CPC Subgroup
E03B 7/04 Domestic or like local pipe systems (domestic plumbing E03C1/02)
Full Title
Water main or service pipe systems (pipes or tubes in general F16L) > Domestic or like local pipe systems (domestic plumbing E03C1/02)
1 direct subcode
Child Classifications
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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