Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471867 | Inventory reconciliation for above ground storage tanks | Glenn A. Kauffman, Barry N. Williams | 1995-12-05 |
| 5461906 | Apparatus for confirming the presence of a leak in a liquid storage tank | Tom G. Bogle, Barry N. Williams | 1995-10-31 |
| 5347850 | Method for detecting and localizing leaks in above ground storage tanks | — | 1994-09-20 |
| 5340238 | Method and apparatus for testing above ground liquid storage tanks for leaks | — | 1994-08-23 |
| 5319956 | Method of confirming the presence of a leak in a liquid storage tank | Tom G. Bogle, Barry N. Williams | 1994-06-14 |
| 5293681 | Roll-up striker plate for underground storage tanks | — | 1994-03-15 |
| 5220822 | Method for testing vapor recovery lines | — | 1993-06-22 |
| 5156047 | Water sensor that detects tanks or vessel leakage | Barry N. Williams, Tommy G. Bogle | 1992-10-20 |
| 5140753 | Inclinometer for underground storage tanks | — | 1992-08-25 |
| 5092158 | Apparatus for testing leak detectors | Barry N. Williams | 1992-03-03 |