90975783
Aug 11, 2020
May 31, 2022
Active Trademark
Control monitors, mass analyzers, and instruments for use in vacuum systems, in particular comprised of a vacuum manifold and one or more membrane holders, all the for environmental testing and gas analysis; gas leak detectors for detecting the presence of gas; refrigerant recovery meters; gas testing instruments; residual gas and process gas testing instruments; testing apparatus operated by use of a vacuum for testing gas and liquids; mass spectrometers; leak detection apparatus, namely, electrical leak detection hardware and recorded operating software sold as a unit; test leakage apparatus providing a predefined amount of gas leakage for testing and calibrating gas leak detectors; liquid chromatography apparatus for laboratory use for producing, displaying, monitoring and controlling thin layers; vacuum technology apparatus in the nature of gauges; pressure measuring apparatus, vacuum measuring apparatus, namely, leak detectors for vacuum pumps; pressure transducers that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems; components of electrical mains in ultra-high vacuum chamber systems, namely, metal flanges, connectors, transition pieces in the nature of transistors, metal sealing rings, automatic valves, inspection windows, ducting for electric cables
Electrical and Scientific Apparatus