Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671975 | Compliant-seal check valve | Christopher B. Charlton, Theodore A. Dourdeville | 2014-03-18 |
| 8640730 | Variable resistance fluid controller | Christopher C. Charlton | 2014-02-04 |
| 8173070 | Sample injector system for liquid chromatography | James W. Jorgenson, Keith Fadgen | 2012-05-08 |
| 7909367 | Capillary interconnection fitting and method of holding capillary tubing | Kenneth R. Plant, Sylvain Cormier | 2011-03-22 |
| 7841190 | Freeze-thaw valve that self-limits cryogenic agent usage | Theodore A. Dourdeville | 2010-11-30 |
| 7674375 | Closed loop flow control of a HPLC constant flow pump to enable low-flow operation | Joseph A. Luongo | 2010-03-09 |
| 7332087 | Flow sensing apparatus used to monitor/provide feedback to a split flow pumping system | Keith Fadgen | 2008-02-19 |
| 7311502 | Method for using a hydraulic amplifier pump in ultrahigh pressure liquid chromatography | Bruce J. Compton | 2007-12-25 |
| 7204264 | High pressure capillary micro-fluidic valve device and a method of fabricating same | Robert W. Crocker, Pamela F. Caton | 2007-04-17 |
| 7186336 | Flow sensing apparatus | Joseph A. Luongo | 2007-03-06 |
| 7059185 | System and method of measuring convection induced impedance gradients to determine liquid flow rates | Keith Fadgen | 2006-06-13 |
| 6962077 | System and method of measuring convection induced impedance gradients to determine liquid flow rates | Keith Fadgen | 2005-11-08 |
| 6712587 | Hydraulic amplifier pump for use in ultrahigh pressure liquid chromatography | Bruce J. Compton | 2004-03-30 |
| 6557575 | Fluid flow control freeze/thaw valve for narrow bore capillaries or microfluidic devices | Edouard S. P. Bouvier, Theodore A. Dourdeville | 2003-05-06 |
| 6413398 | Method for electrochemical detection | Richard Murray Cassidy, Andrzej Baranski | 2002-07-02 |