Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998608 | FAIMS with non-destructive detection of selectively transmitted ions | Randy Purves, David Barnett | 2006-02-14 |
| 6987262 | FAIMS apparatus and method for detecting trace amounts of a vapour in a carrier gas | — | 2006-01-17 |
| 6917036 | FAIMS with non-destructive detection of selectively transmitted ions | Randy Purves, David Barnett | 2005-07-12 |
| 6831271 | Method for separation and enrichment of isotopes in gaseous phase | Randy Purves, David Barnett | 2004-12-14 |
| 6825461 | FAIMS apparatus and method with ion diverting device | Randy Purves | 2004-11-30 |
| 6822224 | Tandem high field asymmetric waveform ion mobility spectrometry (FAIMS)tandem mass spectrometry | — | 2004-11-23 |
| 6806466 | Parallel plate geometry FAIMS apparatus and method | Randy Purves | 2004-10-19 |
| 6799355 | Apparatus and method for tandem ICP/FAIMS/MS | Randy Purves, David Barnett, Gholamreza Javahery, William R. Stott | 2004-10-05 |
| 6787765 | FAIMS with non-destructive detection of selectively transmitted ions | Randy Purves, David Barnett | 2004-09-07 |
| 6774360 | FAIMS apparatus and method using carrier gas of mixed composition | Randy Purves, David Barnett | 2004-08-10 |
| 6770875 | Apparatus and method for desolvating and focussing ions for introduction into a mass spectrometer | Randy Purves | 2004-08-03 |
| 6753522 | FAIMS apparatus having plural ion inlets and method therefore | Randy Purves, David Barnett | 2004-06-22 |
| 6713758 | Spherical side-to-side FAIMS | Randy Purves, David Barnett | 2004-03-30 |
| 6703609 | Tandem FAIMS/ion-trapping apparatus and method | Randy Purves, David Barnett | 2004-03-09 |
| 6653627 | FAIMS apparatus and method with laser-based ionization source | Randy Purves, David Barnett | 2003-11-25 |
| 6639212 | Method for separation of isomers and different conformations of ions in gaseous phase | Randy Purves, David Barnett | 2003-10-28 |
| 6621077 | Apparatus and method for atmospheric pressure-3-dimensional ion trapping | Randy Purves | 2003-09-16 |
| 6504149 | Apparatus and method for desolvating and focussing ions for introduction into a mass spectrometer | Randy Purves | 2003-01-07 |
| 5286451 | Apparatus for controlled delivery of particulate material | K. Nimalasiri De Silva | 1994-02-15 |
| 5256374 | Sample introduction for spectrometers | K. Nimalasiri De Silva | 1993-10-26 |
| 4836039 | Method and apparatus for introduction of a particulate sample for analysis | K. Nimalasiri De Silva | 1989-06-06 |