Per Ranstad
9Patents
4h-index
4Co-inventors
46Inventor score
Filing activity: Sep 19, 1995 → Nov 5, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5639294A | Method for controlling the power supply to an electrostatic precipitator | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8570776B2 | Method and device for determining a control scheme for an active power filter | Emerging Cross-Sectional Technologies | 18 | Active |
| US9543855B2 | Voltage source converter (VSC) with neutral-point-clamped (NPC) topology and method for operating such voltage source converter | Emerging Cross-Sectional Technologies | 6 | Active |
| US7701732B2 | Power supply for electrostatic precipitator | Electricity | 6 | Active |
| US9331561B2 | Method to minimize input current harmonics of power systems such as ESP power systems | Emerging Cross-Sectional Technologies | 4 | Active |
| US9899831B2 | Method and device to protect an ESP power supply from transient over-voltages on the power grid | Emerging Cross-Sectional Technologies | 3 | Active |
| US7649753B2 | Power supply for electrostatic precipitator | Emerging Cross-Sectional Technologies | 3 | Active |
| US9132434B2 | Method to control the line distoration of a system of power supplies of electrostatic precipitators | Performing Operations; Transporting | 2 | Active |
| US9325300B2 | Method for the operation of electrostatic precipitators | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.