Assignee
D C WATER & SEWER AUTHORITY
US·13 granted patents·6 pending applications·27 citations·filing 2006–2021
Top patents by PatentIndex Score
19 records- 0186US9469558B2Method and apparatus for maximizing nitrogen removal from wastewaterD C WATER & SEWER AUTHORITY·Filed 2013·Granted Oct 18, 2016·5 cites·10 claims
- 0280US9346694B2Method and apparatus for nitrogen removal in wastewater treatmentD C WATER & SEWER AUTHORITY·Filed 2013·Granted May 24, 2016·3 cites·20 claims
- 0378US9352990B2Method and apparatus for maximizing nitrogen removal from wastewaterD C WATER & SEWER AUTHORITY·Filed 2014·Granted May 31, 2016·2 cites·24 claims
- 0475US10005683B2Method and apparatus for nitrogen removal in wastewater treatmentD C WATER & SEWER AUTHORITY·Filed 2016·Granted Jun 26, 2018·1 cites·24 claims
- 0575US9802847B2Method and apparatus for wastewater treatment using screensD C WATER & SEWER AUTHORITY·Filed 2013·Granted Oct 31, 2017·2 cites·23 claims
- 0674US7404897B2Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentationD C WATER & SEWER AUTHORITY·Filed 2006·Granted Jul 29, 2008·8 cites·16 claims
- 0771US9340439B2Method and apparatus for nitrogen removal in wastewater treatmentD C WATER & SEWER AUTHORITY·Filed 2013·Granted May 17, 2016·1 cites·12 claims
- 0869US10287195B2Method and apparatus for water treatment using screensD C WATER & SEWER AUTHORITY·Filed 2013·Granted May 14, 2019·1 cites·14 claims
- 0968US10464832B2Apparatus for water treatment using a physical separatorD C WATER & SEWER AUTHORITY·Filed 2016·Granted Nov 5, 2019·1 cites·15 claims
- 1067US11759833B2Method and apparatus for pasteurization, hydrolysis and carbonizationD C WATER & SEWER AUTHORITY·Filed 2021·Granted Sep 19, 2023·0 cites·2 claims
- 1166US7833415B2Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion processD C WATER & SEWER AUTHORITY·Filed 2006·Granted Nov 16, 2010·3 cites·15 claims
- 1261US2018086656A1Method and apparatus for pasteurization, hydrolysis and carbonizationD C WATER & SEWER AUTHORITY·Filed 2017·Application pending·0 cites
- 1359US12116297B2Curing and inoculation of pasteurized digestateD C WATER & SEWER AUTHORITY·Filed 2019·Granted Oct 15, 2024·0 cites·22 claims
- 1458US2016311713A1Method and apparatus for maximizing nitrogen removal in wastewaterD C WATER & SEWER AUTHORITY·Filed 2016·Application pending·0 cites
- 1558US2016257590A1Method and apparatus for maximizing nitrogen removal from wastewaterD C WATER & SEWER AUTHORITY·Filed 2016·Application pending·0 cites
- 1657US2016257589A1Method and apparatus for nitrogen removal in wastewaterD C WATER & SEWER AUTHORITY·Filed 2016·Application pending·0 cites
- 1742US2017320762A1Overcoming biofilm diffusion in water treatmentD C WATER & SEWER AUTHORITY·Filed 2017·Application pending·0 cites
- 1836US2017219551A1Mount apparatus for a submersible analyzer and method for analyzing fluidD C WATER & SEWER AUTHORITY·Filed 2017·Application pending·0 cites
- 1930US9738502B2Ergonomic manhole cover lifting tool, system, method, and apparatusD C WATER & SEWER AUTHORITY·Filed 2016·Granted Aug 22, 2017·0 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →