Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425466 | Combination manway cover and emergency pressure relief apparatus | — | 1995-06-20 |
| 5372772 | Method for entombment of container in concrete | Thomas R. Lindquist | 1994-12-13 |
| 5234191 | Apparatus for forming a fluid containment vault | Thomas R. Lindquist | 1993-08-10 |
| 5174079 | Fluid containment vault with homogeneous concrete-entombed tank | Thomas R. Lindquist | 1992-12-29 |
| 5064155 | Tank stabilizer | Thomas R. Lindquist | 1991-11-12 |
| 4986436 | Above ground liquid storage system with overfill reservoir | Thomas R. Lindquist | 1991-01-22 |
| 4963082 | Apparatus for entombment of tanks in concrete | Thomas R. Lindquist | 1990-10-16 |
| 4931235 | Method for making steel/concrete tanks | Thomas Anthony Lindquist | 1990-06-05 |
| 4826644 | Method for entombment of tanks in concrete | Thomas R. Lindquist | 1989-05-02 |