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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup
E03D 3/06

with diaphragm valve and pressure chamber for retarding the valve-closing movement

Full Title

Flushing devices operated by pressure of the water supply system > Self-closing flushing valves (self-closing valves in general F16K21/04) > with diaphragm valve and pressure chamber for retarding the valve-closing movement

Top Applicants

Top 10 applicants by patent filingsfor class E03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NEOPERL DE 934
  2. GROHE DE 870
  3. TOTO 646
  4. GEBERIT INTERNATIONAL CH 629
  5. KOHLER COMPANY US 621
  6. TOTO JP 590
  7. LIXIL CORPORATION JP 429
  8. AS AMERICA US 324
  9. HANSGROHE SE DE 314
  10. LIXIL CORPORATION 307