129518 ⎘
Sewerage structures; Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps Arrangements of means against overflow of water, backing-up from the drain
STORM DRAIN GRATE AND FILTER APPARATUS AND METHOD
#2Positive and negative pressure resistant sealing apparatus of balance shaft two-way valve plate used for drainage pipeline
#3SYSTEM FOR INCREASING AND DISPLAYING EFFECTIVENESS AND EFFICIENCY OF STORMWATER INFRASTRUCTURE
#4STORM DRAIN GRATE AND FILTER APPARATUS AND METHOD
#5Storm drain grate and filter apparatus and method
#6Detection and monitoring system for the management of combined sewer systems
#7Sump overflow protector
#8Sump overflow protector
#9VALVE DEVICE
#10SYSTEM FOR INCREASING AND DISPLAYING EFFECTIVENESS AND EFFICIENCY OF STORMWATER INFRASTRUCTURE
#11Integrated utility distribution system
#12Storm drain grate and filter apparatus and method
#13EMERGENCY BACKFLOW PREVENTING SYSTEM
#14Detection and monitoring system for the management of combined sewer systems
#15Devices and methods for optimizing flow through drains
#16MONITORING ACCESS COVER
#17Removable catch basin filter insert and lifting apparatus
#18Cup and saucer thinset surface drain
#19Storm drain grate and filter apparatus and method
#20REINFORCEMENT VALVE FOR PREVENTING BACKFLOW IN DRAIN TRAP
#21System to prevent basement flooding from sewer backup
#22A DRAIN PIPE INSERT ARRANGEMENT AND A SYSTEM OF SUCH ARRANGEMENTS
#23Backflow valve assembly
#24Sewer alarm apparatus having a probe
#25Wastewater lift station vent odor neutralization device
#26RETROFIT DRAINAGE SYSTEM
#27Flexible check valve for fluid control
#28Plug for servicing active pipe
#29Sump backfill protector
#30Valvular device
#31Detection and monitoring system for the management of combined sewer systems
#32Internal trap drain with adjustable height strainer and high mass seal
#33Check valve
#34Multi-layer water sealing device and multi-layer water sealing method
#35Backflow prevention apparatus
#36Drain Valve With Tapered Skirt Valve
#37Powerless back-flow prevention apparatus
#38Drain Valve With Tapered Skirt Valve
#39Sewer alarm apparatus having a probe
#40Odor trap device
#41Fluid backflow management system and method of use thereof
#42RETROFIT CATCH BASIN FOR USE IN STORM WATER MANAGEMENT PRACTICE
#43Sewer alarm apparatus with probe extending through a monitored pipe
#44Valve for roof vent
#45Drain grate system and method
#46Gully arrangement
#47Stormwater Drain Backflow Flood Control Device
#48GULLY ARRANGEMENT
#49Non-return valve assembly of the pivoting flap type, typically for insertion in floor drains
#50Storm water filter systems
#51Muck bucket
#52Non-Return Valve Adapter For Water Closet
#53Floor Drain Cover That Can Prevent Waste Water From Flowing Backward in a Floor Drain
#54Drain Cartridge Having Removable Valved System
#55MULTI-FUNCTION CLEANOUT PLUG AND METHOD OF USE
#56Back-water trap for a floor drain system
#57FLOOR DRAIN
#58SENSOR NETWORK FOR LIQUID DRAINAGE SYSTEMS
#59STORM DRAIN FILTER
#60Flood control system
#61COEZE
#62Clean out tube check valve
#63Self-sealing floor drain
#64Backflow-Preventer
#65Floor drain with incorporated flood prevention
#66Air gap fitting
#67Flood relief system