Brian L. Beifus
71Patents
14h-index
56Co-inventors
87Inventor score
Filing activity: Jun 19, 1981 → Sep 26, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6895176B2 | Method and apparatus for controlling electronically commutated motor operating characteristics | Electricity | 885 | Expired |
| US5592058A | Control system and methods for a multiparameter electronically commutated motor | Emerging Cross-Sectional Technologies | 246 | Expired |
| US6423118B1 | Methods and systems for controlling air filtration systems | Performing Operations; Transporting | 130 | Expired |
| US5019757A | Method and apparatus for controlling a blower motor in an air handling system to provide constant pressure | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5796194A | Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor | Electricity | 67 | Expired |
| US5986419A | Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor | Electricity | 66 | Expired |
| US6104113A | Coil assembly for sensorless rotor angular position control of single phase permanent magnet motor | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5838127A | Single phase motor for laundering apparatus | Electricity | 50 | Expired |
| US7106019B2 | Digital communication link | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6369536B2 | Methods and apparatus for selecting an electronically commutated motor speed | Electricity | 45 | Expired |
| US5473229A | Interface between programmable electronically commutated motor and personal computer and method of operation | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5692385A | System and method initiating defrost in response to speed or torque of evaporator motor | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US7573217B2 | Methods and systems for automatic rotation direction determination of electronically commutated motor | Emerging Cross-Sectional Technologies | 15 | Active |
| US4358730A | AC Power control circuit | Electricity | 14 | Expired |
| US8362725B2 | Retrofit motor system for heating, ventilation, and air conditioning applications | Emerging Cross-Sectional Technologies | 14 | Active |
| US7466089B2 | Methods and systems for controlling an electronically commutated motor | Electricity | 12 | Active |
| US8143828B2 | Retrofit motor system for heating, ventilation, and air conditioning applications | Emerging Cross-Sectional Technologies | 12 | Active |
| US8766573B2 | Systems for heating, ventilation, and air conditioning applications | Emerging Cross-Sectional Technologies | 11 | Active |
| US7675257B2 | Methods and systems for recording operating information of an electronically commutated motor | Physics | 10 | Active |
| US7161316B2 | Method and apparatus for discrete speed compensated torque step motor control | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7436138B2 | Methods and systems for emulating an induction motor utilizing an electronically commutated motor | Electricity | 6 | Active |
| US6765361B1 | Motor control circuit | Electricity | 5 | Expired |
| US7535186B2 | Methods and systems for controlling operation of electronicallly commutated motors | Physics | 5 | Active |
| US7843157B2 | Methods and apparatus for providing motor control signals | Electricity | 5 | Active |
| US10006462B2 | Systems and method for wirelessly communicating with electric motors | Mechanical Engineering; Lighting; Heating | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.