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Class Information
Number: 114/54
Name: Ships > Vessel raising and docking > Submerged > Air tanks > Inflatable bags
Description: Bags or receptacles for containing air adapted to be attached or secured to or in sunken vessels when empty and by inflation raise the same by buoyancy.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7250568 |
Underwater vehicle deceleration and positive buoyancy assembly |
Jul. 31, 2007 |
| 6598550 |
Emergency buoyancy system for a vessel |
Jul. 29, 2003 |
| 6409431 |
Submersible floating dock |
Jun. 25, 2002 |
| 6269761 |
Buoyancy device |
Aug. 7, 2001 |
| 5860379 |
Inflatable floating boat lift |
Jan. 19, 1999 |
| 5666898 |
Equipment for raising sunken vessels |
Sep. 16, 1997 |
| 5341756 |
Storage means for watercraft |
Aug. 30, 1994 |
| 5286462 |
Gas generator system for underwater buoyancy |
Feb. 15, 1994 |
| 5257952 |
Deployment system for secondary propulsor unit |
Nov. 2, 1993 |
| 5094181 |
Emergency float system for water craft |
Mar. 10, 1992 |
| 5007364 |
Gas control valves and apparatus for controlling buoyancy in water |
Apr. 16, 1991 |
| 4979451 |
Under water air lift utility bag |
Dec. 25, 1990 |
| 4674429 |
Underwater buoyancy apparatus |
Jun. 23, 1987 |
| 4658745 |
Collapsible salvage drum and method |
Apr. 21, 1987 |
| 4510878 |
Volume-adjustable divers lift bag |
Apr. 16, 1985 |
| 4506623 |
Non-rigid buoyant marine storage vessels for fluids |
Mar. 26, 1985 |
| 4498408 |
Lifting body for diving |
Feb. 12, 1985 |
| 4495880 |
Draft assisted delivery system |
Jan. 29, 1985 |
| 4433633 |
Controlled gas generator system |
Feb. 28, 1984 |
| 4271552 |
Torpedo floatation device |
Jun. 9, 1981 |
| 4199006 |
Pneumatic valve |
Apr. 22, 1980 |
| 4104425 |
Power cell driven by a gaseous or liquid pressure medium |
Aug. 1, 1978 |
| 4092756 |
Diver's buoyant caddy |
Jun. 6, 1978 |
| 4078509 |
Salvage apparatus and method |
Mar. 14, 1978 |
| 3940814 |
Portable salvage lift |
Mar. 2, 1976 |
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