Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440828 | Method of treating sludge | Hong Zhao, Sudhakar Viswanathan, Luther G. Wood, Brad Mrdjenovich, James McQuarrie | 2022-09-13 |
| 10370277 | System and method for treating wastewater and resulting primary and biological sludge | Soren J. Hojsgaard | 2019-08-06 |
| 10358357 | Energy efficient system and process for hydrolyzing sludge | Soren J. Hojsgaard, Jens Christian Bisgaard | 2019-07-23 |
| 9758416 | System and method for treating wastewater and resulting sludge | Soren J. Hojsgaard | 2017-09-12 |
| 9630865 | System and process for removing ammonium, soluble BOD and suspended solids from a wastewater stream | Michael L. Gutshall, Abdelkader Gaid, Sandra Bernard | 2017-04-25 |
| 7459083 | Method for controlling fouling of a membrane filter | Sun-Nan Hong, Hong Zhao | 2008-12-02 |
| 7147778 | Method and system for nitrifying and denitrifying wastewater | Sun-Nan Hong, Hong Zhao, Luther G. Wood | 2006-12-12 |
| 7001516 | Process for removing phosphorus from wastewater utilizing a triple basin wastewater treatment system | Sun-Nan Hong, Hong Zhao | 2006-02-21 |
| 6830689 | Process for removing phosphorus from wastewater utilizing a triple basin wastewater treatment system | Sun-Nam Hong, Hong Zhao | 2004-12-14 |