Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811758 | Under floor heating system of a heat accumulating type and a method for storing thermal energy | — | 1998-09-22 |
| 5038850 | Cooling and heat accumulating type electric cooling and heating system and a method for implementing the same | — | 1991-08-13 |
| 4962884 | Heat accumulating type electric underfloor heating system having upper and lower cavities and a method for heating the same | — | 1990-10-16 |
| 4896831 | Underfloor heating system and method for heating the same | — | 1990-01-30 |