CPC Subgroup
E03D 1/02 High-level flushing systems
Full Title
Water flushing devices with cisterns > High-level flushing systems
8 direct subcodes
Child Classifications
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- E03D 1/04 Cisterns with bell siphons
- E03D 1/06 Cisterns with tube siphons
- E03D 1/14 Cisterns discharging variable quantities of water (twin or multiple flushing cisterns E03D1/22; flushing devices operated by pressure of the water supply system and discharging variable quantities of water E03D3/12 )
- E03D 1/16 Cisterns for periodical discharge
- E03D 1/18 Cisterns empty when not in action
- E03D 1/20 Cisterns with tiltably-mounted containers
- E03D 1/22 Twin or multiple flushing cisterns
Top Applicants
Top 10 applicants by patent filingsfor class E03, 2013–2023, worldwide · Source: EPO PATSTAT
- NEOPERL DE 934
- GROHE DE 870
- TOTO 646
- GEBERIT INTERNATIONAL CH 629
- KOHLER COMPANY US 621
- TOTO JP 590
- LIXIL CORPORATION JP 429
- AS AMERICA US 324
- HANSGROHE SE DE 314
- LIXIL CORPORATION 307