Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E03
WATER SUPPLY; SEWERAGE
Load children
E03F
SEWERS; CESSPOOLS
Load children
E03F5/04
Gullies; inlets, road sinks, floor drains; with or without odour seals or sediment traps
Load children Filter patents View analytics View as hierarchy
E03F5/0411
Devices for temporarily blocking inflow into a gully
Filter patents View analytics View as hierarchy