CPC Subgroup
E03F 7/02 Shut-off devices (in general F16K)
Full Title
Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools > Shut-off devices (in general F16K)
1 direct subcode
Child Classifications
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- E03F 7/04 Valves for preventing return flow
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