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:
Aug. 14, 2018
Filed:
Jul. 10, 2015
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventors:
Reece William Kaybidge, Sprucegrove, CA;
Li Liu, Edmonton, CA;
Assignee:
National Oilwell Varco, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/20 (2006.01); F16H 55/50 (2006.01); F16H 57/01 (2012.01);
U.S. Cl.
CPC ...
F16H 55/50 (2013.01); F16H 57/01 (2013.01);
Abstract
A sheave may include a body portion with a circular circumference and defining a center plane, a bore extending through the body portion and configured for receiving a shaft and allowing the body portion to rotate in the center plane, and a rope groove arranged on the circular circumference, wherein, the body portion comprises a structured profile.