Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subclass
E03B

INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER

Introduced: September 1968

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
WATER SUPPLY; SEWERAGE
Subclass:
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER

Description

E03B covers systems and methods for sourcing, gathering, and transporting water for supply purposes. This includes water intake structures, collection facilities, storage reservoirs, pumping stations, and distribution networks that deliver water from natural sources or treatment plants to users. The classification encompasses both above-ground and underground infrastructure, such as wells, boreholes, aqueducts, pipelines, and associated control or measurement devices. Related sewerage and wastewater treatment systems are addressed separately in other E03 subclasses.

Related Keywords

(2) WATER supply

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

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