Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781384 | Enhancing the stability of electrical discharges | Robert P. Rhodes | 2004-08-24 |
| 6593567 | Ion mobility spectrometer having extended linear dynamic range | — | 2003-07-15 |
| 6531877 | Miniaturized glow discharge electron capture detector | — | 2003-03-11 |
| 6497138 | Multilayered gas chromatograph | Carl A. Myerholtz | 2002-12-24 |
| 6490938 | Internally purged gas injector | — | 2002-12-10 |
| 6448777 | Hermetically-sealed miniaturized discharge ionization detector | Andrew M. E. Warchol, James W. Baker | 2002-09-10 |
| 6248158 | Oven housing module in an analytical instrument | Roger Firor | 2001-06-19 |
| 6207049 | Multichannel capillary column | — | 2001-03-27 |
| 6163031 | Ionization detector system having linearized output signal | — | 2000-12-19 |
| 6156103 | Discharge gas purification system | — | 2000-12-05 |
| 6107805 | Extended detection zone in an ionization detector | — | 2000-08-22 |
| 6037179 | Method and apparatus for suppression of analyte diffusion in an ionization detector | — | 2000-03-14 |
| 5948141 | Method and apparatus for purification of a discharge gas | — | 1999-09-07 |
| 5920072 | Ionization detector | — | 1999-07-06 |
| 5889404 | Discharge ionization detector having efficient transfer of metastables for ionization of sample molecules | William H. Wilson | 1999-03-30 |
| 5804828 | Method and apparatus for optimizing the sensitivity and linearity of an electron capture detector | — | 1998-09-08 |
| 5760291 | Method and apparatus for mixing column effluent and make-up gas in an electron capture detector | — | 1998-06-02 |
| 5739699 | Method and apparatus for ion discrimination in an electron capture detector | — | 1998-04-14 |
| 5108264 | Method and apparatus for real time compensation of fluid compressibility in high pressure reciprocating pumps | — | 1992-04-28 |
| 5035138 | Mass flow sensor having wide dynamic range | — | 1991-07-30 |