IPC Subgroup
E03D 9/02 Devices adding a disinfecting, deodorising or cleaning agent to the water while flushing, or in the flushing tank
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
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- WATER SUPPLY; SEWERAGE
- Subclass:
- WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
Related Keywords
DEODORISING of lavatoriesDISINFECTING of lavatories
1 direct subcode
Child Classifications
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- 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
Top Applicants
Top 10 applicants by patent filingsfor class E03, 2013–2023, worldwide · Source: EPO PATSTAT
- TOTO 2,957
- LIXIL CORPORATION 1,646
- XIAMEN RT PLUMBING TECHNOLOGY COMPANY 925
- NEOPERL DE 870
- GROHE DE 828
- PANASONIC INTELLECTUAL PROPERTY 738
- WUHAN SHENGYU DRAINAGE SYSTEMS COMPANY 727
- GEBERIT INTERNATIONAL CH 613
- KOHLER COMPANY US 570
- TOTO JP 549