3NINE AB
15Patents
13Active
15Granted
47Portfolio score
Filing activity: Oct 6, 2004 → Aug 29, 2017 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7396373B2 | Centrifugal separator for cleaning gases | Performing Operations; Transporting | 48 | Expired |
| US8029601B2 | Method and apparatus for separation of particles from a flow of gas | Performing Operations; Transporting | 13 | Active |
| US7749310B2 | Device and method for cleaning a centrifugal separator | Performing Operations; Transporting | 11 | Active |
| US7731772B2 | Rotor unit of a centrifugal separator | Performing Operations; Transporting | 8 | Active |
| US10118184B2 | Centrifugal separator conical rotor disc elements having radial projections, and rotors having disc elements | Performing Operations; Transporting | 5 | Active |
| US11149601B2 | Oil separator having first and second gas inlets and gas outlets | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11098623B2 | Oil separator, ventilation system for an internal combustion engine, and internal combustion engine comprising such an oil separator | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11167243B2 | Method and installation for the reduction of sulphur oxides in exhaust gas from marine diesel engines | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8171920B2 | Device for cleaning crank case gases | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7914605B2 | Method and apparatus for separation of particles from a flow of gas | General | 0 | Revoked |
| US10286406B2 | Apparatus for centrifugal separation of liquid particles from a gas | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10682600B2 | Apparatus for cleaning crankcase gases | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8945261B2 | Apparatus for centrifugal separation of solid and/or liquid particles from a flow of gas | Performing Operations; Transporting | 0 | Active |
| US11098622B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8052779B2 | Device and method for cleaning a centrifugal separator | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.