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DIFF Subgroup
E03F 5/16

Devices for separating oil, water or grease from sewage in drains leading to the main sewer

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for separating oil, water, or grease from sewage in drains leading to the main sewer

CPC: Devices for separating oil, water or grease from sewage in drains leading to the main sewer

Full Title

Full titles differ between systems:

IPC:

Sewerage structures > Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates > Devices for separating oil, water, or grease from sewage in drains leading to the main sewer

CPC:

Sewerage structures > Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates (for use in sewage purification plants or both in sewage purification plants or in sewer systems B01D, C02F ) > Devices for separating oil, water or grease from sewage in drains leading to the main sewer

No child classifications to compare. This is a leaf node in both 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