Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410869 | Two-pin clapper check valve | Brian C. Witkowski | 2025-09-09 |
| 12320434 | Stabilized check valve | Brian C. Witkowski | 2025-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410869 | Two-pin clapper check valve | Brian C. Witkowski | 2025-09-09 |
| 12320434 | Stabilized check valve | Brian C. Witkowski | 2025-06-03 |