US Patent No: 5,192,442

Number of patents in Portfolio can not be more than 2000

Multiple zone batch treatment process

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Abstract

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A process is described for the operation of a multiple zone batch treatment system for biological or biophysical treatment of wastewater. The system comprises two or more batch treatment zones with wastewater passing sequentially through all treatment zones. After the mix and settle batch steps occur for all zones, influent wastewater flows into the first zone and displaces clarified wastewater in a plug flow mode through each treatment zone and ultimately from the last zone. The combining of the decant and fill steps for all or most of the zones provides for shorter cycle times and greater capacity for the system.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SIEMENS WATER TECHNOLOGIES CORP.WARRENDALE, PA31

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Meidl, John A Schofield, WI 6 145
Piccirillo, John Schenectady, NY 3 73

Cited Art Landscape

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U.S. FILTER/ZIMPRO, INC. (2)
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BABCOCK-TRANSENVIRO, L.P. (1)
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ZIMPRO PASSAVANT ENVIRONMENTAL SYSTEMS, INC., A CORP. OF WI (1)
4,952,316 Continuous aeration-batch clarification wastewater treatment 13 1989

Patent Citation Ranking

Forward Cite Landscape

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EVOQUA WATER TECHNOLOGIES LLC (31)
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7,591,950 Submerged cross-flow filtration 21 2006
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8,293,098 Infiltration/inflow control for membrane bioreactor 0 2007
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8,318,028 Infiltration/inflow control for membrane bioreactor 0 2008
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6,136,185 Aerobic biodegradable waste treatment system for large scale animal husbandry operations 12 1998
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SIEMENS WATER TECHNOLOGIES LLC (1)
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U.S. FILTER, INC. WARRENDALE, PA (1)
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5,389,259 Preparation treatment of volatile wastewater components 6 1994
 
Other [Check patent profile for assignment information] (7)
5,354,471 Method of treating wastewater 20 1992
5,902,484 Method and system for treatment of water and wastewater 13 1993
5,556,538 Denitrification system 2 1994
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6,398,957 Surge anoxic mix sequencing batch reactor systems 10 1999
6,676,836 Surge anoxic mix sequencing batch reactor systems 11 2002
7,309,434 Apparatus and method for wastewater treatment 1 2005

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