Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080785 | Chromatographic system | John N. Jones | 1992-01-14 |
| 5071562 | Chromatographic system with mixer | John N. Jones | 1991-12-10 |
| 5040126 | Method for predicting steady-state conditions | — | 1991-08-13 |
| 4986919 | Chromatographic pumping method | — | 1991-01-22 |
| 4981597 | Gradient system | Daniel G. Jameson | 1991-01-01 |
| 4966696 | Method of making a frit | Abolghassem Y. Tehrani, John N. Jones | 1990-10-30 |
| 4964533 | Pumping system | Jon L. Curran, Jerold B. Schmidt | 1990-10-23 |
| 4933825 | Power supply | Larry J. Friling | 1990-06-12 |
| 4911837 | Apparatus for reducing tailing in a liquid chromatograph | Yoossef Tehrani, John N. Jones | 1990-03-27 |
| 4882063 | Chromatographic system | John N. Jones | 1989-11-21 |
| 4882781 | Method for predicting steady-state conditions | — | 1989-11-21 |
| 4869374 | Chromatographic pumping system | — | 1989-09-26 |
| 4863592 | Apparatus for reducing tailing in a liquid chromatograph | Abolghassem Y. Tehrani, John N. Jones | 1989-09-05 |
| 4809123 | Ground fault detector for high-voltage DC power supplies | Larry J. Friling | 1989-02-28 |
| 4781824 | Apparatus for liquid chromatography | — | 1988-11-01 |
| 4781464 | Gel scanner | Wylee D. Brunken, Lawrence L. Sedlak | 1988-11-01 |
| 4775481 | Apparatus and method for liquid chromatography | — | 1988-10-04 |
| 4772388 | Apparatus for liquid chromatography | — | 1988-09-20 |
| 4769153 | Apparatus and method for liquid chromatography | — | 1988-09-06 |
| 4765890 | Apparatus for reducing tailing in a liquid chromatograph | Abolghassem Y. Tehrani, John N. Jones | 1988-08-23 |
| 4759843 | Apparatus for reducing tailing in a liquid chromatograph | Abolghassem Y. Tehrani, John N. Jones | 1988-07-26 |
| 4733152 | Feedback system | — | 1988-03-22 |
| 4726680 | Absorbance monitor | — | 1988-02-23 |
| 4709190 | Method for operating an absorbance monitor | — | 1987-11-24 |
| 4673334 | Peristaltic pump | John D. Hull | 1987-06-16 |