Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10498208 | Lightweight return flux alternator | Kurt D. Annen, Richard N. Jorgenson | 2019-12-03 |
| 9696283 | Apparatus and methods for photoacoustic measurement of light absorption of particulate and gaseous species | Zhenhong Yu, William Brown, James William Assif | 2017-07-04 |
| 9574556 | Free piston pump and miniature internal combustion engine | Kurt D. Annen, Michael Agnese, David B. Stickler | 2017-02-21 |
| 8364430 | System and method for precision phase shift measurement | — | 2013-01-29 |
| 7301639 | System and method for trace species detection using cavity attenuated phase shift spectroscopy with an incoherent light source | Andrew John Freedman | 2007-11-27 |
| 6490043 | Polarimetric spectral intensity modulation spectropolarimeter | — | 2002-12-03 |
| 6349683 | Miniature generator | Kurt D. Annen, David B. Stickler | 2002-02-26 |
| 5818598 | Nondispersive optical monitor for nitrogen-oxygen compounds | — | 1998-10-06 |
| 5760895 | Optical monitor for water vapor concentration | — | 1998-06-02 |
| 5650845 | Optical oxygen concentration monitor | — | 1997-07-22 |
| 5567947 | Spectral line discriminator for passive detection of fluorescence | — | 1996-10-22 |
| 5291265 | Off-axis cavity absorption cell | — | 1994-03-01 |
| 5103453 | Method and means for controlling the frequency and power output of a tunable diode laser | Mark Stuart Zahniser | 1992-04-07 |
| 4605313 | Infrared detector for NDIR gas analysis | — | 1986-08-12 |
| 4397025 | Dual frequency laser | — | 1983-08-02 |