Method And Device For Welding Workpieces Using Superimposed High-Frequency Pulses - EP4188630

The patent EP4188630 was granted to Fronius on Sep 4, 2024. The application was originally filed on Jul 30, 2021 under application number EP21752672A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4188630

FRONIUS
Application Number
EP21752672A
Filing Date
Jul 30, 2021
Status
Granted And Under Opposition
Aug 2, 2024
Grant Date
Sep 4, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

CARL CLOOS SCHWEISSTECHNIK GESELLSCHAFT MIT BESCHRANKTER HAFTUNGJun 4, 2025LIPPERT STACHOW PATENTANWALTE RECHTSANWALTEADMISSIBLE

Patent Citations (12) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTDE202006021306U
INTERNATIONAL-SEARCH-REPORTDE2313677
INTERNATIONAL-SEARCH-REPORTDE2904481
INTERNATIONAL-SEARCH-REPORTDE60311994T
INTERNATIONAL-SEARCH-REPORTJPH06320272
OPPOSITIONAT413658B
OPPOSITIONDE19507649
OPPOSITIONDE19844273
OPPOSITIONDE202006021306U
OPPOSITIONDE2904481
OPPOSITIONJPH06320272
OPPOSITIONUS2015306691

Non-Patent Literature (NPL) Citations (5) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "ESS WIG Inverter Schweißstromquellen - Transtig 2704 / 3504 - Kühlgerät K4 - Bedienungsanleitung und Ersatzteillisten", ESS, (20140701), XP093286398-
OPPOSITION- Anonymous, "GL 503 (DC) - WIG-Schweißgeräte BEDIENUNGSANLEITUNG UND ERSATZTEILLISTEN", (20161101), XP093286395-
OPPOSITION- Anonymous, " Jäckle & Ess WIG Inverter Schweißstromquellen - TIGARC 2705 / 3505 / 5006 - Kühlgerät K4", Jäckle & Ess System GmbH, (20180101), Jäckle & Ess System GmbH, URL: https://www.jess-welding.com/wp-content/uploads/2021/02/TIGARC-2705_3505_5006_DE.pdf, XP093286406-
OPPOSITION- Anonymous, "ZÜNDGERÄT TYP SIG 3.6 SIG 3.7 SIG 3.8 - WIG GLEICHSTROM / PLASMA ", EGT INDUSTRIE-ELEKTRONIK GMBH, (20050901), XP093286405-
OPPOSITION- D1b - Dokument, das eine Mehrzahl von Oszilloskopaufnahmen des Schweißstroms beim Betrieb des WIG-Schweißgerätes GL 503 (DC) der D1a zeigt-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents