Samuli Heikkila
21Patents
7h-index
7Co-inventors
62Inventor score
Filing activity: Nov 16, 1990 → Dec 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6448735B1 | Controller for a wound rotor slip ring induction machine | Electricity | 32 | Expired |
| US6370049B1 | Inverter arrangement with three one-phase autotransformers | Electricity | 28 | Expired |
| US6741059B2 | Controller for a wound rotor slip ring induction machine | Electricity | 23 | Expired |
| US5477162A | Method for determining the short-circuit inductance of an asynchronous machine | Physics | 16 | Expired |
| US6094364A | Direct torque control inverter arrangement | Electricity | 16 | Expired |
| US7190599B2 | Method for determining output currents of frequency converter | Electricity | 11 | Expired |
| US5589754A | Method for determining a stator flux estimate for an asynchronous machine | Electricity | 9 | Expired |
| US5371458A | Method for determining the stator flux of an asynchronous machine | Electricity | 6 | Expired |
| US6195274A | Method for defining instantaneous value of current of pulse-controlled inductive load | Physics | 4 | Expired |
| US8483981B2 | Induction motor parameter identification | Physics | 3 | Active |
| US7262577B2 | Method for estimating the sum of stator and rotor resistances | Electricity | 3 | Expired |
| US6313599A | Method for controlling an inverter | Electricity | 3 | Expired |
| US7352220B2 | Measuring average of phase voltage of a frequency converter based on an idealized waveform | Electricity | 2 | Active |
| US8405344B2 | Method and apparatus for estimating a rotation speed of an electric motor | Electricity | 1 | Active |
| US7250739B2 | Method for estimating the rotor time constant of an induction machine | Electricity | 1 | Active |
| US7034510B2 | Method for coupling inverter to alternating voltage | Electricity | 1 | Expired |
| US9595864B2 | Method and apparatus for balancing voltages of multi-level inverter DC link | Electricity | 0 | Active |
| US12126283B2 | Double winding electric machine assembly | Electricity | 0 | Active |
| US6552510B2 | Method for frequency converter | Electricity | 0 | Expired |
| US8415916B2 | Estimation of parameters of an induction machine | Physics | 0 | Active |
| US5198742A | Method of preventing the stalling of an asynchronous machine | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.