Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322262 | Bearing device for the threaded sleeve of a valve stem | Primo Lovisetto | 1994-06-21 |
| 5217205 | Housing seat for a gate valve | Primo Lovisetto | 1993-06-08 |
| 5188339 | Sheet metal housing for valves | Primo Lovisetto | 1993-02-23 |
| 5178365 | Shut off or control valve | Primo Lovisetto | 1993-01-12 |
| 5161780 | Spindle seal for a shutoff valve | Primo Lovisetto | 1992-11-10 |