Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8841608 | Method for enhancing the resolving power of ion mobility separations over a limited mobility range | Keqi Tang, Richard D. Smith | 2014-09-23 |
| 8299443 | Microchip and wedge ion funnels and planar ion beam analyzers using same | Gordon A. Anderson, Richard D. Smith | 2012-10-30 |
| 8263930 | Platform for field asymmetric waveform ion mobility spectrometry with ion propulsion modes employing gas flow and electric field | Keqi Tang, Richard D. Smith | 2012-09-11 |
| 7684934 | Pattern recognition of whole cell mass spectra | Jon G. Wilkes, Paul Chiarelli, Ricky Holland, Dan A. Buzatu, Michael A. Beaudoin | 2010-03-23 |
| 7491930 | Hooked differential mobility spectrometry apparatus and method therefore | Keqi Tang, Yehia M. Ibrahim, Richard D. Smith | 2009-02-17 |
| 7449683 | Method and apparatus for high-order differential mobility separations | Richard D. Smith, Gordon A. Anderson | 2008-11-11 |
| 7339166 | Interface and process for enhanced transmission of non-circular ion beams between stages at unequal pressure | Keqi Tang, Richard D. Smith | 2008-03-04 |
| 7170053 | Method and apparatus for ion mobility spectrometry with alignment of dipole direction (IMS-ADD) | Keqi Tang, Richard D. Smith | 2007-01-30 |
| 7148474 | Device for two-dimensional gas-phase separation and characterization of ion mixtures | Keqi Tang, Richard D. Smith | 2006-12-12 |
| 6967325 | High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel | Richard D. Smith, Keqi Tang | 2005-11-22 |
| 6818890 | High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel | Richard D. Smith, Keqi Tang | 2004-11-16 |