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:
Apr. 07, 2020
Filed:
Mar. 16, 2016
Applicant:
National Oilwell Varco Norway As, Kristiansand S, NO;
Inventors:
Yngvar Borøy, Søgne, NO;
Ricardo Correia, Kristiansand S, NO;
Hugo Lacerda, Kristiansand, NO;
Thor Strand, Kristiansand, NO;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/52 (2006.01); B63B 27/08 (2006.01); B63B 27/10 (2006.01); B63B 27/30 (2006.01); B66C 13/10 (2006.01); B66D 1/36 (2006.01); B66C 23/68 (2006.01);
U.S. Cl.
CPC ...
B66C 23/52 (2013.01); B63B 27/08 (2013.01); B63B 27/10 (2013.01); B63B 27/30 (2013.01); B66C 13/10 (2013.01); B66D 1/36 (2013.01); B66C 23/68 (2013.01);
Abstract
Described is an offshore lifting crane, as for a vessel or platform, that includes a support structure, a crane boom connected to the support structure, a winch drum rotatable around its longitudinal axis, a winch drum drive means, and an elongated hoisting member. The hoisting member includes a first end connected to the winch drum and a second end connectable to a load. The hoisting member extends over at least a part of the crane boom, and the winch drum is arranged such that its longitudinal axis is substantially vertical.