77066350
Dec 18, 2006
May 13, 2008
Chemicals for use in industry and science, namely, gases and mixtures of gases for use in calibration and testing
ChemicalsElectric pumps for metering gases and liquids; pump diaphragms; valves for pumps; pressure reducers; needle valves for pumps for use in the control of the flow of fluids; diaphragm valves for pumps for use in the control of the flow of fluids; blowing machines for the compression, exhaustion and transport of gases; gas compressors; mechanical mixing devices for the production of mixtures of gases for calibration and testing; separators for use with liquids and solids for the processing of gases
MachinerySensors for collecting and analyzing physical and chemical quantities in gases and liquids, gas sensors for measuring gas contents, gas concentrations and gas compositions; measuring and testing equipment for measuring and analyzing of gas contents, gas concentrations, gas compositions and ingredients of gases and liquids; separators for the cleaning and purification of liquids and gases; condensers for gases
Electrical and Scientific ApparatusGas regulators for use in regulating heating and cooling of gases; electric vaporizers; diffusers for use in the production of test gases; gas permeation cells for use in the production of test gases; gas diffusers for use in the production of test gases
Environmental Control Apparatus