Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10580632 | In-situ conditioning in mass spectrometry systems | Harry F. Prest | 2020-03-03 |
| 9117617 | Axial magnetic ion source and related ionization methods | Harry F. Prest, Jeffrey T. Kernan | 2015-08-25 |
| 8084733 | Systems and methods for decreasing settling times in MS/MS | Frank Erich Kuhlmann | 2011-12-27 |
| 7638762 | Systems and methods for decreasing settling times in MS/MS | Frank Erich Kuhlmann | 2009-12-29 |
| 7633059 | Mass spectrometry system having ion deflector | Robert K. Crawford, Steven M. Fischer | 2009-12-15 |
| 7385190 | Reference mass introduction via a capillary | Steven M. Fischer, William Barry | 2008-06-10 |
| 7332715 | Atmospheric pressure ion source high pass ion filter | Steven M. Fischer, Robert K. Crawford | 2008-02-19 |
| 7166836 | Ion beam focusing device | Steven M. Fischer | 2007-01-23 |
| 7112786 | Atmospheric pressure ion source high pass ion filter | Steven M. Fischer, Robert K. Crawford | 2006-09-26 |
| 6797947 | Internal introduction of lock masses in mass spectrometer systems | Steven M. Fischer | 2004-09-28 |
| 6794643 | Multi-mode signal offset in time-of-flight mass spectrometry | William Frazer | 2004-09-21 |
| 6661003 | Dielectric capillary high pass ion filter | Steven M. Fischer, Robert K. Crawford | 2003-12-09 |
| 6649909 | Internal introduction of lock masses in mass spectrometer systems | Steven M. Fischer | 2003-11-18 |
| 6646258 | Concave electrode ion pipe | — | 2003-11-11 |
| 6593570 | Ion optic components for mass spectrometers | Gangqiang Li | 2003-07-15 |
| 6583407 | Method and apparatus for selective ion delivery using ion polarity independent control | Steven M. Fischer | 2003-06-24 |
| 6486469 | Dielectric capillary high pass ion filter | Steven M. Fischer, Robert K. Crawford | 2002-11-26 |
| 6417511 | Ring pole ion guide apparatus, systems and method | Steven M. Fischer | 2002-07-09 |
| 6153880 | Method and apparatus for performance improvement of mass spectrometers using dynamic ion optics | Jerry T. Dowell, Steven M. Fischer | 2000-11-28 |
| 6037587 | Chemical ionization source for mass spectrometry | Jerry T. Dowell, Jeffery S. Hollis | 2000-03-14 |
| 5298745 | Multilayer multipole | Jeffrey T. Kernan, Donald A. Johnson | 1994-03-29 |