Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555804 | Liquid chromatography thermal system with thermal status detection | David A. Simpson, Cameron Chaput | 2023-01-17 |
| 9523662 | Coordinating injector-valve switching with pump-stroke timing to mitigate effects of pressure pulses | John Heden, John Lamoureux, Guo-Zhong Li | 2016-12-20 |
| 9519291 | Coordination of solvent delivery with pre-injection operations in a liquid chromatograph | John Heden, John Lamoureux, Guo-Zhong Li | 2016-12-13 |
| 9289768 | Apparatus for reducing variation in sample temperatures in a liquid chromatography system | Joshua A. Shreve, James E. Usowicz | 2016-03-22 |
| 8312762 | Device and methods for reducing pressure and flow perturbations in a chromatographic system | Keith Fadgen, James E. Usowicz | 2012-11-20 |
| 8160751 | Devices, systems and methods for flow-compensating pump-injector synchronization | Stanley P. Pensak, JR., John Heden, Steven J. Ciavarini, John Lamoureux | 2012-04-17 |
| 7917250 | Devices, systems and methods for flow-compensating pump-injector synchronization | Stanley P. Pensak, JR., John Heden, Steven J. Ciavarini, John Lamoureux | 2011-03-29 |
| 7596988 | High performance liquid chromatography sample introduction optimized with bubble detection | James E. Usowicz, Peyton C. Beals, Russell Keene, Richard Kent, John Heden | 2009-10-06 |