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Class Information
Number: 114/49
Name: Ships > Vessel raising and docking > Camels, caissons, and pontoons
Description: Devices between which a vessel is raised by their buoyant action, the structures not being designed to be sunk (see search notes, below).

Patents under this class:

Patent Number Title Of Patent Date Issued
7762744 Method and vessel for removing offshore structures Jul. 27, 2010
7421963 Watercraft dry storage and storage method Sep. 9, 2008
7168380 Boat lift systems Jan. 30, 2007
7096809 Watercraft dry storage and storage method Aug. 29, 2006
6848380 Floatable vessel lift Feb. 1, 2005
5131342 Shallowdraft floating boatlift Jul. 21, 1992
5002000 Automatic leveler for boat lifts Mar. 26, 1991
4876979 Apparatus for deploying and recovering a seaborne vessel Oct. 31, 1989
4622912 Draft reduction system for ships Nov. 18, 1986
4495880 Draft assisted delivery system Jan. 29, 1985
4493284 Pontoon for floating bridges and ferries Jan. 15, 1985
4479450 Floating dock Oct. 30, 1984
4473321 Method of launching a large floatable object from a dock to water and delaunching it Sep. 25, 1984
4104425 Power cell driven by a gaseous or liquid pressure medium Aug. 1, 1978
4075965 System for rendering a moored hull self-bailing Feb. 28, 1978

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