Ingvar Hallgren
18Patents
9h-index
18Co-inventors
69Inventor score
Filing activity: May 28, 1999 → Jul 11, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6183407A | Centrifugal separator having axially-extending, angled separation discs | Performing Operations; Transporting | 52 | Expired |
| US7056363B2 | Centrifugal separator for cleaning of a fluid | Performing Operations; Transporting | 33 | Expired |
| US7033411B2 | Centrifugal separator for cleaning of a gaseous fluid | Performing Operations; Transporting | 32 | Expired |
| US6925993B1 | Apparatus for cleaning of crankcase gas | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US7022163B2 | Method of treating air on board on a vehicle, and a device for use when performing the method | Emerging Cross-Sectional Technologies | 23 | Expired |
| US8172917B2 | Apparatus for the purification of gas while bleeding a crank housing | Emerging Cross-Sectional Technologies | 22 | Active |
| US7156901B2 | Apparatus for simultaneous cleaning of a liquid and a gas | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6755896B2 | Method of cleaning crankcase gas and a gas cleaning separator | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7081146B2 | Apparatus for simultaneous cleaning of a liquid and a gas | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7476266B2 | Apparatus for cleaning of gas | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6508752B1 | Centrifugal separator having end walls and a central shaft to resist axially directed forces | Performing Operations; Transporting | 7 | Expired |
| US10052579B2 | Dust collector with a constant suction force | Performing Operations; Transporting | 7 | Active |
| US6200252A | Reaction-driven centrifugal rotor with outlet chamber entrainment members | Performing Operations; Transporting | 6 | Expired |
| US7875098B2 | Centrifugal separator for cleaning of gas | Emerging Cross-Sectional Technologies | 6 | Active |
| US6217502A | Centrifugal separator having a liquid filled transmission chamber | Performing Operations; Transporting | 5 | Expired |
| US6312372A | Outlet of a centrifugal separator having a reaction driven rotor | Performing Operations; Transporting | 4 | Expired |
| US7052529B2 | Method and a device for cleaning of crankcase gases coming from an internal combustion engine adapted for propelling a means of transportation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10226724B2 | Dust collector with a constant suction force | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.