Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211052 | Aeroacoustic gas composition monitor | Eug Y. Kwack | 1993-05-18 |
| 5159843 | Acoustic device and method for measuring gas densities | Eug Y. Kwack, Lloyd Back | 1992-11-03 |
| 5062295 | Dual tube sonic level gage | Eug Y. Kwack | 1991-11-05 |
| 5002894 | Method for the determination of lignin content of a sample by flash pyrolysis in an atmosphere of hydrogen or helium and method therefor | Eug Y. Kwack, Daniel D. Lawson | 1991-03-26 |
| 4979820 | Apparatus for the remote detection of sounds caused by leaks | Vijayaraghavan Alwar | 1990-12-25 |
| 4915816 | Polymer hygrometer for harsh environments | Daniel D. Lawson, Shakkottai P. Venkateshan | 1990-04-10 |
| 4896540 | Aeroacoustic flowmeter | Eug Y. Kwack | 1990-01-30 |
| 4876889 | Acoustic humidity sensor | Eug Y. Kwack, Shakkottai P. Venkate-Shan | 1989-10-31 |
| 4762425 | System for temperature profile measurement in large furnances and kilns and method therefor | Shakkottai P. Venkateshan | 1988-08-09 |