E03F 3/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9828758 Sewer systemNov 06, 14Nov 28, 17AIWELL HOLDING AS
9631356 Combined sewer overflow warning and prevention systemApr 30, 13Apr 25, 17GLOBALFOUNDRIES INC.
9593664 Waste water electrical power generating systemAug 20, 15Mar 14, 17Not available
9273457 Partitioned separator water treatment system with multiple upflow filtersMay 26, 13Mar 01, 16Bio Clean Environmental Services, Inc.
9157411 Waste water electrical power generating systemJun 23, 14Oct 13, 15Not available
9004812 System for controlling rainwater run-offJun 11, 13Apr 14, 15Ridvan Garden Developments Ltd.
8992115 Surface drainage systemMar 15, 13Mar 31, 15SHAW & SONS, INC.
6698442 Separated sanitary effluent sewer systemSep 19, 02Mar 02, 04Not available
5131196 Drywell cover and drywellFeb 26, 91Jul 21, 92CFL SYSTEMS LLC, Owl 1990 Trust, OWL 1990 TRUST, CRAIG ROCKWOOD, TRUSTEE,