Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875098 | Centrifugal separator for cleaning of gas | Ingvar Hallgren, Thomas Eliasson | 2011-01-25 |
| 7156901 | Apparatus for simultaneous cleaning of a liquid and a gas | Ingvar Hallgren, Rolf Ljungtström | 2007-01-02 |
| 7081146 | Apparatus for simultaneous cleaning of a liquid and a gas | Ingvar Hallgren, Rolf Ljungtström | 2006-07-25 |
| 7052529 | Method and a device for cleaning of crankcase gases coming from an internal combustion engine adapted for propelling a means of transportation | Peter Franzen, Ingvar Hallgren | 2006-05-30 |
| 6312372 | Outlet of a centrifugal separator having a reaction driven rotor | Ingvar Hallgren | 2001-11-06 |
| 6200252 | Reaction-driven centrifugal rotor with outlet chamber entrainment members | Ingvar Hallgren, Hans Moberg | 2001-03-13 |
| 6183407 | Centrifugal separator having axially-extending, angled separation discs | Ingvar Hallgren, Thomas Davidsson, Hans Moberg | 2001-02-06 |