77680160
Feb 27, 2009
Apr 6, 2010
Active Trademark
pressure indicators in the nature of bursting discs for the regulation and monitoring of over- and low-pressures in the oil and gas, energy, chemical, pharmaceutical, agricultural, food, manufacturing, and construction industries; controlling and measuring devices and apparatus for the pressure release during gas and dust explosions; devices for the measuring of the filling level, the speed, the concentration and the flow rate of liquids, gases, bulk solids or mixtures thereof, namely, ultrasonic measuring devices, semiconductor resistance strain gauges, and capacitive measuring devices
Electrical and Scientific Apparatus