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. 11, 2016
Filed:
Dec. 27, 2012
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventor:
John Hey, Spring, TX (US);
Assignee:
National Oilwell Varco, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/53 (2006.01); B66C 13/18 (2006.01); B66C 23/88 (2006.01); B66C 23/52 (2006.01); B66C 23/00 (2006.01);
U.S. Cl.
CPC ...
B66C 23/53 (2013.01); B66C 13/18 (2013.01); B66C 23/52 (2013.01); B66C 23/54 (2013.01); B66C 23/88 (2013.01);
Abstract
A crane including an inner boom, an outer boom, a plurality of guide assemblies arranged along the length of the inner and outer boom and adapted for guiding a plurality of lines, and a multi-line material handling system including a first line having an outgoing portion extending to a sheave block, and an incoming portion returning from the sheave block to a supported anchor device, and a second line having an outgoing portion extending to the sheave block, and an incoming portion returning from the sheave block to the supported anchor device.