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Extract from the Register of European Patents

EP About this file: EP1041288

EP1041288 - Magnetic bearing device and a vacuum pump equipped with the same [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  14.10.2011
Database last updated on 20.11.2024
Most recent event   Tooltip14.10.2011Patent maintained (B2 publication)published on 16.11.2011  [2011/46]
Applicant(s)For all designated states
Edwards Japan Limited
1078-1, Yoshihashi Yachiyo-shi
Chiba / JP
[2009/33]
Former [2002/19]For all designated states
Seiko Instruments Inc.
8, Nakase 1-chome, Mihama-ku
Chiba-shi, Chiba / JP
Former [2000/40]For all designated states
SEIKO SEIKI KABUSHIKI KAISHA
3-1, Yashiki 4-chome
Narashino-shi Chiba / JP
Inventor(s)01 / Maejima, Yasushi
3-1, Yashiki 4-chome
Narashino-shi, Chiba / JP
 [2011/46]
Former [2000/40]01 / Maejima, Yasushi
3-1, yashiki 4-chome
Narashino-shi, Chiba / JP
Representative(s)Sturt, Clifford Mark, et al
Miller Sturt Kenyon
9 John Street
London
WC1N 2ES / GB
[N/P]
Former [2000/40]Sturt, Clifford Mark, et al
Miller Sturt Kenyon 9 John Street
London WC1N 2ES / GB
Application number, filing date00302512.928.03.2000
[2000/40]
Priority number, dateJP1999009204931.03.1999         Original published format: JP 9204999
[2000/40]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1041288
Date:04.10.2000
Language:EN
[2000/40]
Type: A3 Search report 
No.:EP1041288
Date:02.01.2002
[2002/01]
Type: B1 Patent specification 
No.:EP1041288
Date:08.10.2003
Language:EN
[2003/41]
Type: B2 New European patent specification 
No.:EP1041288
Date:16.11.2011
Language:EN
[2011/46]
Search report(s)(Supplementary) European search report - dispatched on:EP19.11.2001
ClassificationIPC:F04D19/04, F16C39/06
[2000/40]
CPC:
F04D29/058 (EP,US); A61F5/042 (KR); A47C7/402 (KR);
A47C7/50 (KR); A47C9/002 (KR); A61F5/0102 (KR);
F04D19/048 (EP,US); F16C32/0459 (EP,US); F16C2360/45 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [2002/38]
Former [2000/40]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Magnetische Lagervorrichtung und Vakuumpumpe mit solcher Vorrichtung[2000/40]
English:Magnetic bearing device and a vacuum pump equipped with the same[2000/40]
French:Dispositif de palier magnétique et pompe à vide avec un tel palier[2000/40]
Examination procedure05.06.2002Examination requested  [2002/32]
07.04.2003Communication of intention to grant the patent
04.08.2003Fee for grant paid
04.08.2003Fee for publishing/printing paid
Opposition(s)Opponent(s)01  07.07.2004    ADMISSIBLE
Pfeiffer Vacuum GmbH
Berliner Strasse 43
35614 Asslar / DE
Opponent's representative
Knefel, Cordula
Patentanwältin
Postfach 1924
35529 Wetzlar / DE
 02  08.07.2004    ADMISSIBLE
LEVITEC GmbH/ Lust Antriebstechnik GmbH
Georg-Ohm-Strasse 11/Gewerbestrasse 5-9
35633 Lahnau/35633 Lahnau-Waldgirmes / DE
Opponent's representative
Schubert, Siegmar
Patentanwälte
Dannenberg Schubert Gudel
Grosse Eschenheimer Strasse 39
60313 Frankfurt / DE
 [N/P]
Former [2004/36]
Opponent(s)01  07.07.2004    ADMISSIBLE
Pfeiffer Vacuum GmbH
Berliner Strasse 43
D-35614 Asslar / DE
Opponent's representative
Knefel, Cordula, Dipl.-Phys.
Patentanwältin, Postfach 1924
35529 Wetzlar / DE
 02  08.07.2004    ADMISSIBLE
LEVITEC GmbH/ Lust Antriebstechnik GmbH
Georg-Ohm-Strasse 11/Gewerbestrasse 5-9
35633 Lahnau/35633 Lahnau-Waldgirmes / DE
Opponent's representative
Schubert, Siegmar, Dipl.-Ing.
Patentanwälte Dannenberg Schubert Gudel Grosse Eschenheimer Strasse 39
60313 Frankfurt / DE
16.08.2004Invitation to proprietor to file observations on the notice of opposition
28.02.2005Reply of patent proprietor to notice(s) of opposition
07.03.2005Communication of observations of patent proprietor (Time limit: M06)
01.08.2005Reply of parties involved to observations of patent proprietor
03.07.2006Date of oral proceedings
17.07.2007Despatch of a communication from the opposition division (Time limit: M02)
17.07.2007Despatch of minutes of oral proceedings
17.09.2007Reply to a communication from the opposition division
22.09.2008Date of oral proceedings
09.02.2009Despatch of minutes of oral proceedings
09.02.2009Despatch of communication that the patent will be revoked
11.03.2011Despatch of interlocutory decision in opposition
11.03.2011Legal effect of interlocutory decision in opposition
29.06.2011Despatch of communication that the patent will be maintained as amended
10.10.2011Fee for printing new specification paid
Appeal following opposition08.04.2009Appeal received No.  T0854/09
19.06.2009Statement of grounds filed
11.03.2011Result of appeal procedure: maintenance in amended form
11.03.2011Date of oral proceedings
05.04.2011Minutes of the oral proceedings despatched
Fees paidRenewal fee
13.03.2002Renewal fee patent year 03
11.03.2003Renewal fee patent year 04
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Documents cited:Search[A]US3747998  (KLEIN G, et al) [A] 1-7 * column 2, line 18 - column 3, line 45 *;
 [A]US4929158  (GIRAULT JEAN-PHILIPPE [FR]) [A] 1-7 * column 1, line 50 - column 2, line 54 *;
 [A]US5270601  (RIGNEY II THOMAS K [US]) [A] 7 * column 2, lines 35-48 *;
 [A]US5289067  (TANAKA KATSUHIKO [JP], et al) [A] 1,2* column 3, line 67 - column 4, line 16 *
OppositionUS3045290
 JPS5858853
    - Proceedings of the Sixth International Symposium on Magnetic Bearings, Edited byPaul E. Allaire, David L. Trumper August 5-7, 1998, Massachusetts Institute of Technology Cambridge. Massachusetts. USA
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.