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DIFF Main Group
E03D 9/00

Sanitary or other accessories for lavatories (hand tools for cleaning the toilet bowl A47K11/10; seats or covers for closets A47K13/00; body supports, other than seats for closets A47K17/02; devices for preventing contamination of drinking-water pipes E03C1/10 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Sanitary or other accessories for lavatories

CPC: Sanitary or other accessories for lavatories (hand tools for cleaning the toilet bowl A47K11/10; seats or covers for closets A47K13/00; body supports, other than seats for closets A47K17/02; devices for preventing contamination of drinking-water pipes E03C1/10 )

Full Title

Full titles differ between systems:

IPC:

Sanitary or other accessories for lavatories

CPC:

Sanitary or other accessories for lavatories (hand tools for cleaning the toilet bowl A47K11/10; seats or covers for closets A47K13/00; body supports, other than seats for closets A47K17/02; devices for preventing contamination of drinking-water pipes E03C1/10 )

Of 11 combined children, 8 exist in both systems.

3 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E03D 9/002 CPC only CPC only
  • E03D 9/005 CPC only CPC only
  • E03D 9/007 CPC only CPC only
  • E03D 9/06 Auxiliary chambers with water connection to the flushing pipe and adapted to receive utensils for bowl-cleaning, e.g. brushes IPC+CPC Available in IPC and CPC
  • E03D 9/10 Waste-disintegrating apparatus combined with the bowl IPC+CPC Available in IPC and CPC
  • E03D 9/12 Means to prevent freezing of lavatories IPC+CPC Available in IPC and CPC
  • E03D 9/14 Noise-reducing means combined with flushing valves (noise-absorbing means in pipe systems F16L55/00 ) IPC+CPC Available in IPC and CPC
  • E03D 9/16 Water pressure regulating means in flushing pipes IPC+CPC Available in IPC and CPC

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