IC 011. US 013 021 023 031 034. G & S: water, wastewater and process water stream batch mode treatment and filtering systems having separate treatment stages comprised of aerators, basins, baffles, valves, pumps, mechanical and gravity filters, synthetic and natural cloth filters, membrane units, activated sludge treatment systems (comprised of aerators, diffusers, mixers, basins, valves, pumps, baffles), mixers, and control weirs used in industrial and municipal water, wastewater and process water stream treatment equipment. FIRST USE: 20041215. FIRST USE IN COMMERCE: 20041215
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