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. 27, 2020
Filed:
May. 23, 2017
Applicant:
Altus Intervention (Technologies) As, Stavanger, NO;
Inventor:
Darrell S. Sonne, Katy, TX (US);
Assignee:
Altus Intervention (Technologies) AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
H02H 9/045 (2013.01); E21B 17/003 (2013.01); H02H 9/041 (2013.01);
Abstract
The invention relates to an overvoltage protection circuit, particularly in system where the load is remote from a regulated power supply and relates to an electric power supply system comprising such overvoltage protection circuit. The invention further relates to a downhole tractor comprising such overvoltage protection circuit, and to a tethered subsea vehicle comprising the overvoltage protection circuit.