Register information Patent

DE file number : 50 2011 003 523.3 (Status: pending/in force, Query started: August 4, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Pending/in force
21	DE file number	DAKZ	50 2011 003 523.3
96	EP file number	EAKZ	11 16 7707.6
97	EP publication number	EPN	2535621
54	Designation/title	TI	Wellendichtungsring für ein Sperröldichtungssystem eines wasserstoffgekühlten Generators
51	IPC main class	ICM (ICMV)	F16J 15/40 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	F16J 15/44 (2006.01)
22	DE application date	DAT	May 26, 2011
96	EP application date	EAT	May 26, 2011
43	Date of first publication	OT	Dec 19, 2012
	Date of publication of grant	PET	Jun 25, 2014
71/73	Applicant/owner	INH	Siemens Energy Global GmbH & Co. KG, 81739 München, DE
72	Inventor	IN	Lehmann, Christoph, Dr., 47506 Neukirchen-Vluyn, DE; Majchrzak, Oliver, 46049 Oberhausen, DE; Günther, Thomas, Dr., 40668 Meerbusch, DE; Cordiner, Christopher, North NE63 9EH Ashington, GB
	Address for service		Siemens Energy Global GmbH & Co. KG, 91058 Erlangen, DE
	Due date	FT FG	May 31, 2026 Annual fee for the 16th year Patent fees
	Patent division in charge		12
97	EP language of publication	ELANG	DE - Deutsch
84	Designated EP contracting states	EDS	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
	Published EP/WO documents	EPWOPN	Original document: EP000002535621 Searchable text: EP000002535621 Original document: EP000002535621B1 Searchable text: EP000002535621B1
43	Date of first publication	EVT	Dec 19, 2012
	Date of the first transfer into DPMAregister	EREGT	Feb 1, 2013
	Date of the (most recent) update in DPMAregister	REGT	Jun 13, 2025 (Show all update days)(Hide all update days) Jun 13, 2025 Address for service: changed Jun 12, 2025 Due date: changed May 15, 2025 Address for service: changed Procedures: Procedure relating to EP application, EPO publication of mention of grant , 25.06.2014: new Procedures: Procedure relating to EP application, EPO publication of mention of grant , 25.06.2014: deleted Jul 18, 2024 St.36: changed (technical change) Feb 1, 2013 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Publication date	Alle Details anzeigen
1	Procedure relating to EP application	EPO 1st publication	Dec 19, 2012		Details anzeigen
2	Publications	Publication of a mention regarding EP 1st publication by DPMA	Jan 31, 2013	Jan 31, 2013	Details anzeigen
3	Change of classification	Change of IPC main class	Dec 2, 2013		Details anzeigen
4	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Jun 25, 2014		Details anzeigen
5	Publications	Publication by DPMA of mention regarding EP patent grant	Aug 7, 2014	Aug 7, 2014	Details anzeigen
6	Procedure relating to EP application	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision	Mar 26, 2015	Jul 2, 2015	Details anzeigen
7	New applicant/owner details	New applicant/owner details	Dec 15, 2020	Jan 21, 2021	Details anzeigen

View procedures Procedure relating to EP application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO 1st publication
Date of legal/procedural status	VSTT	Dec 19, 2012

View procedures Publications (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural status	VSTT	Jan 31, 2013
Issue number	HN	5
Year	PJ	2013
Publication date	VT	Jan 31, 2013
Type of publication	PART	Bibliographic data

View procedures Change of classification (No.: 3)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Dec 2, 2013
51	IPC main class	ICM (ICMV)	F16J 15/40 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	F16J 15/40 (2006.01)

View procedures Procedure relating to EP application (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural status	VSTT	Jun 25, 2014
Date of update of the procedure	REGT	May 15, 2025

View procedures Publications (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication by DPMA of mention regarding EP patent grant
Date of legal/procedural status	VSTT	Aug 7, 2014
Issue number	HN	32
Year	PJ	2014
Publication date	VT	Aug 7, 2014
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Procedure relating to EP application (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision
Date of legal/procedural status	VSTT	Mar 26, 2015
Issue number	HN	27
Year	PJ	2015
Publication date	VT	Jul 2, 2015
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures New applicant/owner details (No.: 7)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New applicant/owner details
	Legal/procedural status	VST	New applicant/owner details
	Date of legal/procedural status	VSTT	Dec 15, 2020
	Issue number	HN	3
	Year	PJ	2021
	Publication date	VT	Jan 21, 2021
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
71/73	Applicant/owner	INH	Siemens Energy Global GmbH & Co. KG, 81739 München, DE
71/73	Previous applicant/owner	INHF	Siemens Aktiengesellschaft, 80333 München, DE
	Date of update of the procedure	REGT	Jan 13, 2021