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. 08, 2023
Filed:
Nov. 05, 2020
Applicant:
Fnv Ip B.v., Leidschendam, NL;
Inventors:
Peter David Richards, Leidschendam, NL;
James Alexander Amos, Leidschendam, NL;
Assignee:
FNV IP B.V., Leidschendam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 7/124 (2006.01);
U.S. Cl.
CPC ...
E21B 7/122 (2013.01); E21B 7/124 (2013.01);
Abstract
A subsea vertical drilling machine is disclosed, having: The riser pipe is provided with at least one rack extending along at least a part of the length of the riser pipe, and the vertical feed system comprises a motor coupled to a pinion, the pinion arranged for engaging with the rack for advancing the drill assembly.