Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671342 | Method of and apparatus for casting metals under pressure | Angel Tonchev Balevski, Emil Nikolov Momchilov, Rumen D. Bachvarov, Vassil N. Ostrovski, Alexander S. Nikolchov +3 more | 1987-06-09 |
| 4616808 | Apparatus for the treatment and casting of metals and alloys in a closed space | by Vassilka P. Dimova, heir, Dobromir I. Dimov, heir, Petar I. Dimov, heir, Marin I. Marinov, Ivan M. Peytchev +2 more | 1986-10-14 |
| 4550763 | Method and machine for pressure diecasting | — | 1985-11-05 |
| 4253868 | Apparatus for nitriding metal materials and ferroalloys under pressure | Tzolo V. Rashev, Iliya G. Chorbov, Ivan M. Peychev, Hristo G. Penchev, Marin I. Marinov +1 more | 1981-03-03 |
| 4231416 | Apparatus for casting metals and other materials under pressure | Iliya G. Chorbov, Ivan M. Peychev | 1980-11-04 |
| 4227033 | Induction crucible furnace | Pavel M. Minchev, Marin A. Dimitrov, Assen P. Georgiev, Iliya G. Chorbov | 1980-10-07 |