|
2010
|
Invention
|
High capacity air admittance valve for sanitary waste pipe system.
The valve is designed to be c... |
|
|
Invention
|
High capacity air admittance valve for sanitary waste pipe system. The valve is designed to be co... |
|
|
Invention
|
Air admittance valve. The closing and sealing means for use in air admittance valves includes a v... |
|
2009
|
Invention
|
Air admittance valve. An air admittance valve configured when subjected to a negative pressure co... |
|
2007
|
G/S
|
Metal drain traps; metal drain pipes; metal elbows for
pipes; metal clips for pipes; metal pipe ... |
|
2006
|
Invention
|
Sealed off building drainage and vent system. A drainage and ventilation system for a building is... |
|
2005
|
Invention
|
Water trap for sanitary appliances. A water trap for sanitary appliances of the kind having an in... |
|
|
Invention
|
Air venting system.
An air venting system includes a body defining an inner chamber; and an odor... |
|
|
Invention
|
Air venting system. Air venting system comprising: a body defining an inner chamber; and an odor ... |
|
|
G/S
|
Drain traps of metal. Sanitary apparatus and installations; water pipes for
sanitary installatio... |
|
2002
|
Invention
|
Pressure relief device in drainage systems. The pressure relief device (1) for use in drainage sy... |
