For the Inventor, By the Inventor

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Virginia Beach, VA, United States of America

Hampton Roads Sanitation District

USPTO Granted Patents = 12

EPO Patents = 3

Trademarks = 5

Forward Citations = 25

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15 inventors (with patents filed for the assignee):

Charles Bott (10 out of 11 patents)

Sudhir N Murthy (8 out of 21 patents)

Bernhard Wett (7 out of 17 patents)

4. Pusker Regmi (5 out of 5 patents)

5. Mark Miller (5 out of 5 patents)

6. Maureen O'Shaughnessy (3 out of 3 patents)

7. Ahmed Omari (3 out of 3 patents)

8. Stephanie Klaus (2 out of 2 patents)

9. Haydee De Clippeleir (2 out of 2 patents)

10. Christine deBarbadillo (2 out of 2 patents)

11. Geert Nyhuis (1 out of 4 patents)

12. Don Butler (1 out of 1 patent)

13. Eric Jackson (1 out of 1 patent)

14. Daniel L Barker (1 out of 1 patent)

15. Michael Parsons (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 12221369 - Method and apparatus for nutrient removal using anoxic biofilms (2025-02-11),

2. 11999641 - Method and apparatus for multi-deselection in wastewater treatment (2024-06-04),

3. 10112856 - Method and apparatus for wastewater treatment using gravimetric selection (2018-10-30),

4. 10005683 - Method and apparatus for nitrogen removal in wastewater treatment (2018-06-26),

5. 9902635 - Method for deammonification process control using pH, specific conductivity, or ammonia (2018-02-27),

6. 9469558 - Method and apparatus for maximizing nitrogen removal from wastewater (2016-10-18),

7. 9352990 - Method and apparatus for maximizing nitrogen removal from wastewater (2016-05-31),

8. 9346694 - Method and apparatus for nitrogen removal in wastewater treatment (2016-05-24),

9. 9340439 - Method and apparatus for nitrogen removal in wastewater treatment (2016-05-17),

10. 9242882 - Method and apparatus for wastewater treatment using gravimetric selection (2016-01-26),

11. 9068335 - Valve operating nut protector (2015-06-30),

12. 6925895 - Sample collection system (2005-08-09),

Hampton Roads Sanitation District (HRSD) is a regional wastewater treatment utility serving 18 cities and counties in southeastern Virginia. As a political subdivision of the Commonwealth of Virginia, HRSD was created in 1940 to clean the waters of Hampton Roads and their tributary rivers and protect the Chesapeake Bay.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

12 Patents

#16 in Virginia Beach, VA

#442 in Virginia

#24,841 in US

#46,762 in the World

Virginia Beach, VA, United States of America

Hampton Roads Sanitation District

Forward Citations = 25

15 inventors:

Charles Bott (10 out of 11 patents)

Sudhir N Murthy (8 out of 21 patents)

Bernhard Wett (7 out of 17 patents)

4. Pusker Regmi (5 out of 5 patents)

5. Mark Miller (5 out of 5 patents)

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