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D C WATER & SEWER AUTHORITY

Overview
  • Total Patents
    66
  • GoodIP Patent Rank
    45,794
  • Filing trend
    ⇩ 88.0%
About

D C WATER & SEWER AUTHORITY has a total of 66 patent applications. It decreased the IP activity by 88.0%. Its first patent ever was published in 2006. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and measurement are HAMPTON ROADS SANITATION DISTR, OUJI SHANGHAI ENVIRONMENTAL PROTECTION TECH CO LTD and ENBIO21 CO LTD.

Patent filings per year

Chart showing D C WATER & SEWER AUTHORITYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Murthy Sudhir N 49
#2 Wett Bernhard 34
#3 Miller Mark 29
#4 Regmi Pusker 28
#5 Bott Charles B 26
#6 Giraldo Eugenio 17
#7 Omari Ahmed 15
#8 Dockett Norman D 12
#9 De Clippeleir Haydee 12
#10 Bailey Walter F 10

Latest patents

Publication Filing date Title
US2019359513A1 Curing and inoculation of pasteurized digestate
US2018086656A1 Method and apparatus for pasteurization, hydrolysis and carbonization
CA3023270A1 Overcoming biofilm diffusion in water treatment
WO2017136463A1 Mount apparatus for a submersible analyzer and method for analyzing fluid
US2016272521A1 Apparatus for water treatment using a physical separator
US2016214844A1 Ergonomic manhole cover lifting tool, system, method, and apparatus
EP2969978A1 Method and apparatus for maximizing nitrogen removal from wastewater
US2014091035A1 Method and apparatus for maximizing nitrogen removal from wastewater
CN104854039A Method and apparatus for water treatment using screens
US2014069863A1 Method and apparatus for nitrogen removal in wastewater treatment
MX2015003358A Method and apparatus for nitrogen removal in wastewater treatment.
WO2007050699A2 Apparatus and method using a simultaneous, sequential or pulsed aerobic and/or anoxic digestion process
US2007102356A1 Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation
US2007102353A1 Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process