Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520477 | High pressure valve with multi-piece stator assembly | Quan Liu, Jeremy Hayes, Carl W. Sims, Mark Tschann | 2019-12-31 |
| 10113995 | Multi-position, micro-fluidic valve assembly with multiple radial grooves to enable individual or combined flows | Daniel M. Hartmann, Darren Lewis, Jim Smyth | 2018-10-30 |
| 10036736 | Liquid sampling valve | Michael Keller, Audrey Schrock, Carl W. Sims, Carl M. Servin | 2018-07-31 |
| 9739383 | Multi-path selector valve | James SMYTH | 2017-08-22 |
| 9032819 | Liquid sampling valve | Michael Keller, Audrey Schrock, Carl W. Sims, Carl M. Servin | 2015-05-19 |
| 7575723 | Mass rate attenuator | Marc Foster | 2009-08-18 |
| 7201185 | Coupled drive multi-position fluid valve apparatus and method | Carl H. Poppe, Carl M. Servin, Michael R. Straka | 2007-04-10 |
| 6890489 | Mass rate attenuator | Marc Foster | 2005-05-10 |
| 6672336 | Dual random access, three-way rotary valve apparatus | — | 2004-01-06 |
| 6453929 | Rotary wash valve | James E. Johnson, Neil R. Picha | 2002-09-24 |
| 6453946 | Long lifetime fluid switching valve | Burney L. Baron | 2002-09-24 |
| 6382035 | Multi-valving sample injection apparatus | — | 2002-05-07 |
| 6012488 | Segmenting valve | — | 2000-01-11 |