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Extract from the Register of European Patents

EP About this file: EP3067435

EP3067435 - METHOD FOR PRODUCING A HEAVY-DUTY COMPONENT MADE OF AN ALPHA+GAMMA TITANIUM ALUMINIDE ALLOY FOR PISTON ENGINES AND GAS TURBINES, IN PARTICULAR JET ENGINES [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  22.10.2021
Database last updated on 24.08.2024
FormerThe patent has been granted
Status updated on  23.06.2017
FormerGrant of patent is intended
Status updated on  12.04.2017
Most recent event   Tooltip22.10.2021Patent maintained (B2 publication)published on 24.11.2021  [2021/47]
Applicant(s)For all designated states
LEISTRITZ Turbinentechnik GmbH
Lempstrasse 24
42859 Remscheid / DE
[2016/37]
Inventor(s)01 / Baumgärtner, Marianne
Kappengasse 20
90402 Nürnberg / DE
02 / Janschek, Peter
Flotowst. 56
40593 Düsseldorf / DE
 [2016/37]
Representative(s)Lindner Blaumeier Patent- und Rechtsanwälte
Partnerschaftsgesellschaft mbB
Dr. Kurt-Schumacher-Str. 23
90402 Nürnberg / DE
[2016/37]
Application number, filing date16153407.829.01.2016
[2016/37]
Priority number, dateDE20151010342209.03.2015         Original published format: DE102015103422
[2016/37]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3067435
Date:14.09.2016
Language:DE
[2016/37]
Type: B1 Patent specification 
No.:EP3067435
Date:26.07.2017
Language:DE
[2017/30]
Type: B2 New European patent specification 
No.:EP3067435
Date:24.11.2021
Language:DE
[2021/47]
Search report(s)(Supplementary) European search report - dispatched on:EP18.07.2016
ClassificationIPC:C22C14/00, C22F1/18
[2016/37]
CPC:
C22F1/183 (EP,US); C21D1/26 (EP,US); C21D1/30 (EP,US);
C21D8/00 (EP,US); C21D9/0068 (EP,US); C22C14/00 (EP,US);
C22C30/00 (EP,US); C22F1/002 (EP,US); C22F1/02 (EP,US);
C22F1/16 (EP,US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2016/43]
Former [2016/37]AL,  AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  RS,  SE,  SI,  SK,  SM,  TR 
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES HOCHBELASTBAREN BAUTEILS AUS EINER ALPHA+GAMMA-TITANALUMINID-LEGIERUNG FÜR KOLBENMASCHINEN UND GASTURBINEN, INSBESONDERE FLUGTRIEBWERKE[2016/37]
English:METHOD FOR PRODUCING A HEAVY-DUTY COMPONENT MADE OF AN ALPHA+GAMMA TITANIUM ALUMINIDE ALLOY FOR PISTON ENGINES AND GAS TURBINES, IN PARTICULAR JET ENGINES[2016/37]
French:PROCEDE DE PRODUCTION D'UN COMPOSANT TRES RESISTANT EN ALLIAGE D'ALUMINURE DE TITANE ALPHA+GAMMA POUR MACHINES A PISTON ET TURBINES A GAZ, EN PARTICULIER GROUPES MOTOPROPULSEURS[2016/37]
Examination procedure16.09.2016Amendment by applicant (claims and/or description)
16.09.2016Examination requested  [2016/43]
13.04.2017Communication of intention to grant the patent
13.06.2017Fee for grant paid
13.06.2017Fee for publishing/printing paid
13.06.2017Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  25.04.2018  30.04.2018  ADMISSIBLE
LISI AEROSPACE
42/52 quai de la Râpée
75012 Paris / FR
Opponent's representative
Lavoix
2, place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
 02  26.04.2018  21.07.2021  WITHDRAWN
MTU Aero Engines GmbH
Dachauer Strasse 665
80995 MÜNCHEN / DE
Opponent's representative
Lang, Christian
LangPatent Anwaltskanzlei IP Law Firm
Ingolstädter Straße 5
80807 München / DE
 [2021/34]
Former [2018/23]
Opponent(s)01  25.04.2018  30.04.2018  ADMISSIBLE
LISI AEROSPACE
42/52 quai de la Râpée
75012 Paris / FR
Opponent's representative
Lavoix
2, place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
 02  26.04.2018  02.05.2018  ADMISSIBLE
MTU Aero Engines GmbH
Dachauer Strasse 665
80995 MÜNCHEN / DE
Opponent's representative
Lang, Christian
LangPatent Anwaltskanzlei
IP Law Firm
Rosenheimer Straße 139
81671 München / DE
Former [2018/22]
Opponent(s)01  25.04.2018    ADMISSIBLE
LISI AEROSPACE
42/52 quai de la Râpée
75012 Paris / FR
Opponent's representative
Lavoix
2, place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
16.05.2018Invitation to proprietor to file observations on the notice of opposition
21.09.2018Reply of patent proprietor to notice(s) of opposition
03.09.2019Date of oral proceedings
01.10.2019Despatch of interlocutory decision in opposition
01.10.2019Despatch of minutes of oral proceedings
21.07.2021Legal effect of interlocutory decision in opposition
23.08.2021Despatch of communication that the patent will be maintained as amended
14.10.2021Fee for printing new specification paid
Appeal following opposition09.12.2019Appeal received No.  T3244/19
10.02.2020Statement of grounds filed
21.07.2021Result of appeal procedure: appeal of the opponent withdrawn
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Lapses during opposition  TooltipHU29.01.2016
AL26.07.2017
CY26.07.2017
CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MK26.07.2017
MT26.07.2017
NL26.07.2017
PT26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
TR26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
[2020/34]
Former [2020/31]HU29.01.2016
CY26.07.2017
CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MK26.07.2017
MT26.07.2017
NL26.07.2017
PT26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
TR26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
Former [2020/30]HU29.01.2016
CZ26.07.2017
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EE26.07.2017
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FI26.07.2017
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MC26.07.2017
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NL26.07.2017
PT26.07.2017
RO26.07.2017
RS26.07.2017
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SK26.07.2017
SM26.07.2017
TR26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
Former [2020/28]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MT26.07.2017
NL26.07.2017
PT26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
TR26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
Former [2020/15]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
TR26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
Former [2020/04]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
CH31.01.2019
LI31.01.2019
Former [2019/30]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MC26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
Former [2019/09]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
IE29.01.2018
LU29.01.2018
BE31.01.2018
Former [2018/50]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
LU29.01.2018
BE31.01.2018
Former [2018/47]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
LU29.01.2018
Former [2018/43]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
MT26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/40]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SI26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/24]CZ26.07.2017
DK26.07.2017
EE26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
NL26.07.2017
RO26.07.2017
RS26.07.2017
SK26.07.2017
SM26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/21]CZ26.07.2017
DK26.07.2017
ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
NL26.07.2017
RS26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/12]ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
LV26.07.2017
NL26.07.2017
RS26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/11]ES26.07.2017
FI26.07.2017
HR26.07.2017
LT26.07.2017
NL26.07.2017
RS26.07.2017
BG26.10.2017
NO26.10.2017
GR27.10.2017
IS26.11.2017
Former [2018/08]FI26.07.2017
LT26.07.2017
NL26.07.2017
NO26.10.2017
Former [2018/07]LT26.07.2017
NO26.10.2017
Documents cited:Search[XA]US5328530  (SEMIATIN SHELDON L [US], et al) [X] 20 * column 3, line 30 - line 32 * [A] 1-19;
 [XA]DE102007051499  (MTU AERO ENGINES GMBH [DE]) [X] 20 * paragraphs [0001] , [0005] , [0006] , [0009] , [0015] , [0019] * [A] 1-19;
 [XA]EP2386663  (BOEHLER SCHMIEDETECHNIK GMBH & CO KG [AT]) [X] 20 * paragraphs [0001] , [0004] , [0013] , [0018] * [A] 1-19;
 [XD]DE10150674  (LEISTRITZ AG [DE], et al) [XD] 20 * the whole document *
by applicantDE10150674
 DE10150674
OppositionUS8888461
 US8864918
 US2007034350
 US5328530
 US5299353
 US2014202601
 EP1127949
 DE10150674
 DE102015103422
 EP2386663
 WO2013020548
 EP1649954
 EP2251445
 JP2015004092
 EP3012337
 JPH08283890
 DE102007051499
 EP2272993
    - George E Dieter, "Chapter 2 Bulk Workability of Metals", George E Dieter, Dieter et al., Handbook of Workability and Process Design, ASM International, pages 22 - 25, ISBN 0-87170-778-0, XP0055486181
    - HUANG ZHAO-HUI et al., "Isothermal forging of y-TiAI based alloys", Transf. Nonferrous Met. Soc. China, (20031200), vol. 13, pages 1325 - 1328, XP055486187
    - ZHANG H. et al., "Process optimization for isothermal forging of TiAI Compressor blade by Numérical Simulation", 2nd International Conférence on Computer Engineering and Technology, (20100416), vol. 5, pages V5-412 - V5-415, XP031690316
    - STANLEY ABKOWITZ et al., "Alloying and heat-treatment", Titanium in Industry, van Nostrand, (19550000), pages 56 - 59, XP055486201
    - "Forming and Forging", ASM Handbook, vol. 14
    - Anonymous, "Advanced Materials", AMG
    - HELMUT CLEMENS et al., "Materials for Aircraft Engines", 7th European Winter School on Neutrons and Synchrotron Radiation, (20110309), pages 1 - 44, URL: http://planner2011.unileoben.ac.at/fileadmin/shares/planner2011/docs/private/16-Clemens.pdf, XP055486257
    - JACQUES TSCHOFFEN et al., "Development of forging processes for TiAI engine components for aerospace and automotive components", International Workshop on Gamma Alloy Technology, Toulouse, France, (20130611), pages 1 - 23, XP055486295
    - G. SAUTHOFF, Titan - Aluminid - Legierungen - Eine Werkstoff- gruppe mit Zukunft, Forschungszentrum Jülich - Projektträger Jülich PTJ, (20030000), ISBN 3-89336-318-1, XP055486469
    - Deng Zhihai et al., "Hot Workability and Microstructure Evolution of TiAI Alloyin (a2+y) Dual-phase Field", Rare Metal Materials and Engineering, (20130700), vol. 42, no. 7, pages 1356 - 1361, XP055486540
    - Yang Fei et al., "Effect of Heat Treatment on Microstructure and Propertiesof as-Forged TiAI Alloy with beta Phase", Rare Metal Materials and Engineering, (20110900), vol. 40, no. 9, pages 1505 - 1509, XP055486550
    - George E Dieter, "Chapter 2 Bulk Workability of Metals", George E Dieter, Dieter et al., Handbook of Workability and Process Design, ASM International, pages 22 - 25, ISBN 0-87170-778-0
    - HUANG ZHAO-HUI et al., "Isothermal forging of y-TiAI based alloys", Transf. Nonferrous Met. Soc. China, (20031200), vol. 13, pages 1325 - 1328
    - ZHANG H. et al., "Process optimization for isothermal forging of TiAI Compressor blade by Numérical Simulation", 2nd International Conférence on Computer Engineering and Technology, (20100416), vol. 5, pages V5-412 - V5-415
    - STANLEY ABKOWITZ et al., "Alloying and heat-treatment", Titanium in Industry, van Nostrand, (19550000), pages 56 - 59
    - Extrakt aus einem GfE Katalog, y-TiAI, datiert März 2010
    - HELMUT CLEMENS et al., "Materials for Aircraft Engines", 7th European Winter School on Neutrons and Synchrotron Radiation, (20110309), pages 1 - 44, URL: http://planner2011.unileoben.ac.at/fileadmin/shares/planner2011/docs/private/16-Clemens.pdf
    - Programm der '7th European Winter School on Neutrons and Synchroton Radiation, 2011
    - JACQUES TSCHOFFEN et al., "Development of forging processes for TiAI engine components for aerospace and automotive components", International Workshop on Gamma Alloy Technology, Toulouse, France, (20130611), pages 1 - 23
    - Programm International Workshop on Gamma Alloy Technology, Toulouse, FR, 11-14 Juni 2013
    - G. SAUTHOFF, Titan - Aluminid - Legierungen - Eine Werkstoff- gruppe mit Zukunft, Forschungszentrum Jülich - Projektträger Jülich PTJ, (20030000), ISBN 3-89336-318-1
    - Deng Zhihai et al., "Hot Workability and Microstructure Evolution of TiAI Alloyin (a2+y) Dual-phase Field", Rare Metal Materials and Engineering, (20130700), vol. 42, no. 7, pages 1356 - 1361
    - Yang Fei et al., "Effect of Heat Treatment on Microstructure and Propertiesof as-Forged TiAI Alloy with beta Phase", Rare Metal Materials and Engineering, (20110900), vol. 40, no. 9, pages 1505 - 1509
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