Extract from the Register of European Patents

EP About this file: EP0893884

EP0893884 - Device for controlling a gate turn-off thyristor [Right-click to bookmark this link]
Former [1999/04]Method and device for controlling a gate turn-off thyristor
[2005/37]
StatusNo opposition filed within time limit
Status updated on  22.12.2006
Database last updated on 28.03.2026
Most recent event   Tooltip22.05.2009Change - representativepublished on 24.06.2009  [2009/26]
Applicant(s)For all designated states
ABB Schweiz AG
Brown Boveri Strasse 6
5400 Baden / CH
[2006/07]
Former [2002/15]For all designated states
ABB Schweiz AG
Brown Boveri Strasse 6
5400 Baden / CH
Former [2000/27]For all designated states
ABB Industrie AG
Haselstrasse 16
5400 Baden / CH
Former [1999/04]For all designated states
Asea Brown Boveri AG
Haselstrasse 16
5401 Baden / CH
Inventor(s)01 / Coenraads, Ard
Schlossbergweg 6
5400 Baden / CH
02 / Grüning, Horst, Dr.
Obergrundstrasse 13
5430 Wettingen / CH
[1999/04]
Representative(s)ABB Patent Attorneys
C/o ABB Schweiz AG
Intellectual Property CH-IP
Brown Boveri Strasse 6
5400 Baden / CH
[N/P]
Former [2009/26]ABB Patent Attorneys
C/o ABB Schweiz AG Intellectual Property (CH-LC/IP), Brown Boveri Strasse 6
5400 Baden / CH
Former [2000/27]ABB Patent Attorneys
c/o ABB Business Services Ltd. (SLE-I) Haselstrasse 16/699
5401 Baden / CH
Former [1999/04]Lück, Gert, Dr., et al
Asea Brown Boveri AG Immaterialgüterrecht(TEI) Haselstrasse 16/699 I
5401 Baden / CH
Application number, filing date98810627.406.07.1998
[1999/04]
Priority number, dateDE1997103183624.07.1997         Original published format: DE 19731836
[1999/04]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0893884
Date:27.01.1999
Language:DE
[1999/04]
Type: A3 Search report 
No.:EP0893884
Date:29.03.2000
[2000/13]
Type: B1 Patent specification 
No.:EP0893884
Date:15.02.2006
Language:DE
[2006/07]
Search report(s)(Supplementary) European search report - dispatched on:EP15.02.2000
ClassificationIPC:H03K17/732, H03K17/723
[1999/04]
CPC:
H03K17/0403 (EP,US); H03K17/723 (EP,US); H03K17/732 (EP,US)
Designated contracting statesAT,   CH,   DE,   FR,   GB,   IT,   LI [2000/49]
Former [1999/04]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Vorrichtung zum Ansteuern eines Abschaltthyristors[2005/37]
English:Device for controlling a gate turn-off thyristor[2005/37]
French:Dispositif servant à commander un thyristor blocable[2005/37]
Former [1999/04]Verfahren und Vorrichtung zum Ansteuern eines Abschaltthyristors
Former [1999/04]Method and device for controlling a gate turn-off thyristor
Former [1999/04]Procédé et dispositif servant à commander un thyristor blocable
Examination procedure17.08.2000Amendment by applicant (claims and/or description)
17.08.2000Examination requested  [2000/42]
23.01.2002Despatch of a communication from the examining division (Time limit: M04)
11.05.2002Reply to a communication from the examining division
07.04.2003Despatch of a communication from the examining division (Time limit: M04)
13.06.2003Reply to a communication from the examining division
21.09.2004Despatch of a communication from the examining division (Time limit: M04)
17.01.2005Reply to a communication from the examining division
22.08.2005Communication of intention to grant the patent
02.12.2005Fee for grant paid
02.12.2005Fee for publishing/printing paid
Divisional application(s)EP05000762.4  / EP1524768
Opposition(s)16.11.2006No opposition filed within time limit [2007/04]
Fees paidRenewal fee
14.06.2000Renewal fee patent year 03
19.06.2001Renewal fee patent year 04
24.06.2002Renewal fee patent year 05
04.07.2003Renewal fee patent year 06
30.06.2004Renewal fee patent year 07
14.07.2005Renewal fee patent year 08
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Documents cited:Search[X]   KOJORI H A ET AL: "AN OPTIMUM GATE DRIVE FOR HIGH POWER GTO THYRISTORS", PROCEEDINGS OF THE ANNUAL APPLIED POWER ELECTRONICS CONFERENCE AND EXHIBITION. (APEC),US,NEW YORK, IEEE, vol. CONF. 7, 1992, pages 439 - 444, XP000340810

DOI:   http://dx.doi.org/10.1109/APEC.1992.228377
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