Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706171 | Systems for treating wastewater in a series of filter-containing tanks | James J. Goodley, Mark J. Bubel, Sr., William D. McGurney, Wenjun Liu | 2004-03-16 |
| 6416652 | Method for measuring ammonia in biochemical processes | Sergey K. Maneshin, Marcus Kolb, Xin Yang | 2002-07-09 |
| 6248595 | Method of measuring a nitrification rate for liquids | Sergey K. Maneshin, Marcus Kolb, Xin Yang | 2001-06-19 |
| 6143246 | Apparatus for measuring ammonia in biochemical processes | Sergey K. Maneshin, Marcus Kolb, Xin Yang | 2000-11-07 |
| 6106718 | Enhanced denitrification process by monitoring and controlling carbonaceous nutrient addition | Sergey K. Maneshin, Xin Yang | 2000-08-22 |
| 5976888 | Method for measuring NO.sub.x in biochemical processes | Sergey K. Maneshin, Marcus Kolb, Xin Yang | 1999-11-02 |
| 5856119 | Method for monitoring and controlling biological activity in fluids | Xin Yang, Sergey K. Maneshin, Terrance J. Mah | 1999-01-05 |
| 5698412 | Method for monitoring and controlling biological activity in fluids | Xin Yang, Sergey K. Maneshin, Terrance J. Mah | 1997-12-16 |
| 5552319 | Apparatus and method for monitoring and controlling biological activity in wastewater and controlling the treatment thereof | Xin Yang, Sergey K. Maneshin, Marcus Kolb | 1996-09-03 |
| 5401412 | Method and apparatus for monitoring biological activity in wastewater and controlling the treatment thereof | Xin Yang, William B. Armiger, Sergey K. Maneshin | 1995-03-28 |
| 4803365 | Optical probe mounting device | Richard Krause, Craig BRECKENRIDGE | 1989-02-07 |