E03D 11/02 Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Water-closet bowls
CPC: Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 )
Full Title
Full titles differ between systems:
Other component parts of water-closets > Water-closet bowls
Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 )
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- E03D 11/10 Bowls with closure elements provided between bottom or outlet and the outlet pipe; Bowls with pivotally supported inserts IPC+CPC Available in IPC and CPC
- E03D 11/11 Bowls combined with a reservoir, e.g. containing apparatus for disinfecting or for disintegrating IPC+CPC Available in IPC and CPC
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