D.C. Water & Sewer Authority

Patent Applications and Registrations

Patent applications and USPTO patent grants for D.C. Water & Sewer Authority.The latest application filed is for "method and apparatus for pasteurization, hydrolysis and carbonization".

Company Profile

6.24.25

D.C. Water & Sewer Authority - Washington DC US
D.C. Water and Sewer Authority - US
D.C. Water & Sewer Authority - Wahington DC US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method And Apparatus For Pasteurization, Hydrolysis And Carbonization App 20210214257 - Murthy; Sudhir N. ; et al.	2021-07-15
Curing And Inoculation Of Pasteurized Digestate App 20190359513 - Brower; William ; et al.	2019-11-28
Apparatus for water treatment using a physical separator Grant 10,464,832 - Murthy , et al. No	2019-11-05
Apparatus And Method For Biofilm Management In Water Systems App 20190263696 - Bott; Charles B. ; et al.	2019-08-29
Method and apparatus for water treatment using screens Grant 10,287,195 - Murthy , et al.	2019-05-14
Method and apparatus for wastewater treatment using gravimetric selection Grant 10,112,856 - Bott , et al. October 30, 2	2018-10-30
Method and apparatus for nitrogen removal in wastewater treatment Grant 10,005,683 - Wett , et al. June 26, 2	2018-06-26
Method And Apparatus For Pasteurization, Hydrolysis And Carbonization App 20180086656 - Murthy; Sudhir N. ; et al.	2018-03-29
Overcoming Biofilm Diffusion In Water Treatment App 20170320762 - Murthy; Sudhir N. ; et al.	2017-11-09
Method and apparatus for wastewater treatment using screens Grant 9,802,847 - Murthy , et al. October 31, 2	2017-10-31
Ergonomic manhole cover lifting tool, system, method, and apparatus Grant 9,738,502 - Brooks , et al. August 22, 2	2017-08-22
Mount Apparatus For A Submersible Analyzer And Method For Analyzing Fluid App 20170219551 - Kharkar; Salil ; et al.	2017-08-03
Method and apparatus for wastewater treatment using external selection Grant 9,670,083 - Wett , et al. June 6, 2	2017-06-06
Method And Apparatus For Maximizing Nitrogen Removal In Wastewater App 20160311713 - Regmi; Pusker ; et al.	2016-10-27
Method and apparatus for maximizing nitrogen removal from wastewater Grant 9,469,558 - Regmi , et al. October 18, 2	2016-10-18
System, Method And Apparatus For Water Treatment Using A Physical Separator App 20160272521 - Murthy; Sudhir N. ; et al.	2016-09-22
Method And Apparatus For Maximizing Nitrogen Removal From Wastewater App 20160257590 - Regmi; Pusker ; et al.	2016-09-08
Method And Apparatus For Nitrogen Removal In Wastewater App 20160257589 - Wett; Bernhard ; et al.	2016-09-08
Method And Apparatus For Nitrogen Removal In Wastewater Treatment App 20160257587 - Wett; Bernhard ; et al.	2016-09-08
Ergonomic Manhole Cover Lifting Tool, System, Method, And Apparatus App 20160214844 - Brooks; Wade L. ; et al.	2016-07-28
Method and apparatus for maximizing nitrogen removal from wastewater Grant 9,352,990 - Regmi , et al. May 31, 2	2016-05-31
Method and apparatus for nitrogen removal in wastewater treatment Grant 9,346,694 - Wett , et al. May 24, 2	2016-05-24
Method And Apparatus For Wastewater Treatment Using Gravimetric Selection App 20160137537 - Bott; Charles ; et al.	2016-05-19
Method and apparatus for nitrogen removal in wastewater treatment Grant 9,340,439 - Wett , et al. May 17, 2	2016-05-17
Method and apparatus for wastewater treatment using gravimetric selection Grant 9,242,882 - Nyhuis , et al. January 26, 2	2016-01-26
Method And Apparatus For Wastewater Treatment Using External Selection App 20150376043 - Wett; Bernhard ; et al.	2015-12-31
Method And Apparatus For Maximizing Nitrogen Removal From Wastewater App 20140263041 - Regmi; Pusker ; et al.	2014-09-18
Method And Apparatus For Wastewater Treatment Using Gravimetric Selection App 20140144836 - Nyhuis; Geert ; et al.	2014-05-29
Method And Apparatus For Wastewater Treatment Using Screens App 20140131273 - Murthy; Sudhir N. ; et al.	2014-05-15
Method And Apparatus For Maximizing Nitrogen Removal From Wastewater App 20140091035 - Regmi; Pusker ; et al.	2014-04-03
Method And Apparatus For Water Treatment Using Screens App 20140083936 - Murthy; Sudhir N. ; et al.	2014-03-27
Method And Apparatus For Nitrogen Removal In Wastewater Treatment App 20140069864 - Wett; Bernhard ; et al.	2014-03-13
Method And Apparatus For Nitrogen Removal In Wastewater Treatment App 20140069863 - Wett; Bernhard ; et al.	2014-03-13
Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process Grant 7,833,415 - Murthy , et al. November 16, 2	2010-11-16
Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation Grant 7,404,897 - Bailey, Jr. , et al. July 29, 2	2008-07-29

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.