Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10112128 | Apparatus for securing underdrain filter block | Dean T. Berkebile, Daniel E. Bruce | 2018-10-30 |
| 10052572 | Underdrain filter block | Dean T. Berkebile, Daniel E. Bruce | 2018-08-21 |
| 9480939 | Underdrain and method for transferring forces and directing flow | Brian J. Bates, Howard J. Sweeney | 2016-11-01 |
| 9199186 | Underdrain flume plate | Daniel E. Bruce, John L. Geibel | 2015-12-01 |
| 9138665 | Filter media retainer assembly | Brian J. Bates, Howard J. Sweeney | 2015-09-22 |
| 9072990 | Apparatus for securing underdrain filter block | Dean T. Berkebile, Daniel E. Bruce | 2015-07-07 |
| 8889003 | Underdrain filter block including a grout chamber | Dean T. Berkebile, Daniel E. Bruce | 2014-11-18 |
| 8871093 | Filter media retainer assembly | Brian J. Bates | 2014-10-28 |
| 8657122 | Clog resistant media retainer assembly | John L. Geibel | 2014-02-25 |
| D687861 | Filter media retainer | Brian J. Bates | 2013-08-13 |
| D684597 | Granular filter media retainer | — | 2013-06-18 |
| 8323514 | Method and system for cleaning filter media support structures | John L. Geibel, Eugene M. Vegso, Robert L. Laird, Thomas M. Getting, Dean T. Berkebile | 2012-12-04 |
| 6108970 | Self-watering plant guard | — | 2000-08-29 |
| 5313673 | Electronic flush valve arrangement | Robert E. Saadi, Makoto Kodaira | 1994-05-24 |
| 5062453 | On demand sensor flush valve | Robert E. Saadi, Allen R. Becker, John Steffan | 1991-11-05 |