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Extract from the Register of European Patents

EP About this file: EP3766598

EP3766598 - SYSTEM FOR CONTROLLING THE BLOWING OF A BASIC OXYGEN FURNACE TUYERE [Right-click to bookmark this link]
Former [2021/03]TUYERE FOR A BASIC OXYGEN FURNACE
[2021/38]
StatusNo opposition filed within time limit
Status updated on  10.02.2023
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  04.03.2022
FormerGrant of patent is intended
Status updated on  08.02.2022
FormerRequest for examination was made
Status updated on  10.01.2022
FormerGrant of patent is intended
Status updated on  28.09.2021
FormerRequest for examination was made
Status updated on  16.07.2021
FormerThe application has been published
Status updated on  18.12.2020
Most recent event   Tooltip26.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 28.01.2026  [2026/05]
Applicant(s)For all designated states
AIR PRODUCTS AND CHEMICALS, INC.
7201 Hamilton Boulevard
Allentown, Pennsylvania 18195 / US
[2021/03]
Inventor(s)01 / MAKWANA, Anandkumar
1055 Cetronia Road
Apt. N8
Breiningsville, PA Pennsylvania 18031 / US
02 / SANE, Anup Vasant
930 N. Cedar Crest Blvd.
Allentown, PA Pennsylvania 18104 / US
03 / BUZINSKI, Michael David
4340 Still Court
Slatington, PA Pennsylvania 18080 / US
04 / BURAGINO, Gregory J.
8944 Torrance Court
Fogelsville, PA Pennsylvania 18051 / US
 [2021/03]
Representative(s)Kador & Partner Part mbB
Corneliusstraße 15
80469 München / DE
[N/P]
Former [2021/03]Kador & Partner PartG mbB
Corneliusstraße 15
80469 München / DE
Application number, filing date20185446.013.07.2020
[2021/03]
Priority number, dateUS20191651412217.07.2019         Original published format: US201916514122
[2021/03]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3766598
Date:20.01.2021
Language:EN
[2021/03]
Type: B1 Patent specification 
No.:EP3766598
Date:06.04.2022
Language:EN
[2022/14]
Search report(s)(Supplementary) European search report - dispatched on:EP28.08.2020
ClassificationIPC:B22D1/00, C21C5/34, C21C5/35, C21C5/48, F27B3/22, F27D3/16
[2021/38]
CPC:
C21C5/35 (EP,BR); C21C5/48 (EP,BR,CN,KR); C21C5/5217 (KR);
C21C5/34 (EP,BR,US); B22D1/005 (EP,BR); C21B7/16 (US);
C21C5/32 (CN); C21C5/4673 (US); C21C7/072 (KR);
F27B3/225 (EP); F27D27/00 (KR); F27D3/16 (EP,US);
F27D99/0033 (KR); F27D2003/164 (EP); F27D2003/165 (EP);
F27D2003/167 (EP,US); F27D2003/168 (EP); F27D2027/002 (KR,US);
F27D2099/0036 (KR) (-)
Former IPC [2021/03]B22D1/00, C21C5/34, C21C5/35, C21C5/48, F27B3/22, F27D3/16, F23D14/24
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 [2021/33]
Former [2021/03]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 
TitleGerman:SYSTEM ZUR STEUERUNG DES BLASENS EINES SAUERSTOFFOFENS TUYERE[2021/38]
English:SYSTEM FOR CONTROLLING THE BLOWING OF A BASIC OXYGEN FURNACE TUYERE[2021/38]
French:SYSTEME DE CONTROLE DU SOUFFLAGE D'UNE TUYERE DE FOUR À OXYGENE[2021/38]
Former [2021/03]TUYERE FÜR EINEN SAUERSTOFFOFEN
Former [2021/03]TUYERE FOR A BASIC OXYGEN FURNACE
Former [2021/03]TUYÈRE POUR UN FOUR À OXYGÈNE
Examination procedure13.07.2021Amendment by applicant (claims and/or description)
13.07.2021Examination requested  [2021/33]
13.07.2021Date on which the examining division has become responsible
29.09.2021Communication of intention to grant the patent
10.01.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
10.01.2022Fee for grant paid
10.01.2022Fee for publishing/printing paid
16.02.2022Communication of intention to grant the patent
28.02.2022Receipt of the translation of the claim(s)
Opposition(s)10.01.2023No opposition filed within time limit [2023/11]
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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  TooltipHU13.07.2020
AL06.04.2022
AT06.04.2022
BG06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
MK06.04.2022
MT06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
TR06.04.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
[2026/05]
Former [2024/51]HU13.07.2020
AL06.04.2022
AT06.04.2022
BG06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
MK06.04.2022
MT06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2024/44]HU13.07.2020
AL06.04.2022
AT06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
MK06.04.2022
MT06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2024/26]HU13.07.2020
AL06.04.2022
AT06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
MK06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2024/23]AL06.04.2022
AT06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
MK06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2024/20]AL06.04.2022
AT06.04.2022
CY06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2024/11]AL06.04.2022
AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/33]AL06.04.2022
AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IE13.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/25]AL06.04.2022
AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/21]AL06.04.2022
AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
LU13.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/17]AL06.04.2022
AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/11]AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/09]AT06.04.2022
DK06.04.2022
EE06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
RO06.04.2022
RS06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/07]AT06.04.2022
DK06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
RS06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2022/51]AT06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
RS06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2022/50]AT06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
RS06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
PT08.08.2022
Former [2022/49]AT06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
PT08.08.2022
Former [2022/47]AT06.04.2022
FI06.04.2022
LT06.04.2022
NL06.04.2022
NO06.07.2022
PT08.08.2022
Former [2022/44]NL06.04.2022
Documents cited:Search[XI] EP2047001  (PRAXAIR TECHNOLOGY INC et al.)
 [X] US2017356645  (MILLER TODD A et al.)
 [A] WO2016103196  (OUTOTEC FINLAND OY et al.)
 [A] US3920447  (SCHROEDER DAVID L et al.)
 [A] US4249719  (BROTZMANN KARL et al.)
by applicantUS4417723
 US5329545
 US4758269
 US5458320
   FRUEHAN, R.J.: "The Making, Shaping and Treating of Steel : Steelmaking and Refining Volume", 1998, AIST, article "Oxygen Steelmaking Furnace Mechanical Description and Maintenance Considerations"
   MILLS, KENNETH C. ET AL.: "A review of slag splashing", ISIJ INTERNATIONAL, vol. 45, no. 5, 2005, pages 619 - 633, Retrieved from the Internet
   GUOGUANG, ZHAOHUSKEN, RAINERCAPPEL, JURGEN.: "Experience with long BOF campaign life and TBM bottom stirring technology", STAHL UND EISEN, vol. 132, 2012, pages 61 - 78
   FARMER LLACH DLANYI MWINCHESTER D.: "Gas injection tuyere design and experience", 72ND STEELMAKING CONFERENCE PROCEEDINGS, 1989, pages 487 - 495
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.