Overflow devices for basins or baths (E03C1/232 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Overflow devices for basins or baths

CPC: Overflow devices for basins or baths (E03C1/232 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Domestic plumbing installations for fresh water or waste water; Sinks > Plumbing installations for waste water; Basins or fountains connected thereto; Sinks > Overflow devices for basins or baths

CPC:

Domestic plumbing installations for fresh water or waste water; Sinks > Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F5/04); Sinks > Overflow devices for basins or baths (E03C1/232 takes precedence)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

Child Classifications

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E03C 1/242 automatically actuating supply or draining valves IPC+CPC Available in IPC and CPC
E03C 1/244 Separate devices to be placed on the outlet opening IPC+CPC Available in IPC and CPC
E03C 2001/2406 2nd only CPC only CPC only
E03C 2001/2413 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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