Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260902 | Satellite-based low power resource meter reading systems and methods | Les Robinson, Rod Redlin, Angelo A. Polsinelli, Keith W. Carlson | 2019-04-16 |
| 9173011 | Satellite-based low power resource meter reading systems and methods | Les Robinson, Rod Redlin, Angelo A. Polsinelli, Keith W. Carlson | 2015-10-27 |
| 6698595 | Screen material | Robert G. Norell | 2004-03-02 |
| 5979551 | Well screen with floating mounting | George A. Gillespie | 1999-11-09 |
| 5881809 | Well casing assembly with erosion protection for inner screen | George A. Gillespie | 1999-03-16 |
| 5766488 | Method and apparatus for water treatment | Richard C. Maxson, Ralph W. Holliday, Mark E. Watson | 1998-06-16 |
| 5618426 | Lateral member assembly for underdrain lateral system | Frederick W. Eischen, Richard C. Maxson | 1997-04-08 |
| 5514284 | Method and apparatus for water treatment | Richard C. Maxson, Ralph W. Holliday, Mark E. Watson | 1996-05-07 |
| 5118419 | Slotted scallop-shaped underdrain screened lateral elements | Thomas W. Evans, Robert G. Norell, Richard C. Maxson | 1992-06-02 |
| 5015383 | Slotted screen scallops for high loading pressures and method of making same | Thomas W. Evans, Robert G. Norell, Richard C. Maxson | 1991-05-14 |
| 4994190 | Serial crossflow filtration assembly | — | 1991-02-19 |