Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700120 | Method for improving signal-to-noise ratios for atmospheric pressure ionization mass spectrometry | — | 2004-03-02 |
| 6627876 | Method of reducing space charge in a linear ion trap mass spectrometer | — | 2003-09-30 |
| 6504148 | Quadrupole mass spectrometer with ION traps to enhance sensitivity | — | 2003-01-07 |
| 6194717 | Quadrupole mass analyzer and method of operation in RF only mode to reduce background signal | — | 2001-02-27 |
| 6177668 | Axial ejection in a multipole mass spectrometer | — | 2001-01-23 |
| 6028308 | Resolving RF mass spectrometer | — | 2000-02-22 |
| 6015972 | Boundary activated dissociation in rod-type mass spectrometer | — | 2000-01-18 |
| 5998787 | Method of operating a mass spectrometer including a low level resolving DC input to improve signal to noise ratio | — | 1999-12-07 |
| 5248875 | Method for increased resolution in tandem mass spectrometry | Donald J. Douglas, Bruce Thomson, Jay Corr | 1993-09-28 |
| D314790 | Envelope | — | 1991-02-19 |