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

Devices for vertical ship travel between two stretches of water.

References relevant to classification in this group
This group does not cover:

Salvaging sunken vessels

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013