E
SECTION E — FIXED CONSTRUCTIONS
BUILDING
E03
WATER SUPPLY
;
SEWERAGE
E03F
SEWERS
;
CESSPOOLS
E03F
Subclass index
SEWERS
1/00
-
9/00
CESSPOOLS
11/00
,
7/00
P:0
E03F 1/00
Methods, systems, or installations for draining-off sewage or storm water
P:10
E03F 3/00
Sewer pipe-line systems
E03F 3/04
·
Pipes or fittings specially adapted to sewers
(manufacture of concrete tubes
Fulltext...
Hierarchy...
Expanded...
B28
; pipes or pipe fittings in general
Fulltext...
Hierarchy...
Expanded...
F16L
)
P:20
E03F 5/00
Sewerage structures
(covers or frames for manholes or the like
Fulltext...
Hierarchy...
Expanded...
E02D 29/14
)
E03F 5/04
·
Gullies with or without odour seals or sediment traps
E03F 5/06
· ·
Gully gratings
E03F 5/10
·
Collecting-tanks
;
Equalising-tanks for regulating the run-off
;
Laying-up basins
E03F 5/14
·
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
Fulltext...
Hierarchy...
Expanded...
B01D
,
Fulltext...
Hierarchy...
Expanded...
C02F
)
P:40
E03F 7/00
Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage
;
Emptying cesspools
P:30
E03F 9/00
Arrangements or fixed installations for cleaning sewer pipes, e.g. by flushing
(sediment traps, rakes, screens, or the like, arranged in sewer lines
Fulltext...
Hierarchy...
Expanded...
E03F 5/14
; cleaning pipes in general, devices for cleaning pipes
Fulltext...
Hierarchy...
Expanded...
B08B 9/02
)
P:50
E03F 11/00
Cesspools
(emptying cesspools
Fulltext...
Hierarchy...
Expanded...
E03F 7/00
; features relating to treatment of sewage
Fulltext...
Hierarchy...
Expanded...
C02F
)