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CPC Main Group
E03B 3/00

Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F)

8 direct subcodes

Child Classifications

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  • E03B 3/04 from surface water
  • E03B 3/28 from humid air (condensing of vapours in general B01D5/00; dehumidification of air for air-conditioning F24F3/14)
  • E03B 3/30 from snow or ice
  • E03B 3/38 Curbs for springs
  • E03B 3/40 Other devices for confining, e.g. trenches, drainage

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