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Fronius competitive analysis

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Latest oppositions filed by Fronius

Explore patent oppositions filed by Fronius against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Oct 23, 2025
Patent NumberTitleApplicantOpposition Date

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EP2549635
Distributed Power Harvesting Systems Using Dc Power SourcesSOLAREDGESep 5, 2019
EP2327499
Method Of Controlling A Power Supply For Short Circuit Arc WeldingILLINOIS TOOL WORKSSep 4, 2019
EP2232663
Safety Mechanisms, Wake Up And Shutdown Methods In Distributed Power InstallationsSOLAREDGEAug 6, 2019
EP2744620
System And Method Of Operating A Non-Welding Device Using A Welding Power BusILLINOIS TOOL WORKSAug 16, 2018
EP2533933
System For Welding With An Embedded Database; Methods Of Controlling Such Welding System, Of Montoring Such Welding; Embedded DatabaseILLINOIS TOOL WORKSFeb 28, 2018
EP1940578
Method And Apparatus For Short- Arc WeldingKEMPPIFeb 26, 2018
EP2908975
System And Power Source Providing Modulation Schemes For Achieving A Consistent Weld Bead AppearanceLINCOLNFeb 16, 2018
EP2539100
Welding System With Torque Motor Wire Drive Using Calibration DataILLINOIS TOOL WORKSFeb 12, 2018
EP2974820
Arc Welding Device, System And Method For De-Magnetising A Metal PipeEWMJan 12, 2018
EP3017523
Method For Operating A Battery Converter And Bidirectional Battery ConverterSMA SOLAR TECHNOLOGYDec 22, 2017

Latest patents of Fronius opposed by its competitors

Explore Fronius's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Oct 23, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP4255662
Nov 20, 2024Method For Limiting The Welding Power Of A Welding Device1
EP4188630
Sep 4, 2024Method And Device For Welding Workpieces Using Superimposed High-Frequency Pulses1
EP4010141
Apr 24, 2024Method For Igniting A Welding Arc1
EP3509784
Nov 29, 2023Short Circuit Welding Method And Device For Carrying Out Such A Short Circuit Welding Method1
EP3094008
Aug 16, 2017Method And Device For Data Transmission On Energy Transmitting Electrical Lines1

Latest publications and patents of Fronius New

Explore the latest publications and patents granted to Fronius, showcasing their recent innovations and technological advancements.

Last updated on: Oct 22, 2025
Publication NumberPublication DateTitleLegal Status

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EP3785360
Jun 25, 2025Precharging Of An Intermediate CircuitGranted And Under Opposition
EP4255662
Nov 20, 2024Method For Limiting The Welding Power Of A Welding DeviceGranted And Under Opposition
EP4188630
Sep 4, 2024Method And Device For Welding Workpieces Using Superimposed High-Frequency PulsesGranted And Under Opposition
EP4010141
Apr 24, 2024Method For Igniting A Welding ArcGranted And Under Opposition
EP3509784
Nov 29, 2023Short Circuit Welding Method And Device For Carrying Out Such A Short Circuit Welding MethodPatent Maintained As Amended
EP3094008
Aug 16, 2017Method And Device For Data Transmission On Energy Transmitting Electrical LinesGranted And Under Opposition

Latest PTAB cases involving Fronius

Discover the latest PTAB cases involving Fronius, highlighting their recent legal challenges and patent disputes.

Last updated on: Oct 28, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2022-00849Apr 14, 2022SOLAREDGEFRONIUSInstitution Denied

Peer Comparison New

IP litigation analysis comparing Fronius with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Oct 23, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
FRONIUS115 - 1
EWM71 - -
ILLINOIS TOOL WORKS62514
SOLAREDGE - 820 -