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EP0133453

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Extract from the Register of European Patents

EP About this file: EP0133453

EP0133453 - Heat exchanger, particularly a steam generator [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 25.05.1989 Database last updated on 08.04.2026
Most recent event Tooltip	05.09.2008	Change - representative	published on 08.10.2008 [2008/41]
Applicant(s)	For all designated states Gebrüder Sulzer Aktiengesellschaft Zürcherstrasse 9 CH-8401 Winterthur / CH
	[N/P]
Former [1985/09]	For all designated states GEBRÜDER SULZER AKTIENGESELLSCHAFT Zürcherstrasse 9 CH-8401 Winterthur / CH
Inventor(s)	01 / Ammann, Heinz Guggenbühlstrasse 12 CH-8404 Winterthur / CH
	[1985/09]
Representative(s)	Sparing Röhl Henseler Postfach 14 04 43 40074 Düsseldorf / DE
	[N/P]
Former [2008/41]	Sparing Röhl Henseler Patentanwälte European Patent Attorneys Postfach 14 04 43 40074 Düsseldorf / DE
Former [1985/09]	Dipl.-Ing. H. Marsch Dipl.-Ing. K. Sparing Dipl.-Phys.Dr. W.H. Röhl Patentanwälte Rethelstrasse 123 D-4000 Düsseldorf 1 / DE
Application number, filing date	84105358.0	11.05.1984
	[1985/09]
Priority number, date	CH19830004256	05.08.1983 Original published format: CH 425683
	[1985/09]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0133453
	Date:	27.02.1985
	Language:	DE
	[1985/09]
	Type:	A3 Search report
	No.:	EP0133453
	Date:	18.12.1985
	Language:	DE
	[1985/51]
	Type:	B1 Patent specification
	No.:	EP0133453
	Date:	27.07.1988
	Language:	DE
	[1988/30]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	17.10.1985
Classification	IPC:	F22B37/14	[1985/09]
	CPC:	F22B37/14 (EP,US)
Designated contracting states	DE, FR, IT [1985/09]
Title	German:	Wärmeübertrager, insbesondere Dampferzeuger	[1985/09]
	English:	Heat exchanger, particularly a steam generator	[1985/09]
	French:	Echangeur de chaleur, en particulier générateur de vapeur	[1985/09]
Examination procedure	03.06.1986	Examination requested [1986/33]
	26.01.1987	Despatch of a communication from the examining division (Time limit: M04)
	14.05.1987	Reply to a communication from the examining division
	09.09.1987	Despatch of communication of intention to grant (Approval: Yes)
	10.12.1987	Communication of intention to grant the patent
	26.02.1988	Fee for grant paid
	26.02.1988	Fee for publishing/printing paid
Opposition(s)	29.05.1989	No opposition filed within time limit [1989/28]
Fees paid	Renewal fee
	20.05.1986	Renewal fee patent year 03
	14.05.1987	Renewal fee patent year 04
	17.05.1988	Renewal fee patent year 05
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