Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156994 | Arc-plasma method for welding metals | Alexandr Ivanovich Apunevich | 2000-12-05 |
| 6087616 | Method for the plasmic arc-welding of metals | Alexandr Ivanovich Apunevich | 2000-07-11 |
| 5719370 | Electric arc plasma-steam torch | Alexandr Ivanovich Apunevich | 1998-02-17 |
| 5609777 | Electric-arc plasma steam torch | Alexandr Ivanovich Apunevich | 1997-03-11 |