Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264067 | Gasification of high-ash feedstock | Joachim Wolff, Thomas Von Kossak, Eduardo Ribeiro, Nan-I Liu, Steffen Jancker | 2025-04-01 |
| 11133170 | Atmospheric-pressure ionization and fragmentation of molecules for structural elucidation | Kelsey L. Williams, Gary M. Hieftje, Andrew J. Schwartz | 2021-09-28 |
| 10784097 | Atmospheric-pressure ionization and fragmentation of molecules for structural elucidation | Kelsey L. Williams, Gary M. Hieftje, Andrew J. Schwartz | 2020-09-22 |
| 9607306 | Ambient sampling mass spectrometry and chemometric analysis for screening encapsulated electronic and electrical components for counterfeits | Gary M. Hieftje, Steven J. Ray, Kevin P. Pfeuffer, Norris J Caldwell | 2017-03-28 |
| 8207494 | Laser ablation flowing atmospheric-pressure afterglow for ambient mass spectrometry | Gary M. Hieftje, Francisco Javier ANDRADE, Steven J. Ray | 2012-06-26 |
| 7893408 | Methods and apparatus for ionization and desorption using a glow discharge | Gary M. Hieftje, Steven J. Ray, Francisco Javier ANDRADE, William C. Wetzel, Michael R. Webb +1 more | 2011-02-22 |