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Extract from the Register of European Patents

EP About this file: EP0180966

EP0180966 - Inverter with a charge which forces the output voltage of the inverter into a particular frequency and curve form [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.07.1991
Database last updated on 05.10.2024
Most recent event   Tooltip06.07.1991No opposition filed within time limitpublished on 28.08.1991 [1991/35]
Applicant(s)For all designated states
LEYBOLD AKTIENGESELLSCHAFT
Wilhelm-Rohn-Strasse 25, Postfach 1555
D-63450 Hanau / DE
[N/P]
Former [1988/35]For all designated states
LEYBOLD AKTIENGESELLSCHAFT
Wilhelm-Rohn-Strasse 25, Postfach 1555
D-63450 Hanau / DE
Former [1986/20]For all designated states
Leybold-Heraeus GmbH
Bonner Strasse 504 Postfach 51 07 60
D-5000 Köln 51 / DE
Inventor(s)01 / Thomas, Friedrich-Werner, Dr.-Ing.
Schwarzwaldweg 2
D-6460 Gelnhausen / DE
02 / Thorn, Gernot, Dipl.-Ing.
Posener Strasse 8
D-6450 Hanau am Main 1 / DE
03 / Dahlinger, Dietrich, Prof.
Mittenmayerweg 7
D-6100 Darmstadt / DE
04 / Sperzel, Wolfgang, Ing.
Heimatfriederg. 3
D-6460 Gelnhausen / DE
05 / Hubertus, Guido, Ing.
Portlandstrasse 20
D-6500 Mainz / DE
06 / Stürmer, Johann, Ing.
Pestalozzistrasse 8
D-6465 Freigericht 1 / DE
[1986/20]
Representative(s)Schickedanz, Willi
Langener Strasse 68
63073 Offenbach / DE
[N/P]
Former [1986/20]Schickedanz, Willi, Dipl.-Ing.
Langener Strasse 68
D-63073 Offenbach / DE
Application number, filing date85114077.205.11.1985
[1986/20]
Priority number, dateDE1984344100009.11.1984         Original published format: DE 3441000
DE1984344100109.11.1984         Original published format: DE 3441001
[1986/20]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0180966
Date:14.05.1986
Language:DE
[1986/20]
Type: A3 Search report 
No.:EP0180966
Date:26.08.1987
Language:DE
[1987/35]
Type: B1 Patent specification 
No.:EP0180966
Date:05.09.1990
Language:DE
[1990/36]
Search report(s)(Supplementary) European search report - dispatched on:EP06.07.1987
ClassificationIPC:H02M7/523
[1986/20]
CPC:
H02M7/527 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   SE [1986/20]
TitleGerman:Wechselrichter mit einer Last, die eine Wechselrichter-Ausgangsspannung bestimmter Kurvenform und Frequenz erzwingt[1986/20]
English:Inverter with a charge which forces the output voltage of the inverter into a particular frequency and curve form[1986/20]
French:Onduleur avec une charge qui force la tension de sortie de l'onduleur à une fréquence et une tension déterminée[1986/20]
Examination procedure08.08.1987Examination requested  [1987/42]
13.04.1989Despatch of a communication from the examining division (Time limit: M04)
24.04.1989Reply to a communication from the examining division
24.07.1989Despatch of a communication from the examining division (Time limit: M04)
28.09.1989Reply to a communication from the examining division
19.01.1990Despatch of communication of intention to grant (Approval: No)
22.02.1990Despatch of communication of intention to grant (Approval: later approval)
02.03.1990Communication of intention to grant the patent
18.05.1990Fee for grant paid
18.05.1990Fee for publishing/printing paid
Opposition(s)06.06.1991No opposition filed within time limit [1991/35]
Fees paidRenewal fee
14.10.1987Renewal fee patent year 03
14.10.1988Renewal fee patent year 04
10.10.1989Renewal fee patent year 05
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]FR1593372  ;
 [A]FR2228318  (WESTINGHOUSE BRAKE & SIGNAL [GB]);
 [A]FR2146059  (GEN ELECTRIC)
 [AD]  - ETZ, Band 104, Heft 24, 1983, Seiten 1246-1251; W. BÖSTERLING et al.: "Thyristorarten ASCR, RLT und GTO - Technik und Grenzen ihrer Anwendung"
 [AD]  - ETZ, Band 104, Heft 24, 1983, Seiten 1252-1255; R. BRAUKMEIER: "Zwischen Transistor und Thyristor - Der GTO-Thyristor"
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.