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Extract from the Register of European Patents

EP About this file: EP1533473

EP1533473 - Triple circuit turbine cooling [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.04.2008
Database last updated on 29.10.2024
Most recent event   Tooltip26.06.2009Change - representativepublished on 29.07.2009  [2009/31]
Applicant(s)For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady, NY 12345 / US
[N/P]
Former [2005/21]For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady, NY 12345 / US
Inventor(s)01 / Krammer, Erich Alois
7637 Walnut Creek Court
West Chester, Ohio 45069 / US
02 / Haubert, Richard Clay
3451 Morgan Ross Road
Hamilton, Ohio 45013 / US
03 / Lee, Ching-Pang
12 Camargo Pines Lane
Cincinnati, Ohio 45243 / US
04 / Maclin, Harvey Michael
8095 Carnaby Lane
Cincinnati, Ohio 45249 / US
 [2005/21]
Representative(s)Goode, Ian Roy, et al
London Patent Operation
General Electric International, Inc.
15 John Adam Street
London
WC2N 6LU / GB
[N/P]
Former [2009/31]Goode, Ian Roy, et al
London Patent Operation General Electric International, Inc. 15 John Adam Street London
WC2N 6LU / GB
Former [2005/21]Goode, Ian Roy, et al
London Patent Operation General Electric International, Inc. 15 John Adam Street
London WC2N 6LU / GB
Application number, filing date04257129.917.11.2004
[2005/21]
Priority number, dateUS2003071814920.11.2003         Original published format: US 718149
[2005/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1533473
Date:25.05.2005
Language:EN
[2005/21]
Type: B1 Patent specification 
No.:EP1533473
Date:13.06.2007
Language:EN
[2007/24]
Search report(s)(Supplementary) European search report - dispatched on:EP02.03.2005
ClassificationIPC:F01D5/08, F02C6/08, F02C7/12
[2005/21]
CPC:
F01D25/12 (EP,US); F01D5/082 (EP,US); F01D5/084 (EP,US);
F01D5/085 (EP,US); F02C7/18 (EP,US); Y02T50/60 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT [2006/07]
Former [2005/21]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LU,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Dreifacher Turbinenkühlkreislauf[2005/21]
English:Triple circuit turbine cooling[2005/21]
French:Triple circuit de refroidissement de turbine[2005/21]
Examination procedure25.11.2005Examination requested  [2006/04]
12.01.2006Despatch of a communication from the examining division (Time limit: M06)
21.07.2006Reply to a communication from the examining division
21.12.2006Communication of intention to grant the patent
02.05.2007Fee for grant paid
02.05.2007Fee for publishing/printing paid
Opposition(s)14.03.2008No opposition filed within time limit [2008/21]
Fees paidRenewal fee
30.11.2006Renewal fee patent year 03
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Documents cited:Search[XA]US3034298  (WHITE HARLAN V) [X] 1 * the whole document * [A] 3,4,8;
 [A]US4080785  (KOFF BERNARD L, et al) [A] 1* figure 1 *;
 [XA]US4741153  (HALLINGER CLAUDE C [FR], et al) [X] 1 * the whole document * [A] 4,8,10;
 [A]EP0469784  (GEN ELECTRIC [US]) [A] 1,5,7,8,10 * figures 2,3 *;
 [A]US5135354  (NOVOTNY RUDOLPH J [US]) [A] 1,3,5,6,8,10 * figure 1 *;
 [A]US5555721  (BOURNEUF JOHN J [US], et al) [A] 1,6,8 * figure 2 *;
 [A]US6050079  (DURGIN GEORGE A [US], et al) [A] 1,6,10 * figure 5 *;
 [A]EP1088963  (GEN ELECTRIC [US]) [A] 1,2,6,8-10 * figure 1 *
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.