IC 009. US 021 023 026 036 038. G & S: pollutant sensors; scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; electrostatic emission control devices, namely, electrostatic precipitators for reducing particulate emission in industrial applications

IC 011. US 013 021 023 031 034. G & S: pollution control equipment, namely, filters and filtering devices for air and gas conditioning; air filtering installations; storm water filtering units featuring non-metal filtering booms and tendrils used to reduce bacteria and hydrocarbons in standing water; anti-pollution devices, namely, industrial air filter machines; dryers used for the removal of solid, liquid and vapor contaminants from compressed air and gases; electrolytic gas treatment systems, namely, gas recycling system comprised primarily of one or more of the following pieces of equipment, namely, pressure swing adsorption equipment, temperature swing adsorption equipment, perm selective membrane equipment, solvent extraction equipment, pervaporation equipment or solid adsorption equipment, for the recovery, purification and return of gases in industrial applications; air scrubbers, namely, air filters for industrial installations