Enhanced and remote meter reading with vibration actuated valve
Enhanced backflow prevention apparatus and method
Enhanced purge effect in gas conduit
Enhancing pipes
Entry tap valve for pressurized pipe leak detector
Escutcheon plate
Evaluation and regulation of the thermal power of a flow of...
Excess flow shut-off valve
Exhaust adaptor and method for chamber de-gassing
Exhaust cart excess flow valve with linear actuator
Exhaust control valve and method of manufacturing same
Exhaust gas control valve, apparatus and method of...
Exhaust reduction system for control valves
Exhaust system and mini-exhaust static pressure controlling...
Existing pipe cut-off method, existing pipe slitting method,...
Expansible chamber device having variably restrained valve syste
Extended valve box and process for securing extension to valve b
External shutoff valve for fire hydrants
Fabrication of ultra-shallow channels for microfluidic...
Fail safe drive for control of multiple solenoid coils