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MOULD FOR ALUMINOTHERMIC WELDING OF RAILS

Publication No. EP4452543

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App No. EP22847607

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Filed by Pandrol

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Filed on 2022-12-21

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Issued/Published on 2026-01-14

Official EPO Register

Publication No. EP4452543 A1

Application No. EP22847607 Filed: 2022-12-21

Grant Date 2026-01-14 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

Patent abstract is being processed or was not provided in English by the publishing office.

IPC Classifications

B23K23/00

Priority Claims

FR 20210014504 Date: 2021-12-24

Designated Contracting States (39 EPC States)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Parties & Representation

Applicants

Pandrol

Zone Industrielle Rue du Bas-Pré, 59 590 Raismes

Inventors (3)

MERESSE, Clément

59530 POTELLE

BORDERY, Pierre

59690 VIEUX CONDE

WINIAR, Lionel

59790 RONCHIN

Representatives / Agents

Regimbeau

20, rue de Chazelles, 75847 Paris Cedex 17

Wang, Shih-Chen

Goldschmidt Holding GmbH, Hugo-Licht-Straße 3

Key Procedural Dates

Request-For-Examination 2024-07-15

Mention Of Grant Published 2026-01-14

First-Examination-Report-Despatched 2025-08-01

Legal Status & Event History

Official European Patent Office legal and procedural status changes recorded for this file.

28 Events Recorded

Date	Code	Event Description	Auth
2023-07-01	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-02-03	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-09-27	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2024-09-27	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-10-30	17P	REQUEST FOR EXAMINATION FILED	EP
2024-10-30	AK	DESIGNATED CONTRACTING STATES	EP
2025-04-02	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2025-04-02	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2025-07-31	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-07-31	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-09-03	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-12-02	GRAS	GRANT FEE PAID	EP
2025-12-12	GRAA	(EXPECTED) GRANT	EP
2025-12-12	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-01-14	AK	DESIGNATED CONTRACTING STATES	EP
2026-01-14	REG	REFERENCE TO A NATIONAL CODE	EP
2026-01-29	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-25	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2026-02-25	U07	UNITARY EFFECT REGISTERED	EP
2026-02-11	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-22	REG	REFERENCE TO A NATIONAL CODE	EP
2026-07-07	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-10	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-17	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-10-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-10-16	PLBI	OPPOSITION FILED	EP

Patent & Non-Patent Citations

Cited documents and prior art referenced in search and examination reports.

19 Citations

Cited Patent Documents

EP1862250 2007-12-05

Espacenet

CN209140065 2019-07-23

Espacenet

FR2966172 2012-04-20

Espacenet

US5515904 1996-05-14

Espacenet

DE10247751 2005-09-08

Espacenet

Non-Patent Scientific Literature (NPL)

- D1 - Prior use welding mould „SkV-Elite L25“

- D1a - CAD image showing a top view of the „SkV-Elite L25“

- D1b - CAD image showing a first cross section of the „SkV-Elite L25“

- D1c - CAD image showing a second cross section of the „SkV-Elite L25“

- D1d - Invoice of selling the „SkV-Elite L25“ (Invoice date 30.06.2020)

- D1e - Delivery note of delivering the sold „SkV-Elite L25“ (Delivery date 25.06.2020)

- ELEKTRO-THERMIT GMBH & CO. KG: "Thermit SKV-Elite L25", ELEKTRO-THERMIT GMBH & CO. KG, DE, 1 January 2016 (2016-01-01), DE, pages 1 - 10, XP093446719

- D1g - Invoice for designing the brochure of D1f

- D1h - Invoice for translating the brochure of D1f

- D1i - Invoice for printing the brochure of D1f

- D1j - Image showing the handout of the brochure of D1f at InnoTrans 2016;

- D1k - Technical drawing of the model used to manufacture the „SkV-Elite L25“ as sold in 2017 and 2020

- D1l - Witness statement of manger design engineer Ingolf Schöniger

- D1m - Invoice and delivery not of selling the „SkV-Elite L25“ in 2017

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

10 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4452543A1	A1	2024-10-30	Espacenet
EP	EP4452543B1	B1	2026-01-14	Espacenet
EP	EP4452543C0	C0	2026-01-14	Espacenet
CN	CN118715080A	A	2024-09-27	Espacenet
ES	ES3064141T3	T3	2026-04-22	Espacenet
FR	FR3131237A1	A1	2023-06-30	Espacenet
FR	FR3131237B1	B1	2023-11-17	Espacenet
PL	PL4452543T3	T3	2026-04-20	Espacenet
WO	WO2023118753A1	A1	2023-06-29	Espacenet
ZA	ZA202405723B	B	2025-02-26	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP22847607 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.

Open 148-Doc Register Dossier

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Date: 2025-11-14 Procedure: Examination EPIDOSNRFE2

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MOULD FOR ALUMINOTHERMIC WELDING OF RAILS

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (39 EPC States)

Parties & Representation

Applicants

Inventors (3)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Goldschmidt Holding GmbH

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Non-Patent Scientific Literature (NPL)

Worldwide Patent Family

Complete European Patent Register Dossier (148 Total Documents)

Recorded Filings & Patent Specifications

European Patent Specification - Granted Patent (B1)

Official European Patent Register Full Dossier

European Patent Application with Search Report (A1)

Opposition filed

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