Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10068753 | Systems and methods for identifying precursor ions from product ions using arbitrary transmission windowing | Nic G. Bloomfield | 2018-09-04 |
| 9768009 | Systems and methods for arbitrary quadrupole transmission windowing | James Hager, Nic G. Bloomfield | 2017-09-19 |
| 9472387 | Systems and methods for identifying precursor ions from product ions using arbitrary transmission windowing | Nic G. Bloomfield | 2016-10-18 |
| 8766170 | Method of operating tandem ion traps | Mircea Guna | 2014-07-01 |
| 8008618 | Multipole ion guide for providing an axial electric field whose strength increases with radial position, and a method of operating a multipole ion guide having such an axial electric field | — | 2011-08-30 |
| 7709785 | Method and apparatus for mass selective axial transport using quadrupolar DC | Charles Jolliffe, Alexandre Loboda | 2010-05-04 |
| 7541579 | Linear quadrupoles with added hexapole fields and method of building and operating same | Nikolai Konenkov, Chuanfan Ding, Donald J. Douglas | 2009-06-02 |
| 7365319 | Method for providing barrier fields at the entrance and exit end of a mass spectrometer | James Hager | 2008-04-29 |
| 7227130 | Method for providing barrier fields at the entrance and exit end of a mass spectrometer | James Hager | 2007-06-05 |
| 7084398 | Method and apparatus for selective axial ejection | Alexander V. Loboda | 2006-08-01 |
| 7019290 | System and method for modifying the fringing fields of a radio frequency multipole | James Hager | 2006-03-28 |
| 6815673 | Use of notched broadband waveforms in a linear ion trap | Jeffry B. Plomley | 2004-11-09 |
| 5397894 | Method of high mass resolution scanning of an ion trap mass spectrometer | Gregory J. Wells, Edward Marquette, Raymond E. March | 1995-03-14 |
| 5378891 | Method for selective collisional dissociation using border effect excitation with prior cooling time control | Raymond E. March, Silvia Catinella | 1995-01-03 |