Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813454 | Variably insulating portable heater/cooler | — | 1998-09-29 |
| 5643485 | Cooking utensil with improved heat retention | David K. Benson, Steven D. Burch | 1997-07-01 |
| 5562154 | Material-controlled dynamic vacuum insulation | David K. Benson | 1996-10-08 |
| 5477676 | Method and apparatus for thermal management of vehicle exhaust systems | David K. Benson | 1995-12-26 |
| 5433056 | Radiation-controlled dynamic vacuum insulation | David K. Benson | 1995-07-18 |
| 5318108 | Gas-controlled dynamic vacuum insulation with gas gate | David K. Benson | 1994-06-07 |
| 5175975 | Compact vacuum insulation | David K. Benson | 1993-01-05 |
| 5157893 | Compact vacuum insulation | David K. Benson | 1992-10-27 |
| 5107649 | Compact vacuum insulation embodiments | David K. Benson | 1992-04-28 |