Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270585 | Dome-loaded back pressure regulator with setpoint pressure energized by process fluid | Ryan Matthew Heffner, Eugene Charles Jansen | 2025-04-08 |
| 12253182 | Valve for single-use applications | Ryan Matthew Heffner, David A. Reed, Tony Boyd Tang | 2025-03-18 |
| 12018762 | Mechanical valve for pressure control | Zachary Cobb, Ryan Matthew Heffner | 2024-06-25 |
| 11448327 | Valve for single-use applications | Ryan Matthew Heffner, David A. Reed, Tony Boyd Tang | 2022-09-20 |
| 11193703 | Dome-loaded back pressure regulator with setpoint pressure energized by process fluid | Ryan Matthew Heffner, Eugene Charles Jansen | 2021-12-07 |
| 10065008 | Discreet respiratory therapy system | Christopher Samuel Cullen, Damien Julian Mazzone, Muditha Pradeep Dantanarayana, Tumul Gupta, Joseph M. DeBono +4 more | 2018-09-04 |
| 9447890 | Back pressure regulator with floating seal support | Tony Boyd Tang, Keith A. Roberts | 2016-09-20 |
| 8460784 | Digital image transfer belt and method of making | Allen T. Shannon, Richard Czerner | 2013-06-11 |
| 8215336 | Fluid balancing relief valve with grooved process surface | — | 2012-07-10 |
| 7673650 | Sensitive fluid balancing relief valve | — | 2010-03-09 |
| 7673846 | Tube configured pressure regulating valve | Franz W. Kellar, Donald G. Faulkner | 2010-03-09 |
| 7080660 | Sensitive fluid balancing relief valve | — | 2006-07-25 |