Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10580636 | Ultrahigh resolution mass spectrometry using an electrostatic ion bottle with coupling to a quadrupole ion trap | John MacAskill | 2020-03-03 |
| 8116981 | Detector using mass spectroscopy for characterization of biological community | Murray Darrach, Roger G. Kern | 2012-02-14 |
| 7772550 | Electronic drive and acquisition system for mass spectrometry | Rembrandt Thomas Schaefer, Mohammad M. Mojarradi, Murray Darrach, John MacAskill, Tuan A. Tran +6 more | 2010-08-10 |
| 7332345 | Chemical sensor system | Murray Darrach | 2008-02-19 |
| 6583702 | Quadrupole mass spectrometer driver with higher signal levels | Dean Aalami, Murray Darrach, Otto J. Orient | 2003-06-24 |
| 6521898 | High-efficiency electron ionizer for a mass spectrometer array | Murray Darrach, Otto J. Orient | 2003-02-18 |
| 6469299 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Stephen D. Fuerstenau, Otto J. Orient, Karl Y. Yee, John T. Rice | 2002-10-22 |
| 6434031 | Driving a quadrupole mass spectrometer via an isolating stage | Dean Aalami, Murray Darrach, Otto J. Orient | 2002-08-13 |
| 6281494 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Michael H. Hecht, Otto J. Orient, Dean Wiberg, Reid A. Brennen | 2001-08-28 |
| 6271527 | High-efficiency electron ionizer for a mass spectrometer array | Murray Darrach, Otto J. Orient | 2001-08-07 |
| 6262416 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Stephen D. Fuerstenau, Otto J. Orient, Karl Y. Yee, John T. Rice | 2001-07-17 |
| 6205043 | Power supply with air core transformer and seperated power supplies for high dynamic range | Dean Aalami, Murray Darrach, Otto J. Orient | 2001-03-20 |
| 6188067 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Michael H. Hecht, Otto J. Orient, Dean Wiberg, Reid A. Brennen | 2001-02-13 |
| 6157029 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Michael H. Hecht, Otto J. Orient, Dean Wiberg, Reid A. Brennen | 2000-12-05 |
| 6072182 | High-efficiency electron ionizer for a mass spectrometer array | Murray Darrach, Otto J. Orient | 2000-06-06 |
| 6049052 | Miniature micromachined quadrupole mass spectrometer array and method of making the same | Stephen D. Fuerstenau, Otto J. Orient, Karl Y. Yee, John T. Rice | 2000-04-11 |
| 5726448 | Rotating field mass and velocity analyzer | Steven Smith | 1998-03-10 |
| 5719393 | Miniature quadrupole mass spectrometer array | Michael H. Hecht, Otto J. Orient | 1998-02-17 |
| 5670378 | Method for trace oxygen detection | Kin Fung Man, Said Boumsellek | 1997-09-23 |
| 5596193 | Miniature quadrupole mass spectrometer array | Michael H. Hecht, Otto J. Orient | 1997-01-21 |
| 5374828 | Electron reversal ionizer for detection of trace species using a spherical cathode | Said Boumsellek | 1994-12-20 |
| 5256874 | Gridded electron reversal ionizer | — | 1993-10-26 |
| 4933551 | Reversal electron attachment ionizer for detection of trace species | Mark T. Bernius | 1990-06-12 |
| 4902647 | Surface modification using low energy ground state ion beams | Michael H. Hecht, Otto J. Orient | 1990-02-20 |
| 4818868 | Trochoidal analysis of scattered electrons in a merged electron-ion beam geometry | — | 1989-04-04 |