Register information Patent

DE file number : 503 00 678.5 (Status: not pending/lapsed, Query started: June 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	Not pending/lapsed
21	DE file number	DAKZ	503 00 678.5
96	EP file number	EAKZ	03 00 2766.8
97	EP publication number	EPN	1445239
54	Designation/title	TI	Verfahren zur Beeinflussung des Schlammvolumenindex mit dem Ziel der Schwimmschlammvermeidung auf Kläranlagen
51	IPC main class	ICM (ICMV)	C02F 1/20 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	C02F 3/12 (2006.01)
22	DE application date	DAT	Feb 7, 2003
96	EP application date	EAT	Feb 7, 2003
43	Date of first publication	OT	Aug 11, 2004
	Date of publication of grant	PET	Jun 22, 2005
71/73	Applicant/owner	INH	WTE Wassertechnik GmbH, 45136 Essen, DE
72	Inventor	IN	Plass, Rainer Dr., 22301 Hamburg, DE; Brinke-Seiferth, Stephan Dr., 22607 Hamburg, DE; Schröder, Reinhard Dr., 45239 Essen, DE; Wotrubez, Herbert Dipl. Ing., 65552 Limburg, DE
74	Representative	VTR	VON ROHR Patentanwälte Partnerschaft mbB, 45130 Essen, DE
	Address for service		VON ROHR Patentanwälte Partnerschaft mbB, 45130 Essen, DE
	Patent division in charge		45
97	EP language of publication	ELANG	DE - Deutsch
84	Designated EP contracting states	EDS	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PT, SE, SI, SK, TR
	Published EP/WO documents	EPWOPN	Original document: EP000001445239 Searchable text: EP000001445239 Original document: EP000001445239B1 Searchable text: EP000001445239B1
43	Date of first publication	EVT	Aug 11, 2004
	Date of the first transfer into DPMAregister	EREGT	Sep 30, 2012
	Date of the (most recent) update in DPMAregister	REGT	Feb 9, 2023 (Show all update days)(Hide all update days) Feb 9, 2023; Mar 1, 2022; Sep 22, 2021; Feb 26, 2021; Mar 4, 2020; Aug 13, 2019; Mar 2, 2019; Mar 7, 2018; Aug 18, 2017; Aug 12, 2017; Mar 9, 2017; Jan 6, 2017; Jan 21, 2016; Dec 16, 2015; Mar 11, 2015; Jan 9, 2015; Mar 19, 2014; Mar 8, 2014; Nov 29, 2013; Nov 28, 2013; Nov 15, 2013; Nov 9, 2013; Nov 8, 2013; Mar 12, 2013; Feb 5, 2013; Jan 26, 2013 Historical data not available for this/these date(s) Sep 30, 2012 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	Aug 11, 2004		Details anzeigen
2	Procedure relating to EP application	EPO publication of search report	Aug 11, 2004		Details anzeigen
3	Publications	Publication of a mention regarding EP 1st publication by DPMA	Sep 16, 2004	Sep 16, 2004	Details anzeigen
4	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Jun 22, 2005		Details anzeigen
5	Publications	Publication by DPMA of mention regarding EP patent grant	Jul 28, 2005	Jul 28, 2005	Details anzeigen
6	Change of classification	Change of IPC main class	Oct 17, 2005		Details anzeigen
7	Procedure relating to EP application	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision	Mar 22, 2006	Jul 20, 2006	Details anzeigen
8	New applicant/owner details	New applicant/owner details	May 10, 2011	Jul 14, 2011	Details anzeigen
9	New representative details	New representative details	Nov 27, 2013		Details anzeigen
10	New representative details	New representative details	Aug 17, 2017		Details anzeigen
11	Administrative procedure	IP right lapsed through expiry of term of protection	Feb 7, 2023		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	Aug 11, 2004

View procedures Procedure relating to EP application (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of search report
Date of legal/procedural status	VSTT	Aug 11, 2004

View procedures Publications (No.: 3)
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	Sep 16, 2004
Issue number	HN	38
Year	PJ	2004
Publication date	VT	Sep 16, 2004
Type of publication	PART	Bibliographic data

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 22, 2005

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	Jul 28, 2005
Issue number	HN	30
Year	PJ	2005
Publication date	VT	Jul 28, 2005
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Change of classification (No.: 6)
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	Oct 17, 2005
51	IPC main class	ICM (ICMV)	C02F 1/20 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	C02F 1/20 (2000.01)

View procedures Procedure relating to EP application (No.: 7)
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 22, 2006
Issue number	HN	29
Year	PJ	2006
Publication date	VT	Jul 20, 2006
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures New applicant/owner details (No.: 8)
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	May 10, 2011
	Issue number	HN	28
	Year	PJ	2011
	Publication date	VT	Jul 14, 2011
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
71/73	Previous applicant/owner	INHF	DELPHIN Umwelttechnik GmbH, 21073 Hamburg, DE, WTE Wassertechnik GmbH, 45136 Essen, DE

View procedures New representative details (No.: 9)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New representative details
	Legal/procedural status	VST	New representative details
	Date of legal/procedural status	VSTT	Nov 27, 2013
74	Representative	VTR	Patentanwälte Schulte & Schulte, 45219 Essen, DE
74	Previous representative	VTRF	Raffay & Fleck Patentanwälte, 20354 Hamburg, DE

View procedures New representative details (No.: 10)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New representative details
	Legal/procedural status	VST	New representative details
	Date of legal/procedural status	VSTT	Aug 17, 2017
74	Representative	VTR	VON ROHR Patentanwälte Partnerschaft mbB, 45130 Essen, DE
74	Previous representative	VTRF	Patentanwälte Schulte & Schulte, 45219 Essen, DE
	Date of update of the procedure	REGT	Sep 22, 2021

View procedures Administrative procedure (No.: 11)
Criterion	Field	Content Close details
Type of procedure	VART	Administrative procedure
Legal/procedural status	VST	IP right lapsed through expiry of term of protection
Date of legal/procedural status	VSTT	Feb 7, 2023
Date of update of the procedure	REGT	Feb 9, 2023