Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9778110 | Self-referencing cavity enhanced spectroscopy (SRCES) systems and methods | Sze Meng Tan, Yonggang He | 2017-10-03 |
| 9739758 | Methods for gas leak detection and localization in populated areas using isotope ratio measurements | Eric R. Crosson, Michael R. Woelk, Sze Meng Tan, Yonggang He, David Steele | 2017-08-22 |
| 9719879 | Gas detection systems and methods with search directions | Sze Meng Tan, Eric R. Crosson | 2017-08-01 |
| 9696245 | Leak position estimation method using wind direction and correlation measurements at isolated spatial points in a plume | — | 2017-07-04 |
| 9645077 | Spectroscopic quantification of extremely rare molecular species in the presence of interfering optical absorption | Ted Ognibene, Graham Bench, Alan Daniel McCartt, Kenneth W. Turteltaub, Sze Meng Tan +3 more | 2017-05-09 |
| 9645039 | Survey area indicators for gas leak detection | Sze Meng Tan | 2017-05-09 |
| 9618417 | Methods for gas leak detection and localization in populated areas using isotope ratio measurements | Eric R. Crosson, Michael R. Woelk, Sze Meng Tan | 2017-04-11 |
| 9606029 | Leak distance estimation method using correlation measurements at isolated spatial points in a plume | — | 2017-03-28 |
| 9599529 | Systems and methods for likelihood-based mapping of areas surveyed for gas leaks using mobile survey equipment | David Steele, Sze Meng Tan | 2017-03-21 |
| 9599597 | Systems and methods for likelihood-based detection of gas leaks using mobile survey equipment | David Steele, Sze Meng Tan | 2017-03-21 |
| 9557240 | Gas detection systems and methods using search area indicators | Sze Meng Tan, Eric R. Crosson | 2017-01-31 |
| 9500556 | Methods for gas leak detection and localization in populated areas using multi-point analysis | Eric R. Crosson, Sze Meng Tan | 2016-11-22 |
| 9482591 | Methods for gas leak detection and localization in populated areas using horizontal analysis | Eric R. Crosson, Michael R. Woelk, Sze Meng Tan | 2016-11-01 |
| 9470517 | Plume estimation using correlation measurements at isolated spatial points | — | 2016-10-18 |
| 9322735 | Systems and methods for determining a gas leak detection survey area boundary | Sze Meng Tan | 2016-04-26 |
| 9310346 | Methods for rapid gas sampling with high horizontal spatial resolution in a manner suitable for subsequent constituent gas analysis | Pieter P. Tans | 2016-04-12 |
| 9274031 | Gas analysis system providing simultaneous analysis and multi-point sample acquisition | — | 2016-03-01 |
| 9267880 | Ring-down binning in FSR hopping mode | Sze Meng Tan, John A. Hoffnagle | 2016-02-23 |
| 8982352 | Regular, stable optical frequency scale for cavity enhanced optical spectroscopy | John A. Hoffnagle, Sze Meng Tan | 2015-03-17 |
| 7173754 | Frequency conversion efficiency | Konstantin Vodopyanov, Bruce Richman | 2007-02-06 |
| 7035298 | Frequency conversion efficiency | Konstantin Vodopyanov, Bruce Richman | 2006-04-25 |
| 6982999 | Multipass second harmonic generation | Bruce Richman, Konstantin Vodopyanov | 2006-01-03 |
| 6970484 | Laser tuning by spectrally dependent spatial filtering | Barbara Paldus, Jinchun Xie, Robert Lodenkamper, David M. Adams, Eric R. Crosson +3 more | 2005-11-29 |
| 6959024 | Laser Tuning by spectrally dependent spatial filtering | Barbara Paldus, Jinchun Xie, Robert Lodenkamper, David M. Adams, Eric R. Crosson +4 more | 2005-10-25 |
| 6859284 | Apparatus and method for determining wavelength from coarse and fine measurements | Alexander Katchanov | 2005-02-22 |