CPC Main Group
E03D 1/00 Water flushing devices with cisterns
7 direct subcodes
Child Classifications
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- E03D 1/01 Shape or selection of material for flushing cisterns
- E03D 1/02 High-level flushing systems
- E03D 1/24 Low-level flushing systems
- E03D 1/30 Valves for high or low level cisterns; Their arrangement (inlet valves, valves in general F16K )
- E03D 1/38 Adaptations or arrangements of flushing pipes (noise-absorbing means in pipe systems F16L55/00 )
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