Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929812 | Method for electrical arc spot welding with consumable electrode | Vladimir Z. Abudardin | 1990-05-29 |
| 4902873 | Method of electric arc welding | — | 1990-02-20 |
| 4806722 | Swivel-head welding torch for gas-shielded nonconsumable-electrode arc welding | — | 1989-02-21 |
| 4307281 | Method of arc welding | Vyacheslav N. Matveev, Nikolai A. Eroshkin, deceased, by Valeriya I. Eroshkina, administrator, by Andrei N. Eroshkin, administrator, by Mariya I. Eroshkina, administrator | 1981-12-22 |
| 4187410 | Method of multi-pass narrow groove arc welding | Nikolai A. Eroshkin, deceased, Vyacheslav N. Matveev, Anatoly Sergienko | 1980-02-05 |