| 1/00 | Water flushing devices with cisterns |
| 1/01 | Water flushing devices with cisterns Shape or selection of material for flushing cisterns |
| 1/012 | Water flushing devices with cisterns Shape or selection of material for flushing cisterns Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators |
| 1/02 | Water flushing devices with cisterns High-level flushing systems |
| 1/04 | Water flushing devices with cisterns High-level flushing systems Cisterns with bell siphons |
| 1/05 | Water flushing devices with cisterns High-level flushing systems Cisterns with bell siphons with movable siphon bells |
| 1/06 | Water flushing devices with cisterns High-level flushing systems Cisterns with tube siphons |
| 1/07 | Water flushing devices with cisterns High-level flushing systems Cisterns with tube siphons with movable or deformable siphon tubes |
| 1/08 | Water flushing devices with cisterns High-level flushing systems Cisterns with tube siphons Siphon action initiated by air or water pressure |
| 1/10 | Water flushing devices with cisterns High-level flushing systems Cisterns with tube siphons Siphon action initiated by raising the water level in the cistern, e.g. by means of displacement members |
| 1/12 | Water flushing devices with cisterns High-level flushing systems Cisterns with tube siphons Siphon action initiated by outlet of air |
| 1/14 | Water flushing devices with cisterns High-level flushing systems Cisterns discharging variable quantities of water (twin or multiple flushing cisterns E03D 1/22; flushing devices operated by pressure of the water supply system and discharging variable quantities of water E03D 3/12) |
| 1/16 | Water flushing devices with cisterns High-level flushing systems Cisterns for periodical discharge |
| 1/18 | Water flushing devices with cisterns High-level flushing systems Cisterns empty when not in action |
| 1/20 | Water flushing devices with cisterns High-level flushing systems Cisterns with tiltably-mounted containers |
| 1/22 | Water flushing devices with cisterns High-level flushing systems Twin or multiple flushing cisterns |
| 1/24 | Water flushing devices with cisterns Low-level flushing systems |
| 1/26 | Water flushing devices with cisterns Low-level flushing systems Bowl with flushing cistern mounted on the rearwardly extending end of the bowl (shape or material of the cistern E03D 1/01; constructional features of the bowl E03D 11/02-E03D 11/12) |
| 1/28 | Water flushing devices with cisterns Low-level flushing systems Bowl integral with the flushing cistern |
| 1/30 | Water flushing devices with cisterns Valves for high or low cisterns; Their arrangement (inlet valves, valves in general F16K) |