Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360093 | Method and apparatus for pulse gas delivery with concentration measurement | Hongke Ye, Junhua Ding | 2025-07-15 |
| 11513108 | Method and apparatus for pulse gas delivery with concentration measurement | Jim Ye, Junhua Ding | 2022-11-29 |
| 9958380 | Systems, methods, and apparatus for optical hydrocarbon gas composition monitoring | — | 2018-05-01 |
| 9739708 | Systems and methods for pressure differential molecular spectroscopy of compressible fluids | — | 2017-08-22 |
| 9651422 | Multiplex tunable filter spectrometer | — | 2017-05-16 |
| 9488570 | Systems and methods for pressure differential molecular spectroscopy of compressible fluids | — | 2016-11-08 |
| 9372152 | Method and apparatus for siloxane measurements in a biogas | Charles Mark Phillips, Barbara Marshik-Geurts, Leonard I. Kamlet, Martin L. Spartz | 2016-06-21 |
| 9250132 | Methods and systems for chemical composition measurement and monitoring using a rotating filter spectrometer | David Bonyuet | 2016-02-02 |
| 9001335 | Method and apparatus for siloxane measurements in a biogas | Charles Mark Phillips, Barbara Marshik-Geurts, Leonard I. Kamlet, Martin L. Spartz | 2015-04-07 |
| 8896839 | Multiplex tunable filter spectrometer | — | 2014-11-25 |
| 8502981 | Methods and systems for chemical composition measurement and monitoring using a rotating filter spectrometer | David Bonyuet | 2013-08-06 |
| 8462347 | Method and apparatus for siloxane measurements in a biogas | Charles Mark Phillips, Barbara Marshik-Geurts, Leonard I. Kamlet, Martin L. Spartz | 2013-06-11 |
| 8184293 | Methods and systems for chemical composition measurement and monitoring using a rotating filter spectrometer | David Bonyuet | 2012-05-22 |
| 7595887 | Multigas monitoring and detection system | Martin L. Spartz | 2009-09-29 |
| 7372573 | Multigas monitoring and detection system | Martin L. Spartz | 2008-05-13 |
| 7099003 | Spectroscopic systems and methods | Kamal Youcef-Toumi | 2006-08-29 |