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Extract from the Register of European Patents

EP About this file: EP1433865

EP1433865 - High-strength Ni-base superalloy and gas turbine blades [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  09.01.2015
Database last updated on 06.11.2024
Most recent event   Tooltip09.01.2015Patent maintained (B2 publication)published on 11.02.2015  [2015/07]
Applicant(s)For all designated states
Mitsubishi Hitachi Power Systems, Ltd.
3-1, Minatomirai 3-chome, Nishi-ku
Yokohama, Kanagawa 220-8401 / JP
[2014/43]
Former [2006/11]For all designated states
Hitachi, Ltd.
6 Kanda Surugadai 4-chome Chiyoda-ku
Tokyo 100-8010 / JP
Former [2004/27]For all designated states
Hitachi, Ltd.
6 Kanda Surugadai 4-chome
Chiyoda-ku, Tokyo 101-8010 / JP
Inventor(s)01 / Yoshinari, Akira, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg.
5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
02 / Tamaki, Hideki, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg.
5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
03 / Doi, Hiroyuki, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg.
5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
 [2015/07]
Former [2004/27]01 / Yoshinari, Akira, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg., 5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
02 / Tamaki, Hideki, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg., 5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
03 / Doi, Hiroyuki, Hitachi, Ltd., Int.Prop.Group
New Marunouchi Bldg., 5-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 / JP
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[2015/07]
Former [2004/27]Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
Application number, filing date03009539.228.04.2003
[2004/27]
Priority number, dateJP2002036454117.12.2002         Original published format: JP 2002364541
[2004/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1433865
Date:30.06.2004
Language:EN
[2004/27]
Type: B1 Patent specification 
No.:EP1433865
Date:15.03.2006
Language:EN
[2006/11]
Type: B2 New European patent specification 
No.:EP1433865
Date:11.02.2015
Language:EN
[2015/07]
Search report(s)(Supplementary) European search report - dispatched on:EP31.03.2004
ClassificationIPC:C22C19/05
[2004/27]
CPC:
C22C19/058 (EP,US); C22C19/056 (EP,US)
Designated contracting statesDE,   FR,   GB,   SE [2005/12]
Former [2004/27]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Hochfeste Superlegierung auf Nickelbasis und Gasturbinenschaufeln[2004/27]
English:High-strength Ni-base superalloy and gas turbine blades[2004/27]
French:Superalliage à haute résistance à base de nickel et aubes de turbine à gaz[2004/27]
Examination procedure03.09.2004Examination requested  [2004/45]
07.10.2004Despatch of a communication from the examining division (Time limit: M04)
15.02.2005Reply to a communication from the examining division
05.09.2005Communication of intention to grant the patent
03.01.2006Fee for grant paid
03.01.2006Fee for publishing/printing paid
Opposition(s)Opponent(s)01  30.10.2006  08.11.2006  ADMISSIBLE
Siemens Aktiengesellschaft
Wittelsbacherplatz 2
80333 München / DE
Opponent's representative
Siegler, Frank
Siemens AG
Postfach 22 16 34
80506 München / DE
 [N/P]
Former [2006/50]
Opponent(s)01  30.10.2006  08.11.2006  ADMISSIBLE
SIEMENS, AKTIENGESELLSCHAFT
Postfach 22 16 34
D- 80506 München / DE
Opponent's representative
Siegler, Frank
Patentanwalt Siemens AG Postfach 22 16 34
80506 München / DE
23.01.2007Invitation to proprietor to file observations on the notice of opposition
31.10.2007Reply of patent proprietor to notice(s) of opposition
13.11.2007Communication of observations of patent proprietor (Time limit: M02)
27.11.2007Reply of parties involved to observations of patent proprietor
15.10.2012Date of oral proceedings
26.10.2012Despatch of interlocutory decision in opposition
26.10.2012Despatch of minutes of oral proceedings
04.08.2014Legal effect of interlocutory decision in opposition
17.09.2014Despatch of communication that the patent will be maintained as amended
16.12.2014Fee for printing new specification paid
Appeal following opposition19.12.2012Appeal received No.  T0021/13
15.01.2013Statement of grounds filed
15.07.2014Result of appeal procedure: appeal of the opponent was rejected
Fees paidRenewal fee
18.04.2005Renewal fee patent year 03
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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[X]CH501058  (INT NICKEL LTD [GB]) [X] 1,4-8,10,15 * column 1, line 30 - column 2, line 6 *;
 [A]EP0361084  (GEN ELECTRIC [US]);
 [A]US5516381  (KAWAI HISATAKA [JP], et al);
 [X]EP0937784  (MITSUBISHI HEAVY IND LTD [JP]) [X] 1,4,5,8,10 * table 2 *;
 [A]WO9967435  (SIEMENS AG [DE], et al);
 [A]US6322643  (MITSUHASHI AKIRA [JP], et al);
 [AD]US6416596  (WOOD JOHN H [US], et al);
 [XA]  - WAHLL M.J. ET AL, Handbook of superalloys - International alloy compositions and designations series, OHIO, USA, BATTELLE PRESS, (1979), ISBN 0-935470-01-8, XP002272168 [X] 1-8 * page 82, line 1224 * [A] 9-16
 [A]  - CHERUVU N S, "Development of a corrosion resistant directionally solidified material for land based turbine blades", COMPENDEX, ENGINEERING INFORMATION, INC., NEW YORK, NY, US, Database accession no. EIX99044488784, XP002272169 [A] 1-16 * abstract *
 [A]  - N'GANDU MUAMBA J M ET AL, "L'INFLUENCE DU HAFNIUM DU SUBSTRAT SUR LA RESISTANCE A L'OXYDATION DES REVETEMENTS D'ALUMINIURES SUR LES SUPERALLIAGES BASE NICKEL.", COMPENDEX, ENGINEERING INFORMATION, INC., NEW YORK, NY, US, Database accession no. EIX87080127804, XP002272170 [A] 11,12 * abstract *
    [ ] - J ENG GAS TURBINES POWER TRANS ASME;JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER, TRANSACTIONS OF THE ASME OCT 1998 ASME, FAIRFIELD, NJ, USA, (199810), vol. 120, no. 4, pages 744 - 750, XP009026878
    [ ] - PROC OF THE FIRST INT SYMP ON HIGH TEMP CORROS OF MATER AND COAT FOR ENERGY SYST AND TURBOENGINES - PART II;MARSEILLE, FR JUL 7-11 1987, Mater Sci Eng Apr 1987, (198704), vol. 88, pages 111 - 121, XP009026879

DOI:   http://dx.doi.org/10.1016/0025-5416(87)90074-7
OppositionFR2009771
 EP0076360
 GB2234521
 EP0684321
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