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DIFF Subgroup
E03B 9/02

Hydrants; Arrangements of valves therein; Keys for hydrants

Introduced: September 1968

Title

Titles differ between systems:

IPC: Hydrants; Arrangement of valves therein; Keys for hydrants

CPC: Hydrants; Arrangements of valves therein; Keys for hydrants

Full Title

Full titles differ between systems:

IPC:

Methods or installations for drawing-off water > Hydrants; Arrangement of valves therein; Keys for hydrants

CPC:

Methods or installations for drawing-off water (domestic water-drawing devices E03C; taps or valves per se F16K) > Hydrants; Arrangements of valves therein; Keys for hydrants

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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  • E03B 2009/022 2nd only CPC only CPC only
  • E03B 9/14 Draining devices for hydrants IPC+CPC Available in IPC and CPC
  • E03B 9/16 Devices for retaining foreign matter, e.g. sand IPC+CPC Available in IPC and CPC
  • E03B 9/18 Cleaning tools for hydrants IPC+CPC Available in IPC and CPC
  • E03B 9/20 Pillar fountains or like apparatus for dispensing drinking water 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