Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488953 | Multimode ionization source | Steven M. Fischer, James L. Bertsch | 2009-02-10 |
| 7309859 | Ion sampling for APPI mass spectrometry | Steven M. Fischer, Patricia H. Cormia, James L. Bertsch, Karl A. Hanold | 2007-12-18 |
| 7223968 | Multimode ionization mode separator | Steven M. Fischer, Patricia H. Cormia | 2007-05-29 |
| 7180059 | Apparatus and method for sensor control and feedback | Steven M. Fischer, Glen F. Ingle, Timothy Joyce | 2007-02-20 |
| 7091483 | Apparatus and method for sensor control and feedback | Steven M. Fischer, Glen F. Ingle, Timothy Joyce | 2006-08-15 |
| 7078681 | Multimode ionization source | Steven M. Fischer, James L. Bertsch | 2006-07-18 |
| 7034291 | Multimode ionization mode separator | Steven M. Fischer, Patricia H. Cormia | 2006-04-25 |
| 7002146 | Ion sampling for APPI mass spectrometry | Steven M. Fischer, Patricia H. Cormia, James L. Bertsch, Karl A. Hanold | 2006-02-21 |
| 6812459 | Ion sampling for APPI mass spectrometry | Steven M. Fischer, Patricia H. Cormia, James L. Bertsch | 2004-11-02 |
| 6653626 | Ion sampling for APPI mass spectrometry | Steven M. Fischer, Patricia H. Cormia, James L. Bertsch | 2003-11-25 |
| 6646256 | Atmospheric pressure photoionization source in mass spectrometry | Steven M. Fischer | 2003-11-11 |
| 6646257 | Multimode ionization source | Steven M. Fischer, James L. Bertsch | 2003-11-11 |
| 6032876 | Apparatus for forming liquid droplets having a mechanically fixed inner microtube | James L. Bertsch, Steven M. Fischer, Harvey D. Loucks, Jr., Hans Zimmerman | 2000-03-07 |
| 5868322 | Apparatus for forming liquid droplets having a mechanically fixed inner microtube | Harvey D. Loucks, Jr., Steven M. Fischer | 1999-02-09 |
| 5753910 | Angled chamber seal for atmospheric pressure ionization mass spectrometry | Eugene M. Wong, James L. Bertsch, Robert G. Nordman | 1998-05-19 |
| 5726447 | Ionization chamber and mass spectrometer having a corona needle which is externally removable from a closed ionization chamber | Edward Aisawa, James L. Bertsch, J. Michael Flanagan, Val C. Robinson, Joseph Vandenburg | 1998-03-10 |
| 5559326 | Self generating ion device for mass spectrometry of liquids | Paul C. Goodley, Steven M. Fischer | 1996-09-24 |