Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808860 | Latching pneumatic control valve | Eric P. Janssen, Kevin C. Williams | 2020-10-20 |
| 10731677 | Pneumatic control valve manifold | Matthew Neff, Jeffrey Simmonds | 2020-08-04 |
| 10578226 | Valve with two-piece adjustable can with integral pole piece | — | 2020-03-03 |
| 9395010 | Multi-port modular valve with snap-in seat | Jeffrey Simmonds, Kevin C. Williams | 2016-07-19 |
| 9074699 | Multi-port normally open modular valve with thread-in seat | Jeffrey Simmonds | 2015-07-07 |
| 8783653 | Multi-port modular valve with snap-in seat | Jeffrey Simmonds, Kevin C. Williams | 2014-07-22 |
| 5025887 | Sanitary acoustic horn | — | 1991-06-25 |
| 4865159 | Acoustic horn and attachment device | — | 1989-09-12 |