Arno Karwath
35Patents
12h-index
35Co-inventors
81Inventor score
Filing activity: Oct 5, 1992 → Feb 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6906484B1 | Method for limiting the current in an electric motor, and a motor for carrying out one such method | Electricity | 37 | Expired |
| US6091887A | Method and apparatus for controlling a physical parameter | Electricity | 37 | Expired |
| US7759884B2 | Method and arrangement for commutating an electronically commutated motor | Electricity | 36 | Active |
| US7880421B2 | Energy-conserving ventilating fan | Emerging Cross-Sectional Technologies | 35 | Active |
| US5845045A | Method and apparatus for DC motor speed control | Electricity | 34 | 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 |
| US7902776B2 | Method and arrangement for sensorless operation of an electronically commutated motor | Electricity | 30 | Active |
| US6078152A | Bidirectional E.C. motor and method of operating the motor | Electricity | 25 | Expired |
| US5583404A | Drive circuit for brushless DC motors | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5537015A | Semiconductor circuit for a DC motor | Electricity | 16 | Expired |
| US5717297A | Drive circuit for brushless DC motors | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6825625B1 | Device with an electromotor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6501200B2 | Motor arrangement | Electricity | 9 | Expired |
| US6906486B2 | Electronically commutated motor | Electricity | 9 | Expired |
| US6759820B2 | Arrangement for supplying a user, especially a D.C motor, that consumes power in a non-continuous manner from a D.C. system | Electricity | 9 | Expired |
| US7038412B2 | Device with an electromotor | Emerging Cross-Sectional Technologies | 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 |
| US6169378A | Electronically commutated motor with galvanically separate user interface circuit | Electricity | 8 | Expired |
| US5600216A | Bridge circuit for driving a brushless DC motor | Electricity | 8 | Expired |
| US6008602A | Arrangement with an electronically commutated motor | Electricity | 6 | Expired |
| US7230400B1 | Electronically commutated motor | Electricity | 5 | Expired |
| US6384554B1 | Drive circuit for brushless DC motors | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6940243B2 | Method for commutating an electronically commutated DC motor, and motor for carrying out said method | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.