IPC 2013 : E02C 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 7/20).

IPC2013 > E > E02 > E02C > E02C 1/00[m] > 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 7/20).
Notes[t] E01 - E06: BUILDING
E02C 1/02 · with auxiliary basins.
E02C 1/04 · with floating troughs.
E02C 1/06 · Devices for filling or emptying locks (in lock gates E02B 7/20).
E02C 1/08 · Arrangements for dissipating the energy of the water (carried by lock gates E02B 8/06).
E02C 1/10 · 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 3/20).