Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11726102 | Particle-based drug detection method and device embodiments | Brian H. Clowers, Nicholas Lovrich | 2023-08-15 |
| 10585066 | High accuracy ion mobility spectrometry | Brian Hauck, William F. Siems, Vincent McHugh, Charles S. Harden | 2020-03-10 |
| 10175196 | Hybrid ion mobility spectrometer | Samar K. Guharay | 2019-01-08 |
| 10126265 | Perturbation ion mobility mass spectrometry and the method of measuring ion mobility of selected ions | Wenjie Liu, William F. Siems | 2018-11-13 |
| 8812250 | Ion mobility spectrometry systems and associated methods of operation | Eric Davis | 2014-08-19 |
| 8716653 | Sample analysis and ion detection | Eric Davis, William F. Siems | 2014-05-06 |
| 7777180 | Ion mobility spectrometry method and apparatus | Maggie Tam | 2010-08-17 |
| 7560688 | Mass analysis of mobility selected ion populations | Brian H. Clowers, Prabha Dwivedi, Matthew Pollard | 2009-07-14 |
| 7414242 | Ion mobility spectrometry method and apparatus | Maggie Tam | 2008-08-19 |
| 7071465 | Ion mobility spectrometry method and apparatus | Maggie Tam | 2006-07-04 |
| PP15924 | Guzmania plant named ‘Holiday’ | — | 2005-08-16 |
| PP13679 | Guzmania plant named ‘Viola’ | — | 2003-03-25 |
| PP13654 | Guzmania plant named ‘Esquire’ | — | 2003-03-11 |
| PP12176 | Guzmania plant named `Anton` | — | 2001-10-30 |
| PP12081 | Guzmania plant named `Symfonie Encore` | — | 2001-09-11 |
| PP10787 | Guzmania plant named `Olympic` | — | 1999-02-09 |
| PP10059 | Guzmania plant named Fireworks | — | 1997-10-07 |
| PP9678 | Vriesea plant named Werner Rauh | — | 1996-10-29 |
| PP9670 | Guzmania plant named 487-1 | — | 1996-10-22 |
| PP8715 | Guzmania plant named Guinn | — | 1994-05-03 |
| PP8657 | Vriesea plant named June | — | 1994-03-22 |
| 4633083 | Chemical analysis by time dispersive ion spectrometry | Fritz J. Knorr, Randy L. Eatherton, William F. Siems | 1986-12-30 |