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IP Verse

Wirnsberger & Lerchbaum patent opposition analysis

The comprehensive analysis of Wirnsberger & Lerchbaum opposition landscape, with a particular emphasis on intellectual property (IP) dynamics.

Stay updated with the latest patent oppositions filed by Wirnsberger & Lerchbaum

Patent Number	Title	Applicant	Opposition Date	Opposition Company
EP4135916	Mat Welding System For Producing Concrete Steel Mats And Method Using Same	PROGRESS MASCHINEN & AUTOMATION	Aug 11, 2025	EVG ENTWICKLUNGS U VERWERTUNGS GESELLSCHAFT
EP3517771	Improvements Relating To Hydroturbine Manufacture	GE RENEWABLE	Jun 27, 2023	ANDRITZ
EP3501724	Method For Preparing Aluminium Steel Sheets Intended To Be Welded And Then Press Hardened	ARCELORMITTAL	Jan 26, 2023	ANDRITZ
EP3601117	Method For Automatically Stacking Packages In Layers On A Support	DEMATIC	Jan 24, 2023	KNAPP SYSTEMINTEGRATION
EP3520952	Method For Preparing Aluminium Steel Sheets Intended To Be Welded And Then Press Hardened	ARCELORMITTAL	Jul 14, 2022	ANDRITZ
EP3339457	Al-Mg-Si Aluminium Alloy With Improved Properties	NORSK HYDRO ASA	Oct 20, 2020	HAMMERER ALUMINIUM INDUSTRIES EXTRUSION
EP3134225	Method And Device For Preparing Aluminium-Coated Steel Sheets Intended For Being Welded And Then Hardened Under A Press; Corresponding Welded Blank	ARCELORMITTAL	Nov 12, 2019	ANDRITZ
EP2869436	Vibration Damage Repair In Dynamoelectric Machines	GENERAL ELECTRIC TECHNOLOGY	Sep 11, 2019	ANDRITZ
EP2989227	Tool Having Cvd Coating	WALTER	Mar 27, 2019	BOEHLERIT
EP2841611	Ai-Mg-Si Aluminium Alloy With Improved Properties	NORSK HYDRO ASA	Jan 3, 2019	HAMMERER ALUMINIUM INDUSTRIES HOLDING

Top companies who are the clients of Wirnsberger & Lerchbaum

Company	Total
ANDRITZ	5
HAMMERER ALUMINIUM INDUSTRIES EXTRUSION	2
BOEHLERIT	1
HAMMERER ALUMINIUM INDUSTRIES HOLDING	1
KNAPP SYSTEMINTEGRATION	1
EVG ENTWICKLUNGS U VERWERTUNGS GESELLSCHAFT	1
ANDRITZ HYDRO	1