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SHIP-LIFTING DEVICES OR MECHANISMS
Definition statement
This subclass/group covers:

Devices enabling ships or boats to travel between two stretches of water at different levels.

References relevant to classification in this subclass
This subclass/group does not cover:
Dry docking of ships
Floating docks
Devices for lifting boats out of the water
Salvaging sunken vessels
Lock gates
Informative references
Attention is drawn to the following places, which may be of interest for search:
Anchoring waterborne vessels
Energy dissipating devices on lock gates
Locks { or dry-docks} ; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass (lock gates E02B 7/20 { dry-dock equipment; naval construction aspects B63C 1/00; flating docks B63C 1/02} )
Definition statement
This subclass/group covers:

Devices enclosing a ship and enabling a water level change in the enclosed area thereby raising or lowering the ship.

References relevant to classification in this group
This subclass/group does not cover:
Naval construction aspects
Floating docks
Lock or dry-dock gates
Informative references
Attention is drawn to the following places, which may be of interest for search:
Mooring equipment for waterborne vessels
Equipment for shipping on fixed marine structures
Devices for energy dissipation on lock gates
Inclined-plane ship-lifting mechanisms {Systems for conveying barges or lighters over land, e.g. by railway}
Definition statement
This subclass/group covers:

Devices for at least partially horizontal ship travel; Devices for transporting flat-bottomed vessels over land.

Mechanisms for lifting ships vertically (salvaging sunken vessels B63C 7/00)
Definition statement
This subclass/group covers:

Devices for vertical ship travel between two stretches of water.

References relevant to classification in this group
This subclass/group does not cover:
Salvaging sunken vessels
This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013