. Langenfeld, Pella, IA (US);
Jacob Richard Smith, Altoona, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/046 (2006.01); E21B 7/02 (2006.01); E21B 3/00 (2006.01); E21B 17/18 (2006.01); E21B 7/04 (2006.01); E21B 7/06 (2006.01); E21B 17/07 (2006.01); E21B 19/16 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 3/00 (2013.01); E21B 7/02 (2013.01); E21B 7/046 (2013.01); E21B 7/062 (2013.01); E21B 17/02 (2013.01); E21B 17/046 (2013.01); E21B 17/07 (2013.01); E21B 17/18 (2013.01); E21B 19/16 (2013.01);
Abstract
A coupler includes a main body that has an inner bore. The inner bore has a non-circular profile and a longitudinal axis. The coupler includes a cross aperture disposed in the main body. The cross aperture has an axis that is nonintersecting with the longitudinal axis of the main body. The coupler also includes a sleeve that is positioned around an exterior surface of the main body. The sleeve has at least one drilling fluid flow passage.