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Class Information
Number: 114/45
Name: Ships > Vessel raising and docking > Floating dry docks
Description: Means for raising vessels by use of semi-submergible docks, nearly all of which are floating vessels and constructed to receive the vessel upon its bottom or upon a platform or equivalent way, the dock being raised by changing the line of flotation through buoyancy by ejecting or pumping water from the water-tanks or by changing ballast.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7421963 |
Watercraft dry storage and storage method |
Sep. 9, 2008 |
| 7325503 |
Watercraft lift |
Feb. 5, 2008 |
| 7143868 |
Underdeck pontoon lift system |
Dec. 5, 2006 |
| 7096809 |
Watercraft dry storage and storage method |
Aug. 29, 2006 |
| 6955135 |
Self-contained drive-on boat docking apparatus, method and kit for creating such apparatus |
Oct. 18, 2005 |
| 6926468 |
Portable flotation platform for shallow bodies of water |
Aug. 9, 2005 |
| 6923133 |
Boatlift buoyancy system |
Aug. 2, 2005 |
| 6857821 |
Device for lifting a seagoing construction such as a drilling rig, provided with lifting members running mutually parallel |
Feb. 22, 2005 |
| 6834604 |
Transporting a ship over shallows of a watercourse |
Dec. 28, 2004 |
| 6823809 |
Floating watercraft lift apparatus and method |
Nov. 30, 2004 |
| 6783304 |
Weather resistant dock walkway |
Aug. 31, 2004 |
| 6769839 |
Stern-on mooring boat lift |
Aug. 3, 2004 |
| 6752097 |
Unitary plastic boat lift buoyancy tank |
Jun. 22, 2004 |
| 6752096 |
Unitary plastic boat lift buoyancy tank |
Jun. 22, 2004 |
| 6682804 |
Fender protective structure |
Jan. 27, 2004 |
| 6648554 |
Portable flotation platform for shallow bodies of water |
Nov. 18, 2003 |
| 6547485 |
Stern-on mooring boat lift |
Apr. 15, 2003 |
| 6543375 |
Solar powered boat lift |
Apr. 8, 2003 |
| 6422167 |
Apparatus and method for elevating a watercraft out of a body of water |
Jul. 23, 2002 |
| 6257159 |
Apparatus for raising and lowering boats in water |
Jul. 10, 2001 |
| 6155190 |
Air cushion dry dock transport system |
Dec. 5, 2000 |
| 6076478 |
Apparatus for raising and lowering boats |
Jun. 20, 2000 |
| 6050207 |
Description and operation of a flood control device for most any object |
Apr. 18, 2000 |
| 6047658 |
Boat protection and storage device |
Apr. 11, 2000 |
| 6032601 |
Combination boat lift and dock |
Mar. 7, 2000 |
| 6006687 |
Modular floating boat lift |
Dec. 28, 1999 |
| 5979349 |
Boat lift method |
Nov. 9, 1999 |
| 5947049 |
Buoyant walkway module for a boatlift |
Sep. 7, 1999 |
| 5927222 |
Drydock pollution control system and process |
Jul. 27, 1999 |
| 5913278 |
Floating dock |
Jun. 22, 1999 |
| 5860379 |
Inflatable floating boat lift |
Jan. 19, 1999 |
| 5826528 |
Floating boat lift with retracting walkway |
Oct. 27, 1998 |
| 5664513 |
Floating dry dock |
Sep. 9, 1997 |
| 5651326 |
Device for protecting the hull of a water vehicle |
Jul. 29, 1997 |
| 5551366 |
Seaplane docking facility and telescoping hangar |
Sep. 3, 1996 |
| 5465676 |
Barnacle shield |
Nov. 14, 1995 |
| 5445093 |
Unloading facility for flexible water transporting barges |
Aug. 29, 1995 |
| 5394814 |
Front mounted boat lift |
Mar. 7, 1995 |
| RE34793 |
Lift for water vehicles |
Nov. 22, 1994 |
| 5285743 |
Dry dock |
Feb. 15, 1994 |
| 5269246 |
Vessel hull construction and method |
Dec. 14, 1993 |
| 5215024 |
Vessel-capturing berthing facility incorporating relative motion-mitigating apparatus |
Jun. 1, 1993 |
| 5140922 |
Lift for a watercraft |
Aug. 25, 1992 |
| 5138963 |
Boat enclosure assembly for boat maintenance |
Aug. 18, 1992 |
| 5131109 |
Pontoon bridge with automatic height adjusting and locking systems |
Jul. 21, 1992 |
| 5131342 |
Shallowdraft floating boatlift |
Jul. 21, 1992 |
| 5099778 |
Craft lift |
Mar. 31, 1992 |
| 5095840 |
Fender protective structures |
Mar. 17, 1992 |
| 5090841 |
Boat lift |
Feb. 25, 1992 |
| 5078071 |
Floating dock capable of varying width |
Jan. 7, 1992 |
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