| 1/00 | 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 E02B 7/2) |
| 1/02 | 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 E02B 7/2) with auxiliary basins |
| 1/04 | 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 E02B 7/2) with floating troughs |
| 1/06 | 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 E02B 7/2) Devices for filling or emptying locks (in lock gates E02B 7/2) |
| 1/08 | 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 E02B 7/2) Arrangements for dissipating the energy of the water (carried by lock gates E02B 8/06) |
| 1/10 | 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 E02B 7/2) Equipment for use in connection with the navigation of ships in locks; Mooring equipment (tying-up, anchoring waterborne vessels B63B 21/00; equipment for shipping on coasts, in harbours or on other fixed marine structures E02B 3/2) |
| 3/00 | Inclined-plane ship-lifting mechanisms |
| 5/00 | Mechanisms for lifting ships vertically (salvaging sunken vessels B63C 7/00) |
| 5/02 | Mechanisms for lifting ships vertically (salvaging sunken vessels B63C 7/00) with floating chambers |