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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:

Class Number Class Name Patents
114/48 Elevators 72
114/47 End gates 5
114/46 Sectional 11


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8627778 Elevated dock Jan. 14, 2014
8256366 Small watercraft boatlift Sep. 4, 2012
8221028 Boat lift operated by boat's propulsive force Jul. 17, 2012
8155812 Floating dock deflection management systems Apr. 10, 2012
7966958 Pontoon lift mechanism Jun. 28, 2011
7921604 Storm proof aluma-foam housing unit Apr. 12, 2011
7823523 Portable dry dock system and method for commercial servicing of recreational vessels in inland waterways Nov. 2, 2010
7527014 Self-adjusting watercraft canopy May. 5, 2009
7509916 Floating dock with integrated boat lift Mar. 31, 2009
7503274 Floating lift for watercraft Mar. 17, 2009
7500439 Method and apparatus Mar. 10, 2009
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
6752096 Unitary plastic boat lift buoyancy tank Jun. 22, 2004
6752097 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

1 2 3










 
 
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