Inventor · Schwieberdingen, DE

Istvan Ragaly

19Patents
9h-index
17Co-inventors
69Inventor score

Filing activity: Dec 16, 1976 → Jun 9, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4100474A Multi-voltage vehicular network system Emerging Cross-Sectional Technologies 22 Expired
US4153869A Dual voltage network electrical power supply system, particularly for automotive vehicles Electricity 21 Expired
US6144138A Claw pole generator Electricity 20 Expired
US6013967A Synchronous machine, in particular generator for motor vehicle Electricity 18 Expired
US5317224A Electric machine with means for guiding cooling air supplied from outside of the machine Electricity 18 Expired
US4161684A Dual voltage automotive on-board electrical network system Electricity 14 Expired
US4755698A Dynamo electric machine with low-noise operating characteristics Emerging Cross-Sectional Technologies 13 Expired
US4303935A Semiconductor apparatus with electrically insulated heat sink Emerging Cross-Sectional Technologies 12 Expired
US4540907A Alternator-rectifier unit with economical connections to wires embedded in a circuit board Electricity 11 Expired
US4894574A Stator support for electric machine Electricity 8 Expired
US4301376A Internal combustion engine and D-C floating battery self-contained electrical network combination, particularly for the on-board network of automotive vehicles Electricity 8 Expired
US4463275A Three-phase alternator with a positive non-flexibly coupled fan wheel Electricity 8 Expired
US4437846A Speed limiting rotary coupling Electricity 5 Expired
US6333581A Alternator with exciting means arrangement Electricity 5 Expired
US4328512A Two-element semiconductor diode rectifier assembly structure Emerging Cross-Sectional Technologies 5 Expired
US6057627A Claw pole generator with ventilation fan supporting the magnetic pole tips Electricity 4 Expired
US4589855A Forced air-cooled vehicular-type alternator Electricity 3 Expired
US6362550B1 Electric machine, especially a three-phase generator, with an exciter Electricity 2 Expired
US6229244A Synchronous machine, in particular generator for a motor vehicle Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.