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IPC Subgroup
E03D 9/03

consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction

Introduced: September 1968

Last revised: January 2006

Full Title

Sanitary or other accessories for lavatories > Devices adding a disinfecting, deodorising or cleaning agent to the water while flushing, or in the flushing tank > consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
WATER SUPPLY; SEWERAGE
Subclass:
WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR

Top Applicants

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

  1. TOTO 2,957
  2. LIXIL CORPORATION 1,646
  3. XIAMEN RT PLUMBING TECHNOLOGY COMPANY 925
  4. NEOPERL DE 870
  5. GROHE DE 828
  6. PANASONIC INTELLECTUAL PROPERTY 738
  7. WUHAN SHENGYU DRAINAGE SYSTEMS COMPANY 727
  8. GEBERIT INTERNATIONAL CH 613
  9. KOHLER COMPANY US 570
  10. TOTO JP 549