Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018369 | Air curtain device | — | 2018-07-10 |
| 8251406 | Discharge elbow provided with guide vanes | — | 2012-08-28 |
| 6361431 | Method for ventilating an internal space by rotating air flow | — | 2002-03-26 |
| 6290266 | Suction elbow provided with built-in guide blades | — | 2001-09-18 |
| 5531484 | Elbow provided with guide vanes | — | 1996-07-02 |