Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8273246 | System and method for treating ammonia-based wastewater | Kuan-Foo Chang, Sheng-Hsin Chang, Shwu-Huey Perng, Wang-Kuan Chang, Shan-Shan Chou | 2012-09-25 |
| 7435349 | System for treating wastewater containing organic compounds | Ming-Jing Perage, Sheng-Shin Chang, Yih-Chang Chen, Shwu-Huey Perng | 2008-10-14 |
| 7410570 | Separating device | Ming-Jing Peng, Kuan-Foo Chang, Sheng-Hsin Chang, Shwu-Huey Perng | 2008-08-12 |
| 7407580 | System and method for treating carbon, nitrogen, phosphorous containing wastewater | Kuan-Foo Chang, Sheng-Shin Chang, Shwu-Huey Perng, Shu-Kang Hsu | 2008-08-05 |
| 7279101 | Anaerobic biological wastewater treatment system and process | Shan-Shan Chou, Shui-Chen Lien, Wung-Jung Wu, Hsin-Jung Lin | 2007-10-09 |
| 7163631 | Process for treating wastewater containing peracetic acid | Shan-Shan Chou, Sheng-Hsin Chang | 2007-01-16 |
| 7087170 | Method and system for treating wastewater containing organic compounds | Ming-Jing Perage, Sheng-Shin Chang, Yih-Chang Chen, Shwu-Huey Perng | 2006-08-08 |
| 6682653 | Floated biological treatment apparatus and process for purifying refractory wastewater or raw water | Shun-Hsing Chuang, Chung-Fan Chiou, Wang-Kuan Chang, Hsin Shao, Mine-Jine Peng +1 more | 2004-01-27 |
| 6143182 | Process for chemically oxidizing wastewater with reduced sludge production | Yao-Hui Huang, Gaw-Hao Huang, Shan-Shan Chou, Shwu-Huey Perng | 2000-11-07 |