blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3814691

EP3814691 - METHOD TO CONTROL AND CLEAN A BOILER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.05.2023
Database last updated on 08.10.2024
FormerThe patent has been granted
Status updated on  27.05.2022
FormerGrant of patent is intended
Status updated on  31.01.2022
FormerRequest for examination was made
Status updated on  03.04.2021
FormerThe international publication has been made
Status updated on  03.01.2020
Formerunknown
Status updated on  03.08.2019
Most recent event   Tooltip09.02.2024Lapse of the patent in a contracting state
New state(s): IT		published on 13.03.2024  [2024/11]
Applicant(s)For all designated states
De' Longhi Appliances S.r.l. Con Unico Socio
Via L. Seitz 47
31100 Treviso / IT
[2021/18]
Inventor(s)01 / LORENZON, Antonio
c/o DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO
Via L. Seitz, 47
31100 TREVISO / IT
02 / GIROTTO, Riccardo
c/o DE' LONGHI APPLIANCES S.R.L. CON UNICO SOCIO
Via L. Seitz, 47
31100 TREVISO / IT
 [2021/18]
Representative(s)Petraz, Gilberto Luigi, et al
GLP S.r.l.
Viale Europa Unita, 171
33100 Udine / IT
[2021/18]
Application number, filing date19742973.125.06.2019
[2021/18]
WO2019IT50152
Priority number, dateIT2018000673227.06.2018         Original published format: IT201800006732
[2021/18]
Filing languageIT
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020003333
Date:02.01.2020
Language:EN
[2020/01]
Type: A1 Application with search report 
No.:EP3814691
Date:05.05.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 02.01.2020 takes the place of the publication of the European patent application.
[2021/18]
Type: B1 Patent specification 
No.:EP3814691
Date:29.06.2022
Language:EN
[2022/26]
Search report(s)International search report - published on:EP02.01.2020
ClassificationIPC:F24H1/00, F22B37/48, F24H9/00, F24H9/20
[2021/18]
CPC:
F24H1/0072 (EP); F24H9/2014 (EP,US); F22B37/48 (EP);
F24H15/14 (EP,US); F24H15/269 (EP,US); F24H15/395 (EP,US);
F24H15/486 (EP,US); F24H9/0042 (EP); F24H15/184 (EP,US);
F24H15/223 (EP,US); F24H15/242 (EP,US); F24H15/246 (EP,US);
F24H15/281 (EP,US); F24H15/288 (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 [2021/18]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR REGELUNG UND REINIGUNG EINES KESSELS[2021/18]
English:METHOD TO CONTROL AND CLEAN A BOILER[2021/18]
French:PROCÉDÉ DE COMMANDE ET DE NETTOYAGE D'UNE CHAUDIÈRE[2021/18]
Entry into regional phase11.12.2020National basic fee paid 
11.12.2020Designation fee(s) paid 
11.12.2020Examination fee paid 
Examination procedure11.12.2020Examination requested  [2021/18]
11.12.2020Date on which the examining division has become responsible
01.02.2022Communication of intention to grant the patent
24.05.2022Fee for grant paid
24.05.2022Fee for publishing/printing paid
24.05.2022Receipt of the translation of the claim(s)
Opposition(s)30.03.2023No opposition filed within time limit [2023/23]
Fees paidRenewal fee
05.05.2021Renewal fee patent year 03
31.03.2022Renewal fee patent year 04
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  TooltipAL29.06.2022
AT29.06.2022
CZ29.06.2022
DK29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
IT29.06.2022
LT29.06.2022
LV29.06.2022
MC29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SI29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
[2024/11]
Former [2024/09]AL29.06.2022
AT29.06.2022
CZ29.06.2022
DK29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
MC29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SI29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/37]AL29.06.2022
AT29.06.2022
CZ29.06.2022
DK29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SI29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/22]AL29.06.2022
AT29.06.2022
CZ29.06.2022
DK29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/21]AL29.06.2022
AT29.06.2022
DK29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/17]AL29.06.2022
AT29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/12]AT29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
IS29.10.2022
PT31.10.2022
Former [2023/11]AT29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
PL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
PT31.10.2022
Former [2023/09]AT29.06.2022
EE29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
RO29.06.2022
RS29.06.2022
SE29.06.2022
SK29.06.2022
SM29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
PT31.10.2022
Former [2023/07]AT29.06.2022
FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
RS29.06.2022
SE29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
Former [2023/02]FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
NL29.06.2022
RS29.06.2022
SE29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
Former [2022/50]FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
RS29.06.2022
SE29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
Former [2022/49]FI29.06.2022
HR29.06.2022
LT29.06.2022
LV29.06.2022
SE29.06.2022
BG29.09.2022
NO29.09.2022
GR30.09.2022
Former [2022/47]FI29.06.2022
LT29.06.2022
SE29.06.2022
NO29.09.2022
Cited inInternational search[A]DE19912444  (RATIONAL GMBH [DE]) [A] 1-9 * the whole document *;
 [A]US6236321  (TROOST IV HENRY E [US]) [A] 1-9 * the whole document *;
 [A]DE102006042902  (EUGSTER FRISMAG AG [CH]) [A] 1-9 * the whole document *;
 [A]DE102015016247  (STIEBEL ELTRON GMBH & CO KG [DE]) [A] 1-9* the whole document *;
 [A]WO2017182664  (DE' LONGHI APPLIANCES S R L CON UNICO SOCIO [IT]) [A] 1-9 * pages 5-11; figures 1, 2 *
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.