CPC Main Group Additional Only
E03D 2201/00 Details and methods of use for water closets and urinals not otherwise provided for
3 direct subcodes
Child Classifications
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- E03D 2201/20 Noise reduction features
- E03D 2201/30 Water injection in siphon for enhancing flushing
- E03D 2201/40 Devices for distribution of flush water inside the bowl
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