Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458130 | Closed loop vacuum cleaner | Eugene Finkel | 2008-12-02 |
| 6200361 | Multi-stage cyclone system for cleaning air | — | 2001-03-13 |
| 5908493 | Filtering system for cleaning air | — | 1999-06-01 |
| 5823354 | Method and apparatus for the separation and sorting of non-ferrous materials | Alexander Elkind, James W. Macfarlane, Victor N. Tisenko, German Abramovich Shneerson, Vyacheslav S. Korolev +3 more | 1998-10-20 |
| 5511403 | Apparatus and method for magnetically applying a lubricant | — | 1996-04-30 |