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Extract from the Register of European Patents

EP About this file: EP0846617

EP0846617 - Surface device provided for a wall in contact with a flowing fluid being turbulent in the main fluid flow direction [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.02.2004
Database last updated on 14.09.2024
Most recent event   Tooltip12.09.2008Change - representativepublished on 15.10.2008  [2008/42]
Applicant(s)For all designated states
Deutsches Zentrum für Luft- und Raumfahrt e.V
53127 Bonn / DE
[1999/12]
Former [1998/24]For all designated states
Deutsches Zentrum für Luft- und Raumfahrt e.V.
53127 Bonn / DE
Inventor(s)01 / Bechert, Dietrich W., Dr.
Goethestrasse 69
10625 Berlin / DE
[1998/24]
Representative(s)REHBERG HÜPPE + PARTNER
Patentanwälte PartG mbB
Robert-Gernhardt-Platz 1
37073 Göttingen / DE
[N/P]
Former [2008/42]Rehberg Hüppe + Partner
Patentanwälte Postfach 31 62
37021 Göttingen / DE
Former [1998/24]Patentanwälte Rehberg + Hüppe
Am Kirschberge 22
37085 Göttingen / DE
Application number, filing date97120247.819.11.1997
[1998/24]
Priority number, dateDE199615043905.12.1996         Original published format: DE 19650439
[1998/24]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0846617
Date:10.06.1998
Language:DE
[1998/24]
Type: A3 Search report 
No.:EP0846617
Date:29.12.1999
[1999/52]
Type: B1 Patent specification 
No.:EP0846617
Date:23.04.2003
Language:DE
[2003/17]
Search report(s)(Supplementary) European search report - dispatched on:EP17.11.1999
ClassificationIPC:B64C21/10
[1998/24]
CPC:
F15D1/12 (EP,US); B62D35/00 (EP,US); B64C21/10 (EP,US);
B64C2230/26 (EP,US); Y02T50/10 (EP,US)
Designated contracting statesFR,   GB [2000/36]
Former [1998/24]AT,  BE,  CH,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Oberfläche für eine von einer eine Strömungshauptrichtung aufweisenden Strömung turbulent umströmten Wand[1998/24]
English:Surface device provided for a wall in contact with a flowing fluid being turbulent in the main fluid flow direction[1998/24]
French:Elément de surface disposé sur une paroi parcourue par un fluide présentant un écoulement turbulent dans la direction principale d'écoulement.[1998/24]
Examination procedure07.01.2000Examination requested  [2000/10]
30.06.2000Loss of particular rights, legal effect: designated state(s)
02.10.2000Despatch of communication of loss of particular rights: designated state(s) AT, BE, CH, DE, DK, ES, FI, GR, IE, IT, LI, LU, MC, NL, PT, SE
08.10.2001Despatch of a communication from the examining division (Time limit: M04)
30.01.2002Reply to a communication from the examining division
22.05.2002Despatch of communication of intention to grant (Approval: No)
03.07.2002Despatch of communication of intention to grant (Approval: later approval)
06.11.2002Communication of intention to grant the patent
16.12.2002Fee for grant paid
16.12.2002Fee for publishing/printing paid
Opposition(s)26.01.2004No opposition filed within time limit [2004/16]
Fees paidRenewal fee
23.10.1999Renewal fee patent year 03
19.10.2000Renewal fee patent year 04
13.10.2001Renewal fee patent year 05
05.10.2002Renewal fee patent year 06
Penalty fee
Penalty fee Rule 85a EPC 1973
27.07.2000AT   M01   Not yet paid
27.07.2000BE   M01   Not yet paid
27.07.2000CH   M01   Not yet paid
27.07.2000DE   M01   Not yet paid
27.07.2000DK   M01   Not yet paid
27.07.2000ES   M01   Not yet paid
27.07.2000FI   M01   Not yet paid
27.07.2000GR   M01   Not yet paid
27.07.2000IE   M01   Not yet paid
27.07.2000IT   M01   Not yet paid
27.07.2000LU   M01   Not yet paid
27.07.2000MC   M01   Not yet paid
27.07.2000NL   M01   Not yet paid
27.07.2000PT   M01   Not yet paid
27.07.2000SE   M01   Not yet paid
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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[DX]EP0205289  (MINNESOTA MINING & MFG [US]) [DX] 1,4 * page 9, line 26 - page 10, line 12; figure 2 *;
 [A]DE3534293  (MESSERSCHMITT BOELKOW BLOHM [DE]) [A] 1 * column 3, line 3 - line 4 *;
 [A]EP0411351  (DESCENTE LTD [JP]) [A] 1 * column 7, line 27 - line 37; figure 6 *;
 [A]US4706910  (WALSH MICHAEL J [US], et al) [A] 1 * column 4, line 19 - line 36 *;
 [DA]  - M. BRUSE, D.W. BECHERT, J.G.T. VAN DER HOEVEN, W. HAGE, G. HOPPE, "Experiments with conventional and withnovel adjustable drag-reducing surfaces", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NEAR-WALL TURBULENT FLOWS, Tempe,Arizona,USA, (19930315), pages 719 - 738, XP002118583 [DA] 1 * page 722 *
by applicantEP0205289
    - D.W. BECHERT, G. HOPPE, J.G.T. VAN DER HOEVEN, R. MAKRIS, THE BERLIN OIL CHANNEL FOR DRAG REDUCTION RESEARCH, EXP. IN FLUIDS 12, (1992), pages 251 - 260
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.