Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9804141 | Method for detecting organic and inorganic explosives | Guido Fridolin Verbeck, IV, David Rafferty, Michael Spencer | 2017-10-31 |
| 9599547 | Introducing an analyte into a chemical analyzer | David Rafferty, Michael Spencer, Pedro Ojeda, Thomas Bowden | 2017-03-21 |
| 9570282 | Ionization within ion trap using photoionization and electron ionization | Abrar Riaz, David Rafferty | 2017-02-14 |
| 9472388 | Mass dependent automatic gain control for mass spectrometer | David Rafferty, Michael Spencer | 2016-10-18 |
| 9451364 | Preconcentrating a sample in a preconcentrator evacuated to substantially the same pressure as an analytical device | David Rafferty, Michael Spencer, Pedro Ojeda | 2016-09-20 |
| 9312112 | Evacuating a sample chamber | David Rafferty, Michael Spencer, Pedro Ojeda | 2016-04-12 |
| 9299545 | Systems and methods for calibrating mass spectrometers | David Rafferty, Michael Spencer, Warren Mino | 2016-03-29 |
| 9196467 | Mass spectrum noise cancellation by alternating inverted synchronous RF | David Rafferty, David L. Gardner | 2015-11-24 |
| 9035244 | Automatic gain control with defocusing lens | David Rafferty, Michael Spencer, David L. Gardner, Warren Mino | 2015-05-19 |
| 8975573 | Systems and methods for calibrating mass spectrometers | David Rafferty, Michael Spencer, Warren Mino | 2015-03-10 |
| 8969794 | Mass dependent automatic gain control for mass spectrometer | David Rafferty, Michael Spencer | 2015-03-03 |
| 8784737 | Introducing an analyte into a chemical analyzer | David Rafferty, Michael Spencer, Pedro Ojeda, Thomas Bowden | 2014-07-22 |
| 6513939 | Micro-mirrors with variable focal length, and optical components comprising micro-mirrors | Heiko Fettig | 2003-02-04 |