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:
Dec. 09, 1980
Filed:
May. 09, 1979
Applicant:
Inventor:
Jerzy Doerffer, Polska, PL;
Assignee:
Politechnika Gdanska, Gdansk, PL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
114170 ; 1141 / ;
Abstract
This invention relates to stern braking device in a form of a shield, which is characterised by placing the shield behind the propeller and the rudder, which at top part has a concave cross section on both sides of plane of symmetry and a hydraulic stabilizer and is hingewise connected at the top, to a lifting gear capable of sliding up and down, whereas the bottom of the shield is connected hingewise to the ship's hull.