Valve means for compressed air-powered acoustic pulse generator

Valve packing gland pressure sensing by capacitance measurement

Valve position monitoring apparatus

Valve position sensor diagnostic

Valve seat concentricity gage

Valve stem gas leak detector

Valve testing

Valveless prover

Vanadium - peroxide compositions as insulin mimickers

Vane area measuring device

Vane designed to be oriented in the ambient air flow axis

Vane for measuring wind orientation with integrated heater

Vane straightener retainer

Vane type meter

Vapor and particle sampling

Vapor density measurement systems

Vapor liquid fraction determination

Vapor permeation time-temperature indicator

Vapor phase detectors

Vapor pressure measurement apparatus and method