Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061689 | Disk diffuser with improved seal | — | 2011-11-22 |
| 8016272 | Retrievable diffuser module with truss construction | — | 2011-09-13 |
| 8011643 | Diffuser assembly with buoyancy vessel | — | 2011-09-06 |
| 7934704 | Retrievable diffuser module with internal ballast/buoyancy chamber | — | 2011-05-03 |