Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8413638 | Directly actuated valve with a strain-type actuator and a method of operating same | David Mumford, Alan B. Welch, Alain M. J. Touchette, Richard Wing | 2013-04-09 |
| 6584958 | Directly actuated injection valve with a ferromagnetic needle | Irawan Rahardja | 2003-07-01 |
| 6575138 | Directly actuated injection valve | Alan B. Welch, Irawan Rahardja | 2003-06-10 |
| 6564777 | Directly actuated injection valve with a composite needle | Irawan Rahardja | 2003-05-20 |
| 6298829 | Directly actuated injection valve | Alan B. Welch, Irawan Rahardja | 2001-10-09 |