Moteurs Leroy-Somer
100Patents
66Active
100Granted
52Portfolio score
Filing activity: Jan 18, 1977 → Nov 15, 2022 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6891299B2 | Rotary electric machine having a flux-concentrating rotor and a stator with windings on teeth | Electricity | 65 | Expired |
| US6683397B2 | Electric machine having at least one magnetic field detector | Electricity | 56 | Expired |
| US6661137B2 | Drive element such as a driving wheel or a hoisting winch, the element comprising a synchronous motor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5014828A | Electromagnetic brake with clamping jaws | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US7250702B2 | Rotary electric machine comprising a stator and two rotors | Emerging Cross-Sectional Technologies | 30 | Expired |
| USD794563S1 | Alternator | General | 30 | Active |
| USD772814S1 | Alternator | General | 29 | Active |
| US6741005B2 | Strip of lamination sectors and a method of manufacturing a magnetic circuit for an electrical machine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6531797B2 | Rotary electric machine stator having individual removable coils | Electricity | 23 | Expired |
| US6472785B2 | Modular converter | Electricity | 19 | Expired |
| US6975057B2 | Rotary electric machine having a stator made up of sectors assembled together | Electricity | 18 | Expired |
| USD769191S1 | Alternator | General | 18 | Active |
| US6909211B2 | Rotary electric machine with forced ventilation | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5698925A | Slotted wound stator for an electrical rotating machine, a method for manufacturing such a stator and a machine comprising such stator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4061062A | Method and a device for the automatic replacement of a workpiece to be machined on a machine-tool | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6833647B2 | Discoid machine | Electricity | 16 | Expired |
| US8427018B2 | Stator for a rotary electric machine having flow channels for passing a cooling fluid | Electricity | 15 | Active |
| US4575315A | Device for providing fluid-tightness of a submersible motor and a motor incorporating said device | Electricity | 12 | Expired |
| US5856716A | Cooling case for an electrical device, and a method of manufacturing it | Performing Operations; Transporting | 11 | Expired |
| US4532465A | Electrotechnical device for regulating asynchronous rotating machines | Electricity | 11 | Expired |
| US7195107B2 | Machine having pulley coupled to rotor and partially overlying stator, elevator system including machine, and drive method | Electricity | 11 | Expired |
| US5717272A | Brush support for rotating electric machine | Electricity | 11 | Expired |
| USD813811S1 | Alternator | General | 10 | Active |
| US4709203A | On board power supply particularly for a ship propelled by a variable speed diesel engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US9727060B2 | System for holding and driving a solar collector and method for controlling it | Emerging Cross-Sectional Technologies | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.