Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593868 | Horizontal ground-coupled heat exchanger for geothermal systems | Vladimir Entin, Vladimir Kominar | 2017-03-14 |
| 7288749 | Electrical heating device and method of its manufacture | Vladimir Kominar, Igor Isakovich Papirov | 2007-10-30 |
| 6353707 | Electric heating ribbon with multiple coating sections attached to ribbon | Igor Isakovich Papirov | 2002-03-05 |