Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851864 | Gravity-fed toilet with quiet siphonic flush | William Kuru | 2023-12-26 |
| 11739517 | Fluidics devices for plumbing fixtures | Clayton C. Garrels, William Kuru, Randal S. Graskamp | 2023-08-29 |
| 11560703 | Gravity-fed toilet with quiet siphonic flush | William Kuru | 2023-01-24 |