| 10711915 |
Pilot actuated control pilot for operating valve |
Matthew Neff, Jeff Simmonds, Eric P. Janssen, Joseph Richardson |
2020-07-14 |
| 9903395 |
Proportional pressure controller with isolation valve assembly |
Matthew Neff, Kevin C. Williams, Joseph Richardson |
2018-02-27 |
| 9010373 |
Pressure balanced valve with diaphragm valve member end seal |
Jeffrey Simmonds |
2015-04-21 |
| 8453678 |
Piloted poppet valve |
Jeffrey Simmonds |
2013-06-04 |
| 8167000 |
Balanced solenoid valve |
Jeffrey Simmonds, Eric P. Janssen |
2012-05-01 |
| 8151824 |
Balanced solenoid valve |
Kevin C. Williams, Jeffrey Simmonds |
2012-04-10 |
| 7735518 |
Valve assembly with dual actuation solenoids |
Kevin C. Williams |
2010-06-15 |
| 7210501 |
Directly operated pneumatic valve having a differential assist return |
Eric P. Janssen, Lynn R Long |
2007-05-01 |
| 7036522 |
Solenoid actuated pneumatic valve with an integrated pass-through and a quick mount body |
Kevin C. Williams |
2006-05-02 |
| 6772791 |
Directly operated pneumatic valve having an air assist return |
— |
2004-08-10 |
| 6637451 |
Pneumatic pressure regulator assembly |
Jeffrey Simmonds |
2003-10-28 |
| 5032704 |
Multi-pressure control system |
Todd C. Voelker |
1991-07-16 |