Hermann Rappenecker
34Patents
15h-index
29Co-inventors
81Inventor score
Filing activity: Nov 17, 1994 → Jan 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5933573A | Method of controlling an electric motor and apparatus for carrying out the method | Electricity | 47 | Expired |
| US5847523A | Method of limiting current in a DC motor and DC motor system for implementing said method | Electricity | 46 | Expired |
| US6997684B2 | Fan motor with digital controller for applying substantially constant driving current | Electricity | 42 | Expired |
| US6452349B1 | Electronically commutated motor | Electricity | 39 | Expired |
| US6825632B2 | Direct current machine with a controllable arrangement for limiting current | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US6906484B1 | Method for limiting the current in an electric motor, and a motor for carrying out one such method | Electricity | 37 | Expired |
| US5590235A | DC motor control with periodic reset | Electricity | 36 | Expired |
| US5845045A | Method and apparatus for DC motor speed control | Electricity | 34 | Expired |
| US6463546B1 | Method and apparatus for monitoring a microprocessor | Physics | 33 | Expired |
| US6496786B1 | Method and apparatus for measuring a frequency datum | Electricity | 33 | Expired |
| US6810292B1 | Method for nonvolatile storage of at least one operating data value of an electrical motor, and electrical motor for said method | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6097129A | Electronically commutated motor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6831431B1 | Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type | Electricity | 18 | Expired |
| US7548003B2 | External-rotor motor having a stationary bearing shaft | Electricity | 16 | Active |
| US6903526B2 | Electronically commutated DC motor comprising a bridge circuit | Electricity | 15 | Expired |
| US6982534B2 | Method for operating an electronically commutated motor, and motor for carrying out one such method | Electricity | 15 | Expired |
| US6163117A | Electronically commutated motor and method of controlling such a motor | Electricity | 15 | Expired |
| US6825625B1 | Device with an electromotor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6967459B2 | Method for controlling or regulating the current in a direct current machine for a fan | Electricity | 10 | Expired |
| US6906486B2 | Electronically commutated motor | Electricity | 9 | Expired |
| US7038412B2 | Device with an electromotor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7049718B2 | External-rotor motor having a stationary bearing shaft | Electricity | 9 | Expired |
| US6876165B1 | Method for operating an electric motor, and an electric motor for carrying out such a method | Electricity | 8 | Expired |
| US6496340B1 | Arrangement with an electric motor | Electricity | 8 | Expired |
| US6819069B2 | Arrangement with an electric motor | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.