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

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
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: EP3431743

EP3431743 - METHOD AND APPARATUS FOR OPERATING A GAS ENGINE AT LOW POWER OPERATION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.07.2024
Database last updated on 18.03.2026
FormerThe patent has been granted
Status updated on  28.07.2023
FormerGrant of patent is intended
Status updated on  30.03.2023
FormerExamination is in progress
Status updated on  07.03.2023
FormerGrant of patent is intended
Status updated on  09.11.2022
FormerExamination is in progress
Status updated on  26.10.2022
FormerGrant of patent is intended
Status updated on  30.06.2022
FormerExamination is in progress
Status updated on  10.06.2022
FormerGrant of patent is intended
Status updated on  15.02.2022
FormerExamination is in progress
Status updated on  22.10.2021
FormerRequest for examination was made
Status updated on  28.06.2019
FormerThe application has been published
Status updated on  21.12.2018
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
Geisberger, Maximilian
Hasserham 4
84419 Schwindegg / DE
[2019/04]
Inventor(s)01 / Geisberger, Maximilian
Hassenham 4
84419 Schwindegg / DE
02 / Eichhorn, Sebastian
Von-Eichendorff-Straße 12
83624 Otterfing / DE
 [2019/04]
Representative(s)Flügel Preissner Schober Seidel
Patentanwälte PartG mbB
Nymphenburger Straße 20
80335 München / DE
[2023/35]
Former [2019/04]Flügel Preissner Schober Seidel
Patentanwälte PartG mbB
Nymphenburger Strasse 20
80335 München / DE
Application number, filing date18184622.120.07.2018
[2019/04]
Priority number, dateDE20171011640220.07.2017         Original published format: DE102017116402
[2019/04]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3431743
Date:23.01.2019
Language:DE
[2019/04]
Type: B1 Patent specification 
No.:EP3431743
Date:30.08.2023
Language:DE
[2023/35]
Search report(s)(Supplementary) European search report - dispatched on:EP13.11.2018
ClassificationIPC:F02D41/06, F02D41/00, F02M21/02, F02D19/02, // F02D9/02
[2022/09]
CPC:
F02D41/0027 (EP); F02D19/023 (EP); F02D41/062 (EP);
F02M21/0218 (EP); F02M21/0239 (EP); F02M21/0278 (EP);
F02M21/0284 (EP); F02D2009/0242 (EP); Y02T10/30 (EP) (-)
Former IPC [2019/04]F02D41/06, F02D41/00, F02M21/02, F02D19/02
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 [2019/31]  
Former [2019/04]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:VERFAHREN UND VORRICHTUNG ZUM BETREIBEN EINES GASMOTORS BEI BETRIEB MIT NIEDRIGER LEISTUNG[2019/04]
English:METHOD AND APPARATUS FOR OPERATING A GAS ENGINE AT LOW POWER OPERATION[2019/04]
French:PROCÉDÉ ET DISPOSITIF DE FONCTIONNEMENT D'UN MOTEUR À GAZ LORS DU FONCTIONNEMENT À FAIBLE PUISSANCE[2019/04]
Examination procedure18.06.2019Amendment by applicant (claims and/or description)
18.06.2019Examination requested  [2019/31]
18.06.2019Date on which the examining division has become responsible
25.10.2021Despatch of a communication from the examining division (Time limit: M04)
29.11.2021Reply to a communication from the examining division
16.02.2022Communication of intention to grant the patent
08.06.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
01.07.2022Communication of intention to grant the patent
26.10.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
10.11.2022Communication of intention to grant the patent
06.03.2023Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
31.03.2023Communication of intention to grant the patent
14.06.2023Fee for grant paid
14.06.2023Fee for publishing/printing paid
14.06.2023Receipt of the translation of the claim(s)
Opposition(s)03.06.2024No opposition filed within time limit [2024/32]
Fees paidRenewal fee
16.07.2020Renewal fee patent year 03
28.07.2021Renewal fee patent year 04
27.07.2022Renewal fee patent year 05
26.07.2023Renewal fee patent year 06
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  TooltipCY20.07.2018
HU20.07.2018
CZ30.08.2023
ES30.08.2023
HR30.08.2023
MC30.08.2023
PL30.08.2023
RO30.08.2023
RS30.08.2023
SK30.08.2023
SM30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
[2026/16]
Former [2025/51]CY20.07.2018
CZ30.08.2023
ES30.08.2023
HR30.08.2023
MC30.08.2023
PL30.08.2023
RO30.08.2023
RS30.08.2023
SK30.08.2023
SM30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2025/11]CZ30.08.2023
ES30.08.2023
HR30.08.2023
MC30.08.2023
PL30.08.2023
RO30.08.2023
RS30.08.2023
SK30.08.2023
SM30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2024/23]CZ30.08.2023
ES30.08.2023
HR30.08.2023
PL30.08.2023
RO30.08.2023
RS30.08.2023
SK30.08.2023
SM30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2024/20]HR30.08.2023
PL30.08.2023
RS30.08.2023
SM30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2024/10]HR30.08.2023
PL30.08.2023
RS30.08.2023
NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2024/09]NO30.11.2023
GR01.12.2023
IS30.12.2023
Former [2024/08]NO30.11.2023
GR01.12.2023
Documents cited:Search[XPY] DE102017100976  (GEISBERGER MAXIMILIAN et al.) [XP] 5-11 * the whole document *[Y] 1,4
 [YA] JPS6198955  (AISAN IND et al.) [Y] 1,4 * the whole document *[A] 2,3,5-11
 [XA] US2011308500  (SATO AKIRA et al.) [X] 5,6,8-11 * figure 1 *[A] 1-4
 [XA] EP0812980  (CUMMINS ENGINE CO INC et al.) [X] 5,6,8-11 * column 2, line 10 - column 3, line 14; figures 2, 4 *[A] 1-4
 [A] US2011077847  (BARR SOREN ANDREW et al.) [A] 1-11 * figure 1; claims 1,2,9,19,26 *
 [A] US5337722  (KURIHARA NORIYUKI et al.) [A] 1-11 * column 7, line 52 - column 9, line 54; figures 1-3 *
 [A] JP2009062936  (TOHO GAS KK et al.) [A] 1-11 * paragraph [0008] - paragraph [0030]; figures 1-5 *
 [A] US6371092  (GUGLIELMO KENNON H et al.) [A] 1-11 * SUMMARY OF INVENTION;; figures 1,2 *
ExaminationDE4419429
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.