The patent has been granted The patent has been granted, Grant of patent is intended, Request for examination was made, The international publication has been made, unknown EP Register Verified

WIND TURBINE POWER TRANSMISSION SYSTEM

Publication No. EP4226039

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App No. EP21754915

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Filed by VESTAS WIND SYSTEMS A/S

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Filed on 2021-07-23

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Issued/Published on 2024-09-18

Official EPO Register

Publication No. EP4226039 A1

Application No. EP21754915 Filed: 2021-07-23

Grant Date 2024-09-18 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

F03D15/00, F16H25/06, F16H55/08

Priority Claims

DK 2020PA70677 Date: 2020-10-06

Designated Contracting States (38 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 MK MT NL NO PL PT RO RS SE SI SK SM TR

Parties & Representation

Applicants

VESTAS WIND SYSTEMS A/S

Hedeager 42, 8200 Aarhus N

Inventors (1)

WEBER, Andreas

8200 Aarhus N

Representatives / Agents

Grünecker Patent- und Rechtsanwälte PartG mbB

Leopoldstraße 4, 80802 München

Vestas Patents Department

Hedeager 42, 8200 Aarhus N

Zimmermann & Partner Patentanwälte mbB

Postfach 330 920, 80069 München

Key Procedural Dates

Request-For-Examination 2023-04-25

Mention Of Grant Published 2024-09-18

First-Examination-Report-Despatched 2024-04-23

Patent Oppositions

Official opposition proceedings filed against European Patent EP4226039 under EPC Article 99.

1 ACTIVE OPPONENT

Opponent Company

Wittenstein SE

Walter-Wittenstein-Straße 1, DE

Representative

Zimmermann & Partner Patentanwälte mbB

Filing Date

2025-06-18

Opposition in Progress

Legal Status & Event History

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

51 Events Recorded

Date	Code	Event Description	Auth
2021-08-24	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2022-04-16	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-07-14	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2023-07-14	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2023-08-16	17P	REQUEST FOR EXAMINATION FILED	EP
2023-08-16	AK	DESIGNATED CONTRACTING STATES	EP
2024-01-10	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2024-01-10	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2024-04-22	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2024-04-22	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-05-22	INTG	INTENTION TO GRANT ANNOUNCED	EP
2024-08-08	GRAS	GRANT FEE PAID	EP
2024-08-15	GRAA	(EXPECTED) GRANT	EP
2024-08-15	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2024-09-18	AK	DESIGNATED CONTRACTING STATES	EP
2024-09-18	REG	REFERENCE TO A NATIONAL CODE	EP
2024-10-02	REG	REFERENCE TO A NATIONAL CODE	EP
2024-09-30	REG	REFERENCE TO A NATIONAL CODE	EP
2024-10-09	REG	REFERENCE TO A NATIONAL CODE	EP
2024-11-13	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2024-11-27	U07	UNITARY EFFECT REGISTERED	EP
2024-11-26	REG	REFERENCE TO A NATIONAL CODE	EP
2025-01-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-01-16	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-01-24	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-01-28	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-01-31	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-04-11	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-04-15	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-04-25	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-04-28	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2025-06-27	PLBI	OPPOSITION FILED	EP
2025-07-04	PLAX	NOTICE OF OPPOSITION AND REQUEST TO FILE OBSERVATION + TIME LIMIT SENT	EP
2025-07-04	PLAB	OPPOSITION DATA, OPPONENT'S DATA OR THAT OF THE OPPONENT'S REPRESENTATIVE MODIFIED	EP
2025-07-16	U30	ACTION LODGED BEFORE THE UPC [INFORMATION PROVIDED BY THE UPC]	EP
2025-07-30	26	OPPOSITION FILED	EP
2025-08-06	R26	OPPOSITION FILED (CORRECTED)	EP
2025-09-03	U20	RENEWAL FEE FOR THE EUROPEAN PATENT WITH UNITARY EFFECT PAID	EP
2025-10-07	PLBB	REPLY OF PATENT PROPRIETOR TO NOTICE(S) OF OPPOSITION RECEIVED	EP
2026-02-24	REG	REFERENCE TO A NATIONAL CODE	EP
2026-04-23	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-16	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
2026-08-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-08-26	U20	RENEWAL FEE FOR THE EUROPEAN PATENT WITH UNITARY EFFECT PAID	EP
2026-08-26	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-09-11	APBP	DATE OF RECEIPT OF NOTICE OF APPEAL RECORDED	EP
2026-09-12	APAH	APPEAL REFERENCE MODIFIED	EP
2026-09-12	APAW	APPEAL REFERENCE DELETED	EP
2026-10-10	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-10-13	PGFP	ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP

Patent & Non-Patent Citations

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

14 Citations

Cited Patent Documents

DE102007011175

Espacenet

DE102017101565

Espacenet

DE102010016581

Espacenet

US2016298747

Espacenet

GB153982

Espacenet

DE341053

Espacenet

WO03031811 2003-04-17

Espacenet

DE102007020415 2008-11-06

Espacenet

Non-Patent Scientific Literature (NPL)

- D5 - Slides of the presentation „Das Galaxie Getriebesystem Aufbruch in neue Möglichkeitssphären“ Mr. Thomas Baye

- ANONYMOUS: "FVA-Informationstagung", FVA, 4 December 2018 (2018-12-04), pages 1 - 8, XP093291010, Retrieved from the Internet <URL:https://fva-net.de/fileadmin/content/Veranstaltungen/Infotagung/2018/Programm_Info_2018_web_final_2.pdf>

- JABLONSKI FRANK: "Wittenstein gewinnt Hermes Award", MM MASCHINEN MARKT, 13 April 2015 (2015-04-13), pages 1 - 3, XP093291019, Retrieved from the Internet <URL:https://www.maschinenmarkt.vogel.de/wittenstein-gewinnt-hermes-award-a-485679/>

- ANONYMOUS: "Pitch angle of a spiral", WIKIPEDIA, 4 January 2024 (2024-01-04), pages 1 - 1, XP093291021, Retrieved from the Internet <URL:https://en.wikipedia.org/wiki/Pitch_angle_of_a_spiral> [retrieved on 20250222]

- QUENTIN JÜRGEN : "Ausbausituation der Windenergie an Land im Jahr 2015 ", FACHAGENTUR WINDENERGIE AN LAND, 7 March 2016 (2016-03-07), pages 1 - 33, XP093291023

- D12 - signed Witness Statement Thomas Bayer

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

17 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP4226039A1	A1	2023-08-16	Espacenet
EP	EP4226039B1	B1	2024-09-18	Espacenet
EP	EP4226039C0	C0	2024-09-18	Espacenet
AU	AU2021355824A1	A1	2023-06-08	Espacenet
AU	AU2021355824A9	A9	2024-09-26	Espacenet
BR	BR112023005785A2	A2	2023-04-25	Espacenet
CA	CA3193084A1	A1	2022-04-14	Espacenet
CN	CN116420037A	A	2023-07-11	Espacenet
CN	CN116420037B	B	2025-12-30	Espacenet
ES	ES2989324T3	T3	2024-11-26	Espacenet
JP	JP2023546005A	A	2023-11-01	Espacenet
JP	JP7743513B2	B2	2025-09-24	Espacenet
KR	KR20230079050A	A	2023-06-05	Espacenet
KR	KR102984250B1	B1	2026-06-29	Espacenet
US	US2023366381A1	A1	2023-11-16	Espacenet
US	US12025093B2	B2	2024-07-02	Espacenet
WO	WO2022073571A1	A1	2022-04-14	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP21754915 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

Dossier Filing

Date: 2026-07-11 Procedure: Examination EPIDOSNIDO1

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WIND TURBINE POWER TRANSMISSION SYSTEM

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (1)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Wittenstein SE

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)

New entry: Payment of appeal fee following opposition

Deletion: Appeal number

Change: Appeal number

New entry: Date of receipt of notice of appeal

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

New entry: Despatch of interlocutory decision

New entry: Despatch of minutes of oral proceedings

Interlocutory decision in opposition

Oral proceedings

Lapse of the patent in a contracting state

New entry: Date of oral proceedings

Change - representative

New entry: Reply of patent proprietor to notice(s) of opposition

New entry: Communication of a notice of opposition and request to file observations + time limit

Change - opposition data/opponent's data or that of the opponent's representative

Invitation to proprietor to file observations on the notice of opposition

Opposition filed

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

(Expected) grant

New entry: Payment of fee for grant

New entry: Payment of fee for publishing/printing

New entry: Receipt of the translation of the claim(s)

New entry: Renewal fee paid

Renewal fee payment

Intention to grant the patent

New entry: Communication of intention to grant a patent

Change - extension states

Change: Validation states

New entry: Renewal fee paid

Renewal fee payment

Publication in section I.1 EP Bulletin

The date on which the examining division becomes responsible, has been established

Request for examination filed

PCT data prior to European publication

PCT data prior to European publication

PCT data prior to European publication

PCT data prior to European publication

Change - representative

PCT data prior to European publication

Payment of national basic fee

Payment of the first designation fee

Payment of the fee for examination

Date on which the examining division has become responsible

PCT data prior to European publication

New entry: applicant or inventor

PCT data prior to European publication

Validation of the patent

Extension of the patent

Language of the procedure

International searching authority

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