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Extract from the Register of European Patents

EP About this file: EP0657689

EP0657689 - Staged air, low NOx burner with internal recuperative flue gas recirculation [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.09.1998
Database last updated on 30.09.2024
Most recent event   Tooltip26.06.2009Change - representativepublished on 29.07.2009  [2009/31]
Applicant(s)For all designated states
GAS RESEARCH INSTITUTE
8600 West Bryn Mawr Avenue Chicago
Illinois 60631-3562 / US
[N/P]
Former [1995/24]For all designated states
GAS RESEARCH INSTITUTE
8600 West Bryn Mawr Avenue
Chicago Illinois 60631-3562 / US
Inventor(s)01 / Moreland, Donald P.
1067 Hillview Lane
Hershey Pennysylvania 17033 / US
[1995/24]
Representative(s)Jones, William
Willow Lane House Willow Lane Norwich
Norfolk NR2 1EU / GB
[2009/31]
Former [1995/24]Jones, William
Willow Lane House Willow Lane
Norwich Norfolk, NR2 1EU / GB
Application number, filing date94308752.828.11.1994
[1995/24]
Priority number, dateUS1993016644913.12.1993         Original published format: US 166449
[1995/24]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0657689
Date:14.06.1995
Language:EN
[1995/24]
Type: B1 Patent specification 
No.:EP0657689
Date:05.11.1997
Language:EN
[1997/45]
Search report(s)(Supplementary) European search report - dispatched on:EP03.04.1995
ClassificationIPC:F23C6/04, F23C9/00, F23C7/06
[1995/24]
CPC:
G01R33/56 (EP,US); F23C6/045 (EP,US); F23C7/06 (EP,US);
F23C9/00 (EP,US); G01R33/58 (EP,US); F23C2201/20 (EP,US);
F23C2202/10 (EP,US); F23C2900/06041 (EP,US); F23C2900/09002 (EP,US);
F23L2900/15043 (EP,US); Y02E20/34 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1995/24]
TitleGerman:Brenner mit niedrigem NOx-Gehalt, mit abgestufter Luftzufuhr mit interner rekuperativer Rauchgasrückführung[1995/24]
English:Staged air, low NOx burner with internal recuperative flue gas recirculation[1995/24]
French:Brûleur à faible taux de nox, à alimentation en air étagée avec recyclage interne récupérateur des fumées[1995/24]
Examination procedure06.12.1995Examination requested  [1996/05]
22.01.1997Despatch of communication of intention to grant (Approval: Yes)
06.05.1997Communication of intention to grant the patent
16.07.1997Fee for grant paid
16.07.1997Fee for publishing/printing paid
Opposition(s)06.08.1998No opposition filed within time limit [1998/44]
Fees paidRenewal fee
28.10.1996Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT05.11.1997
BE05.11.1997
CH05.11.1997
DK05.11.1997
ES05.11.1997
FR05.11.1997
IT05.11.1997
LI05.11.1997
NL05.11.1997
LU28.11.1997
SE05.02.1998
DE06.02.1998
[2004/38]
Former [2004/35]AT05.11.1997
BE05.11.1997
CH05.11.1997
DK05.11.1997
ES05.11.1997
FR05.11.1997
IT05.11.1997
LI05.11.1997
NL05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
Former [2003/08]AT05.11.1997
BE05.11.1997
CH05.11.1997
DK05.11.1997
ES05.11.1997
IT05.11.1997
LI05.11.1997
NL05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [2002/26]AT05.11.1997
BE05.11.1997
CH05.11.1997
DK05.11.1997
ES05.11.1997
IT05.11.1997
LI05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [2000/52]AT05.11.1997
BE05.11.1997
CH05.11.1997
DK05.11.1997
IT05.11.1997
LI05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [2000/50]AT05.11.1997
BE05.11.1997
DK05.11.1997
IT05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
CH10.02.1998
LI10.02.1998
FR03.04.1998
Former [2000/07]AT05.11.1997
BE05.11.1997
DK05.11.1997
IT05.11.1997
LU30.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [1999/42]AT05.11.1997
BE05.11.1997
DK05.11.1997
IT05.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [1998/46]AT05.11.1997
BE05.11.1997
DK05.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [1998/44]AT05.11.1997
DK05.11.1997
SE05.02.1998
DE06.02.1998
FR03.04.1998
Former [1998/35]AT05.11.1997
DK05.11.1997
SE05.02.1998
DE06.02.1998
Former [1998/30]AT05.11.1997
DK05.11.1997
DE06.02.1998
Documents cited:Search[A]US4060379  (LAHAYE PAUL G, et al) [A] 1,2,5 * column 4, line 61 - column 5, line 20 * * column 5, line 62 - column 6, line 39 * * column 6, line 51 - column 7, line 14 * * figure 9 *;
 [A]GB1581300  (FLYNN BURNER CORP);
 [A]GB2126331  (STORDY COMBUSTION ENG);
 [AP]WO9409315  (GAS RES INST INC [US], et al) [AP] 1-4,9,10 * figure 1; claims 1,2,6,13,14 *
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.