Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671487 | Gate valve | Boris F. Bragin, Alexei F. Iljushin, Vladimir V. Kolosov, Mikhail A. Kulikov, Boris Z. Ryabenko +1 more | 1987-06-09 |
| 4635900 | Gate valve | Boris F. Bragin | 1987-01-13 |
| 4534540 | Gate valve | Boris F. Bragin, Alexandr S. Kolomiets, Jury B. Korotkikh, Evgeny P. Olofinsky, Petr V. Gladky +2 more | 1985-08-13 |
| 4506865 | Valve housing | Boris F. Bragin, Petr V. Gladky, Evgeny F. Perepletchikov, Isidor I. Frumin, Boris Y. Ekber | 1985-03-26 |
| 4505452 | Gate valve | Boris F. Bragin, Jury B. Korotkikh, Evgeny P. Olofinsky | 1985-03-19 |