Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142017 | Hydrostatic pressure equalizer apparatus and system | — | 2000-11-07 |
| 5447063 | Liquid density monitoring apparatus | — | 1995-09-05 |
| 5315876 | Purge gas pressure monitoring system | Ralph A. Loh | 1994-05-31 |
| 5279161 | Purge gas pressure monitoring system with temperature compensation | Ralph A. Loh | 1994-01-18 |
| 5105897 | Reinforced base assembly for beam balance instrument | — | 1992-04-21 |
| 5005408 | Gas weights compensation method for liquid depth gauging system | — | 1991-04-09 |