Locks; 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 E 02 B 7/20)
1
/
02
•
with auxiliary basins
1
/
04
•
with floating troughs
1
/
06
•
Devices for filling or emptying locks (in lock gates E 02 B 7/20)
1
/
08
•
Arrangements for dissipating the energy of the water (carried by lock gates E 02 B 8/06)
1
/
10
•
Equipment for use in connection with the navigation of ships in locks; Mooring equipment (tying-up, anchoring waterborne vessels B 63 B 21/00; equipment for shipping on coasts, in harbours or on other fixed marine structures E 02 B 3/20)
3
/
00
Inclined-plane ship-lifting mechanisms
5
/
00
Mechanisms for lifting ships vertically (salvaging sunken vessels B 63 C 7/00)