Inventor · disambiguated record
Franz Pfeilschifter
Also filed as: PFEILSCHIFTER FRANZ
33 granted patents·15 pending applications·40 citations·filing 2016–2025
94Inventor score
Files withVITESCO TECH GMBH35CONTINENTAL AUTOMOTIVE GMBH6SCHAEFFLER TECHNOLOGIES AG3MERCEDES BENZ GROUP AG2CPT GROUP GMBH1
Top patents by PatentIndex Score
48 records- 0189US11207993B2Storage-battery charging device for a motor vehicle, method for operating an on-board storage-battery charging device, high-voltage vehicle electrical system and use of a storage-battery charging deviceVITESCO TECH GMBH·Filed 2018·Granted Dec 28, 2021·5 cites·20 claims
- 0287US11097626B2Vehicle electrical systems, charging system, charging station, and method for transmitting electrical energyCONTINENTAL AUTOMOTIVE GMBH·Filed 2017·Granted Aug 24, 2021·9 cites·10 claims
- 0385US11472305B2Charging circuit for a vehicle-side electrical energy storeVITESCO TECH GMBH·Filed 2019·Granted Oct 18, 2022·4 cites·11 claims
- 0482US11731523B2Vehicle-side charging deviceVITESCO TECH GMBH·Filed 2019·Granted Aug 22, 2023·4 cites·11 claims
- 0582US10763690B2Vehicle-side charging circuit for a vehicle with electric drive, and method for operating a vehicle-side current converter, and use of at least one winding of a vehicle-side electric machine for intermediate storagectrical machine for bufferCONTINENTAL AUTOMOTIVE GMBH·Filed 2016·Granted Sep 1, 2020·5 cites·10 claims
- 0679US11750092B2Configurable DC-to-DC converter circuit and vehicle electrical systemVITESCO TECH GMBH·Filed 2020·Granted Sep 5, 2023·1 cites·11 claims
- 0778US11667204B2Vehicle charging circuit and vehicle electrical system having the vehicle charging circuitVITESCO TECH GMBH·Filed 2020·Granted Jun 6, 2023·1 cites·11 claims
- 0876US10953751B2Vehicle-side power circuit for supplying power in an electrically driven vehicleCONTINENTAL AUTOMOTIVE GMBH·Filed 2018·Granted Mar 23, 2021·3 cites·13 claims
- 0975US11161424B2On-board vehicle electrical system for charging an electrically operated vehicle, and methodVITESCO TECH GMBH·Filed 2017·Granted Nov 2, 2021·3 cites·21 claims
- 1074US11396238B2Motor vehicle on-board power system for an electrically driven vehicle, and method for operating a motor vehicle on-board power systemCPT GROUP GMBH·Filed 2017·Granted Jul 26, 2022·2 cites·12 claims
- 1173US2025256607A1Insulation Error Detection Based on AC Voltage Components of An Activation Signal in The DC Voltage Side of an AC Voltage Charging CircuitSCHAEFFLER TECHNOLOGIES AG·Filed 2025·Application pending·0 cites
- 1272US2025360819A1Bidirectional vehicle charging circuit for generating two different voltagesSCHAEFFLER TECHNOLOGIES AG·Filed 2025·Application pending·0 cites
- 1370US2025065722A1High-Voltage Vehicle Electrical System With Potential Island In Two-Stage Insulation And With Resistance DissipationVITESCO TECH GMBH·Filed 2024·Application pending·0 cites
- 1469US11413975B2Vehicle electrical system having a stored energy source and having charging terminalsVITESCO TECH GMBH·Filed 2019·Granted Aug 16, 2022·1 cites·14 claims
- 1568US12208695B2Vehicle electrical systemVITESCO TECH GMBH·Filed 2020·Granted Jan 28, 2025·0 cites·10 claims
- 1665US12447915B2Vehicle electrical system with high-voltage zone and a plurality of low-voltage zones that extend therefrom and are connected via a safety deviceVITESCO TECH GMBH·Filed 2022·Granted Oct 21, 2025·0 cites·14 claims
- 1765US2025262941A1Individual Monitoring Of A Plurality Of Output Points Of A System For The Vehicle-Based Supply Of External LoadsSCHAEFFLER TECHNOLOGIES AG·Filed 2025·Application pending·0 cites
- 1865US2023356596A1Vehicle Electrical System Having A High-Voltage Branch, A Low-Voltage Branch, And Low-Voltage-Side Insulation Fault DetectionVITESCO TECH GMBH·Filed 2023·Application pending·0 cites
- 1964US10787088B2Vehicle electrical system with inverter, energy store, electrical machine and DC transmission terminalCONTINENTAL AUTOMOTIVE GMBH·Filed 2017·Granted Sep 29, 2020·1 cites·12 claims
- 2063US12447839B2High-voltage charging circuit in a vehicle, and on-board vehicle electrical systemVITESCO TECH GMBH·Filed 2022·Granted Oct 21, 2025·0 cites·16 claims
- 2163US11072253B2Power circuit for power supply in an electrically driven vehicle and stationary energy supply systemCONTINENTAL AUTOMOTIVE GMBH·Filed 2017·Granted Jul 27, 2021·1 cites·10 claims
- 2262US12325314B2Vehicle on-board electrical systemVITESCO TECH GMBH·Filed 2020·Granted Jun 10, 2025·0 cites·10 claims
- 2362US11993164B2Vehicle on-board electrical system having a rechargeable traction battery directly connected to power factor correction filterVITESCO TECH GMBH·Filed 2022·Granted May 28, 2024·0 cites·11 claims
- 2461US12447840B2Charging voltage converter on a vehicle, having reverse current blocking deviceVITESCO TECH GMBH·Filed 2021·Granted Oct 21, 2025·0 cites·11 claims
- 2561US11794597B2On-board vehicle electrical system having an accumulator, an alternating voltage connection and a direct voltage connectionVITESCO TECH GMBH·Filed 2021·Granted Oct 24, 2023·0 cites·11 claims
- 2659US12122254B2Charging and heating circuit and vehicle electrical system having a charging and heating circuitVITESCO TECH GMBH·Filed 2021·Granted Oct 22, 2024·0 cites·11 claims
- 2759US2025033508A1Monitored Charging Method Considering Charging Station Surge Protection MeasuresVITESCO TECHNOLOGIES GERMANY GMBH·Filed 2024·Application pending·0 cites
- 2859US2024332956A1Capacitive Functionality Test For Varistors Of A High-Voltage Protective Device For An On-Board Vehicle Electrical SystemVITESCO TECH GMBH·Filed 2024·Application pending·0 cites
- 2958US11936289B2Vehicle electrical systemVITESCO TECH GMBH·Filed 2020·Granted Mar 19, 2024·0 cites·15 claims
- 3056US2024278663A1Dc vehicle charging circuit comprising a transistor and an inverse diode for blocking fault current caused by charging-station varistorsVITESCO TECH GMBH·Filed 2022·Application pending·0 cites
- 3155US12296702B2Galvanically coupling DC-to-DC converter and vehicle electrical systemVITESCO TECH GMBH·Filed 2022·Granted May 13, 2025·0 cites·13 claims
- 3254US11332028B2Alternating voltage charging device and method for the single- or multi-phase alternating current charging of a vehicleVITESCO TECH GMBH·Filed 2019·Granted May 17, 2022·0 cites·10 claims
- 3353US11677257B2Vehicle-side charging circuitVITESCO TECH GMBH·Filed 2019·Granted Jun 13, 2023·0 cites·10 claims
- 3453US11351869B2Alternating-current charging device for a motor vehicleVITESCO TECH GMBH·Filed 2019·Granted Jun 7, 2022·0 cites·14 claims
- 3553US2025042271A1Dc voltage fault current monitoring for detecting an insulation faultVITESCO TECH GMBH·Filed 2022·Application pending·0 cites
- 3652US12214674B2Method for detecting an insulation fault in a vehicle on-board electrical system and vehicle overvoltage protection circuitVITESCO TECH GMBH·Filed 2021·Granted Feb 4, 2025·0 cites·11 claims
- 3751US12017551B2Vehicle on-board electrical system having a DC voltage charging connectionVITESCO TECH GMBH·Filed 2020·Granted Jun 25, 2024·0 cites·12 claims
- 3851US11760218B2Charging circuit for a vehicle-side electrical energy storeVITESCO TECH GMBH·Filed 2019·Granted Sep 19, 2023·0 cites·8 claims
- 3951US11285825B2Alternating-current charging device for a motor vehicle, and method for operating an alternating-current charging device for a motor vehicleVITESCO TECH GMBH·Filed 2019·Granted Mar 29, 2022·0 cites·15 claims
- 4050US2025074198A1Protection device for voltage-limiting elements of a low-voltage line that extends out of a vehicle high-voltage regionVITESCO TECH GMBH·Filed 2022·Application pending·0 cites
- 4150US2023382249A1Charging circuit having a direct-current terminal and an alternating-current terminal, and vehicle electrical system having a charging circuitVITESCO TECH GMBH·Filed 2021·Application pending·0 cites
- 4248US11277020B2Motor vehicle having an AC charging device with a precharge circuit for a smoothing capacitorVITESCO TECH GMBH·Filed 2019·Granted Mar 15, 2022·0 cites·10 claims
- 4348US2023226917A1Method for detecting an insulation fault in a vehicle on-board electrical systemVITESCO TECH GMBH·Filed 2021·Application pending·0 cites
- 4448US2024190273A1Method for conducting a pre-charging process of an onboard electrical system of a vehicle, and onboard electrical system for a vehicleMERCEDES BENZ GROUP AG·Filed 2022·Application pending·0 cites
- 4547US10994618B2Vehicle electrical system with inverter, energy store, electrical machine and ac transmission terminalCONTINENTAL AUTOMOTIVE GMBH·Filed 2017·Granted May 4, 2021·0 cites·10 claims
- 4646US2023226953A1Method for discharging a vehicle high-voltage electrical system, on-board vehicle electrical system, and insulation monitoring devicesVITESCO TECH GMBH·Filed 2021·Application pending·0 cites
- 4745US2025147093A1Sensing symmetrical and asymmetrical insulation faults by the asymmetrically switchable sensing of fault currentVITESCO TECH GMBH·Filed 2023·Application pending·0 cites
- 4841US12319146B2Onboard electrical system for a vehicle, vehicle including an onboard electrical system, and method for operating an onboard electrical system for a vehicleMERCEDES BENZ GROUP AG·Filed 2022·Granted Jun 3, 2025·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →