Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608304 | Automatic background ejection (ABE) | Thomas Knudsen | 2003-08-19 |
| 6498344 | Triode ion pump | — | 2002-12-24 |
| 6355929 | Method for forming a seat in a pulsed sampling valve | W. Peter Schubert | 2002-03-12 |
| 6255648 | Programmed electron flux | Robert W. Arnold | 2001-07-03 |
| 6232599 | Ion pump relay control | — | 2001-05-15 |
| 6225624 | Precision pressure monitor | Robert W. Arnold | 2001-05-01 |
| 6121609 | Pulsed mass spectrometer leak valve with controlled energy closure | — | 2000-09-19 |
| 5233190 | Fourier transform molecular spectrometer | Fritz H. Schlereth, James E. Phillips | 1993-08-03 |
| 4739165 | Mass spectrometer with remote ion source | Sahba Ghaderi, Othman Vosburger, Juda L. Shohet | 1988-04-19 |
| 4668864 | Mass spectrometer | Sahba Ghaderi | 1987-05-26 |
| 4588888 | Mass spectrometer having magnetic trapping | Sahba Ghaderi, Juda L. Shohet | 1986-05-13 |
| 4581533 | Mass spectrometer and method | Sahba Ghaderi | 1986-04-08 |