Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments, namely, monitoring apparatus and instruments for dosing, censoring, measuring, transmitting and data collection and analysis of process chemicals to monitor usage and performance of chemical additives used in oil and gas production, refining, petrochemical, and additives systems and processes to harness power of mo...

Apparatus to test and measure properties of liquids emitted by infusion pumps and other medical devices