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Class Information
Number: 114/50
Name: Ships > Vessel raising and docking > Submerged
Description: Devices for raising sunken vessels; also means for forcing air into a vessel and expelling the water after sealing up openings.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6857821 |
Device for lifting a seagoing construction such as a drilling rig, provided with lifting members running mutually parallel |
Feb. 22, 2005 |
| 6843191 |
Device and method for raising sunken objects |
Jan. 18, 2005 |
| 5795103 |
Oil tanker and method for recovering oil from submerged oil tanker |
Aug. 18, 1998 |
| 5775390 |
Apparatus for extraction of a fluent material from a container |
Jul. 7, 1998 |
| 5516235 |
Method and apparatus of raising objects from the sea bed |
May. 14, 1996 |
| 5351637 |
Inflatable sailboard |
Oct. 4, 1994 |
| 5235932 |
Submersible dock and dump mechanism |
Aug. 17, 1993 |
| 5120099 |
Submersible grappling device |
Jun. 9, 1992 |
| 5031555 |
Neutral buoyancy device |
Jul. 16, 1991 |
| 4979451 |
Under water air lift utility bag |
Dec. 25, 1990 |
| 4690087 |
System and method for raising sunken vessels |
Sep. 1, 1987 |
| 4686920 |
Cradle type boat lifts |
Aug. 18, 1987 |
| 4658745 |
Collapsible salvage drum and method |
Apr. 21, 1987 |
| 4338874 |
Inert gas supply and salvage system for oil tankers |
Jul. 13, 1982 |
| 4284110 |
Apparatus for transfer of fluent materials from one container to another |
Aug. 18, 1981 |
| 4154185 |
Submersible apparatus for evacuating seawater from suction-type work-handling gripper members |
May. 15, 1979 |
| 4030309 |
Work arm system for submergible chamber |
Jun. 21, 1977 |
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