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IPC Main Group
E03F 7/00

Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
WATER SUPPLY; SEWERAGE
Subclass:
SEWERS; CESSPOOLS

Related Keywords

emptying CESSPOOLSEMPTYING of cesspools

5 direct subcodes

Child Classifications

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  • E03F 7/06 Devices for restraining rats or other animals
  • E03F 7/08 Hand implements for emptying sewers or cesspools
  • E03F 7/1 Wheeled apparatus for emptying sewers or cesspools
  • E03F 7/12 Installations enabling inspection personnel to drive along sewer canals

Top Applicants

Top 10 applicants by patent filingsfor 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