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EP0117554

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Extract from the Register of European Patents

EP About this file: EP0117554

EP0117554 - Heat pump for the extraction of heat from surface water [Right-click to bookmark this link]
Former [1984/36]	Heat pump for the extraction of heat from water
	[1986/22]
Status	Opposition rejected Status updated on 29.04.1991 Database last updated on 11.04.2026
Most recent event Tooltip	05.10.2005	Change: Appeal number
Applicant(s)	For all designated states Johs. Burmester & Co. GmbH Sandstrasse 31 D-2054 Geesthacht / DE
	[1984/36]
Inventor(s)	01 / Klüe, Ulrich, Dipl.-Ing. Richtweg 95 a D-2054 Geesthacht / DE
	[1984/36]
Representative(s)	Glawe, Delfs, Moll Partnerschaft mbB Hopfenmarkt 33 20457 Hamburg / DE
	[N/P]
Former [1988/09]	Glawe, Delfs, Moll & Partner Patentanwälte Rothenbaumchaussee 58 D-20148 Hamburg / DE
Former [1984/36]	Dipl.-Ing. H. Hauck, Dipl.-Ing. E. Graalfs, Dipl.-Ing. W. Wehnert, Dr.-Ing. W. Döring Postfach 30 24 30 D-20308 Hamburg / DE
Application number, filing date	84101980.5	24.02.1984
	[1984/36]
Priority number, date	DE19833306865	26.02.1983 Original published format: DE 3306865
	[1984/36]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0117554
	Date:	05.09.1984
	Language:	DE
	[1984/36]
	Type:	B1 Patent specification
	No.:	EP0117554
	Date:	28.05.1986
	Language:	DE
	[1986/22]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	25.07.1984
Classification	IPC:	F24J3/00, F28G1/16, F28D3/04	[1986/22]
	CPC:	F25B39/024 (EP); F25B30/06 (EP); F28D3/04 (EP); F28G1/16 (EP); Y02B30/52 (EP)
	Former IPC [1984/36]	F24J3/04, F28G1/16, F28D3/04
Designated contracting states	AT, CH, DE, GB, LI, NL [1984/36]
Title	German:	Wärmepumpe zum Entnehmen von Wärme aus Oberflächewasser	[1986/22]
	English:	Heat pump for the extraction of heat from surface water	[1986/22]
	French:	Pompe à chaleur pour l'extraction de chaleur de l'eau de surface	[1986/22]
	Former [1984/36]	Wärmepumpe zur Entnahme von Wärme aus Wasser
	Former [1984/36]	Heat pump for the extraction of heat from water
	Former [1984/36]	Pompe à chaleur pour l'extraction de chaleur de l'eau
File destroyed:	12.06.1999
Examination procedure	08.08.1984	Examination requested [1984/42]
	13.12.1984	Despatch of a communication from the examining division (Time limit: M04)
	24.01.1985	Reply to a communication from the examining division
	03.04.1985	Despatch of a communication from the examining division (Time limit: M04)
	10.07.1985	Reply to a communication from the examining division
	26.09.1985	Despatch of communication of intention to grant (Approval: )
	28.11.1985	Communication of intention to grant the patent
	07.02.1986	Fee for grant paid
	07.02.1986	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 16.08.1986 15.01.1988 ADMISSIBLE ITK AG Seilerbahnweg 8 7000 Chur / CH Opponent's representative Vetter, Hans, et al, et al Patentanwälte, Magenbauer, Reimold, Vetter & Abel, Plochinger Strasse 109 73730 Esslingen / DE
		02 26.02.1987 03.04.1987 ADMISSIBLE GEBRÜDER SULZER AKTIENGESELLSCHAFT Züricher Strasse12 CH-8401 Winterthur / CH
		03 27.02.1987 27.04.1987 ADMISSIBLE SERAP INDUSTRIES Route de Fougères F-53120 Gorron France / FR Opponent's representative Herrburger, Pierre Cabinet Pierre Herrburger 67 avenue Niel 75017 Paris / FR
		04 27.02.1987 29.04.1987 ADMISSIBLE Mueller Europa B.V. Lievelderweg 68 Lichtenvoorde / NL Opponent's representative Kupecz, Arpad, et al, et al Octrooibureau Los en Stigter B.V. P.O. Box 20052 1000 HB Amsterdam / NL
		[N/P]
	Former [1989/18]
	Opponent(s)	01 16.08.1986 15.01.1988 ADMISSIBLE ITK AG Seilerbahnweg 8 7000 Chur / CH Opponent's representative Vetter, Hans, Dipl.-Phys. Dr., et al, et al Patentanwalte Dipl.-Ing. Rudolf Magenbauer Dipl.-Phys. Dr. Otto Reimold Dipl.-Phys. Dr. Hans Vetter Hölderlinweg 58 D-73728 Esslingen / DE
		02 26.02.1987 03.04.1987 ADMISSIBLE GEBRÜDER SULZER AKTIENGESELLSCHAFT Züricher Strasse12 CH-8401 Winterthur / CH
		03 27.02.1987 27.04.1987 ADMISSIBLE SERAP INDUSTRIES Route de Fougères F-53120 Gorron France / FR Opponent's representative Herrburger, Pierre Cabinet Pierre Herrburger 115, boulevard Haussmann F-75008 Paris / FR
		04 27.02.1987 29.04.1987 ADMISSIBLE Mueller Europa B.V. Lievelderweg 68 Lichtenvoorde / NL Opponent's representative Kupecz, Arpad, et al, et al Octrooibureau Los en Stigter B.V. Postbox 20052 NL-1000 HB Amsterdam / NL
	Former [1987/35]
	Opponent(s)	01 16.08.1986 ADMISSIBLE ITK AG Seilerbahnweg 8 7000 Chur / CH Opponent's representative Vetter, Hans, Dipl.-Phys. Dr., et al, et al Patentanwalte Dipl.-Ing. Rudolf Magenbauer Dipl.-Phys. Dr. Otto Reimold Dipl.-Phys. Dr. Hans Vetter Hölderlinweg 58 D-73728 Esslingen / DE
		02 26.02.1987 03.04.1987 ADMISSIBLE GEBRÜDER SULZER AKTIENGESELLSCHAFT Züricher Strasse12 CH-8401 Winterthur / CH Opponent's representative Sparing Röhl Henseler Patentanwälte Postfach 14 04 43 D-40074 Düsseldorf / DE
		03 27.02.1987 27.04.1987 ADMISSIBLE SERAP INDUSTRIES Route de Fougères F-53120 Gorron France / FR Opponent's representative Herrburger, Pierre Cabinet Pierre Herrburger 115, boulevard Haussmann F-75008 Paris / FR
		04 27.02.1987 29.04.1987 ADMISSIBLE Mueller Europa B.V. Lievelderweg 68 Lichtenvoorde / NL Opponent's representative Kupecz, Arpad, et al, et al Octrooibureau Los en Stigter B.V. Postbox 20052 NL-1000 HB Amsterdam / NL
	Former [1987/19]
	Opponent(s)	01 16.08.1986 ITK AG Seilerbahnweg 8 7000 Chur / CH
		02 26.02.1987 GEBRÜDER SULZER AKTIENGESELLSCHAFT Züricher Strasse12 CH-8401 Winterthur / CH Opponent's representative Sparing Röhl Henseler Patentanwälte Postfach 14 04 43 D-40074 Düsseldorf / DE
		03 27.02.1987 SERAP INDUSTRIES Route de Fougères F-53120 Gorron France / FR Opponent's representative Herrburger, Pierre Cabinet Pierre Herrburger 115, boulevard Haussmann F-75008 Paris / FR
		04 27.02.1987 ADMISSIBLE Mueller Europa B.V. Lievelderweg 68 Lichtenvoorde / NL Opponent's representative Kupecz, Arpad, et al, et al Octrooibureau Los en Stigter B.V. Postbox 20052 NL-1000 HB Amsterdam / NL
	Former [1987/18]
	Opponent(s)	01 16.08.1986 ITK AG Seilerbahnweg 8 7000 Chur / CH
		02 26.02.1987 GEBRÜDER SULZER AKTIENGESELLSCHAFT Züricher Strasse12 CH-8401 Winterthur / CH Opponent's representative Sparing Röhl Henseler Patentanwälte Postfach 14 04 43 D-40074 Düsseldorf / DE
		03 27.02.1987 ADMISSIBLE SERAP INDUSTRIES Route de Fougères F-53120 Gorron France / FR Opponent's representative Herrburger, Pierre Cabinet Pierre Herrburger 115, boulevard Haussmann F-75008 Paris / FR
	Former [1987/14]
	Opponent(s)	01 16.08.1986 ITK AG Seilerbahnweg 8 7000 Chur / CH
	24.03.1987	No. 04: Notification indicating deficiencies in the notice of opposition
	31.03.1987	No. 04: Reply to notification indicating deficiencies in the notice of opposition
	11.09.1987	Invitation to proprietor to file observations on the notice of opposition
	03.02.1988	Reply of patent proprietor to notice(s) of opposition
	16.02.1988	Communication of observations of patent proprietor (Time limit: M04)
	18.06.1988	Reply of parties involved to observations of patent proprietor
	08.06.1989	Date of despatch of rejection of opposition
	28.02.1991	Legal effect of rejection of opposition [1991/25]
Appeal following opposition	28.07.1989	Appeal received No. T0497/89
	03.10.1989	Statement of grounds filed
	28.02.1991	Result of appeal procedure: appeal of the opponent was rejected
	28.02.1991	Date of oral proceedings
	11.03.1991	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	25.11.1985	Renewal fee patent year 03
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