| 11530147 |
Biofilm carriers for use in wastewater treatment |
Thomas E. Frankel, Seoungil Kang, Benjamin Edward Kang, Robert G. Freudenberg, Kelsey A. Bennett |
2022-12-20 |
| 10773982 |
Diffuser assembly |
Thomas E. Frankel, Seoungil Kang |
2020-09-15 |
| 10633267 |
Fine bubble diffuser assembly |
Thomas E. Frankel, Seoungil Kang |
2020-04-28 |
| 9678091 |
In situ monitoring for wastewater treatment systems and the like |
Eric D. Duden, Marc D. Kessman, Thomas E. Frankel, Seoungil Kang |
2017-06-13 |
| 9539550 |
Coarse bubble diffuser for wastewater treatment |
Thomas E. Frankel, Seoungil Kang |
2017-01-10 |
| 9498756 |
Assembly for wastewater treatment |
Thomas E. Frankel, Seoungil Kang |
2016-11-22 |
| 9440200 |
Tube diffuser |
Thomas E. Frankel, Seoungil Kang |
2016-09-13 |
| 8376325 |
Diffuser membranes with modified electrical properties |
Thomas E. Frankel, Seoungil Kang |
2013-02-19 |
| 8241549 |
Fluorinated elastomeric gas diffuser membrane |
Thomas E. Frankel, Seoungil Kang |
2012-08-14 |
| 7674514 |
Multiple layered membrane with thin fluorine containing polymer layer |
Thomas E. Frankel, Seoungil Kang, Hong Suk Kim |
2010-03-09 |
| 7396499 |
Multiple layered membrane with fluorine containing polymer layer |
Thomas E. Frankel, Seoung-il Kang, Hong Suk Kim |
2008-07-08 |
| 6811148 |
Quick-connect diffuser assembly |
Thomas E. Frankel, Seoung-il Kang |
2004-11-02 |