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DIFF Subgroup
E03C 1/046

Adding soap, disinfectant, or the like in the supply line (preventing contamination of drinking-water pipes E03C1/10)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Adding soap, disinfectant, or the like, in the supply line

CPC: Adding soap, disinfectant, or the like in the supply line (preventing contamination of drinking-water pipes E03C1/10)

Full Title

Full titles differ between systems:

IPC:

Domestic plumbing installations for fresh water or waste water; Sinks > Plumbing installations for fresh water > Water-basin installations specially adapted to wash-basins or baths > Adding soap, disinfectant, or the like, in the supply line

CPC:

Domestic plumbing installations for fresh water or waste water; Sinks > Plumbing installations for fresh water > Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) > Adding soap, disinfectant, or the like in the supply line (preventing contamination of drinking-water pipes E03C1/10)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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