E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E03
WATER SUPPLY; SEWERAGE
 E03B
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER (drilling wells, obtaining fluids in general from wells E21B; pipe-line systems in general F17D)
 E03B
Subclass index
LAYOUT 1/00, 5/00
METHODS 1/00, 3/00, 9/00
INSTALLATIONS 3/00, 5/00, 9/00
PIPE SYSTEMS; TANKS 7/00; 11/00
P:50 E03B 1/00
Methods or layout of installations for water supply (E03B 3/00, E03B 9/00 take precedence)  [4]
P:20 E03B 3/00
Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F)  [4]
P:0 E03B 5/00
Use of pumping plants or installations; Layouts thereof (pumps, pumping plants or installations per se, F04)
P:30 E03B 7/00
Water main or service pipe systems (domestic plumbing E03C 1/02; devices for preventing contamination of drinking water pipes for domestic use E03C 1/10; pipes or tubes in general F16L)
P:10 E03B 9/00
Methods or installations for drawing-off water (domestic water-drawing devices E03C; taps or valves per se F16K)  [4]
P:40 E03B 11/00
Arrangements or adaptations of tanks for water supply (water-butts E03B 3/00; storage aspects B65D, B65G, F17B, F17C; foundations E02D 27/32; construction or assembling of bulk storage containers employing civil engineering techniques E04H 7/00; tower aspects E04H 12/00)