Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11331603 | Hybrid intake screen assembly | Gerald Allan Berry, Garth H. Saul, Michael Ekholm, Timothy Charles Wolf | 2022-05-17 |
| 11058973 | Underdrain assembly | Michael Ekholm, Mark E. Watson, Fabrice Jean Alphonse Courageot | 2021-07-13 |
| 10399013 | Hybrid intake screen assembly | Gerald Allan Berry, Garth H. Saul, Michael Ekholm, Timothy Charles Wolf | 2019-09-03 |
| 10151099 | Underdrain assembly | Michael Ekholm, Mark E. Watson, Fabrice Jean Alphonse Courageot | 2018-12-11 |
| 9399858 | Hybrid intake screen assembly | Gerald Allan Berry, Garth H. Saul, Michael Ekholm, Timothy Charles Wolf | 2016-07-26 |
| 8876017 | Variable flow screen nozzle | Michael Ekholm | 2014-11-04 |
| 8596261 | Passive solar wire screens for buildings | Michael Ekholm | 2013-12-03 |
| 8028691 | Passive solar wire screens for buildings | Michael Ekholm | 2011-10-04 |
| 6712959 | Submerged intake filter assembly | Michael Ekholm, Michael D. Appel | 2004-03-30 |
| 6051131 | Flow modifier for submerged intake screen | — | 2000-04-18 |
| 5766488 | Method and apparatus for water treatment | Stephen A. Uban, Ralph W. Holliday, Mark E. Watson | 1998-06-16 |
| 5618426 | Lateral member assembly for underdrain lateral system | Frederick W. Eischen, Stephen A. Uban | 1997-04-08 |
| 5514284 | Method and apparatus for water treatment | Stephen A. Uban, Ralph W. Holliday, Mark E. Watson | 1996-05-07 |
| 5156738 | Apparatus for uniformly distributing gas and/or liquid in an underdrain lateral system | — | 1992-10-20 |
| 5118419 | Slotted scallop-shaped underdrain screened lateral elements | Thomas W. Evans, Robert G. Norell, Stephen A. Uban | 1992-06-02 |
| 5015383 | Slotted screen scallops for high loading pressures and method of making same | Thomas W. Evans, Robert G. Norell, Stephen A. Uban | 1991-05-14 |