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:
Jul. 17, 2007
Filed:
Nov. 11, 2003
Applicant:
Magne Mathias Moe, Harstad, NO;
Inventor:
Magne Mathias Moe, Harstad, NO;
Assignee:
National Oilwell Norway AS, , NO;
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/14 (2006.01); F15B 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for a single-acting hydraulic cylinder () designed to lift or pull a load upon the existence of an oil pressure on the rod-side of a cylinder piston (), where the cylinder bottom () of the hydraulic cylinder () is provided with a drainage outlet () for leakage fluid, as well as an air inlet ().