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: EP3422559

EP3422559 - MODULATION METHOD FOR AN AC CONVERTER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.02.2022
Database last updated on 06.11.2024
FormerThe patent has been granted
Status updated on  19.02.2021
FormerGrant of patent is intended
Status updated on  25.11.2020
FormerExamination is in progress
Status updated on  01.07.2019
FormerRequest for examination was made
Status updated on  30.11.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
PFEIFFER VACUUM GMBH
Berliner Strasse 43
35614 Asslar / DE
[2019/01]
Inventor(s)01 / Wang, Jinou
Holunderweg 9
35606 Solms-Niederbiel / DE
 [2019/01]
Representative(s)Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB
Martin-Greif-Strasse 1
80336 München / DE
[2021/12]
Former [2019/01]Manitz Finsterwald Patentanwälte PartmbB
Martin-Greif-Strasse 1
80336 München / DE
Application number, filing date17179017.330.06.2017
[2019/01]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3422559
Date:02.01.2019
Language:DE
[2019/01]
Type: B1 Patent specification 
No.:EP3422559
Date:24.03.2021
Language:DE
[2021/12]
Search report(s)(Supplementary) European search report - dispatched on:EP11.12.2017
ClassificationIPC:H02P6/20, H02P21/34, H02P21/36, // F04D25/06, H02M5/00
[2019/01]
CPC:
H02M1/36 (EP); H02M7/53876 (EP); H02P23/0027 (EP);
H02P27/085 (EP); H02P6/20 (EP)
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 [2019/01]
TitleGerman:MODULATIONSVERFAHREN FÜR EINEN DREHSTROM-WECHSELRICHTER[2019/01]
English:MODULATION METHOD FOR AN AC CONVERTER[2019/01]
French:PROCÉDÉ DE MODULATION POUR UN ONDULEUR TRIPHASÉ[2019/01]
Examination procedure04.05.2018Amendment by applicant (claims and/or description)
04.05.2018Examination requested  [2019/01]
04.05.2018Date on which the examining division has become responsible
04.07.2019Despatch of a communication from the examining division (Time limit: M04)
24.09.2019Reply to a communication from the examining division
20.02.2020Despatch of a communication from the examining division (Time limit: M04)
02.06.2020Reply to a communication from the examining division
19.06.2020Despatch of a communication from the examining division (Time limit: M04)
31.08.2020Reply to a communication from the examining division
26.11.2020Communication of intention to grant the patent
11.02.2021Fee for grant paid
11.02.2021Fee for publishing/printing paid
11.02.2021Receipt of the translation of the claim(s)
Opposition(s)04.01.2022No opposition filed within time limit [2022/10]
Fees paidRenewal fee
28.06.2019Renewal fee patent year 03
31.03.2020Renewal 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  TooltipHU30.06.2017
AL24.03.2021
CY24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
MK24.03.2021
MT24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
TR24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
[2024/42]
Former [2024/29]HU30.06.2017
AL24.03.2021
CY24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
MK24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
TR24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2024/22]HU30.06.2017
AL24.03.2021
CY24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
MK24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2023/33]HU30.06.2017
AL24.03.2021
CY24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2023/30]AL24.03.2021
CY24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/34]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
BE30.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/23]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
CH30.06.2021
FR30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/21]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
CH30.06.2021
IE30.06.2021
LI30.06.2021
LU30.06.2021
PT26.07.2021
IS24.12.2021
Former [2022/18]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
LU30.06.2021
PT26.07.2021
IS24.12.2021
Former [2022/13]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
IS24.12.2021
Former [2022/10]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
IS24.12.2021
Former [2022/08]AL24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/07]AL24.03.2021
EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/52]EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/51]EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/50]EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
Former [2021/48]EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/46]FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/43]FI24.03.2021
HR24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/38]FI24.03.2021
HR24.03.2021
LV24.03.2021
RS24.03.2021
SE24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/37]FI24.03.2021
HR24.03.2021
LV24.03.2021
RS24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/36]FI24.03.2021
HR24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/35]FI24.03.2021
HR24.03.2021
NO24.06.2021
Former [2021/33]FI24.03.2021
NO24.06.2021
Documents cited:Search[A]CN203151429U  (NANJING INST TECHNOLOGY) [A] 1-15 * abstract * * figure 1 *;
 [I]EP2991206  (CHANGZHOU LEILI MOTOR SCIENCE & TECH CO LTD [CN]) [I] 1-15 * figures 8, 9 *;
 [I]  - AYYANAR R ET AL, "Start-up, short-circuit and dynamic characteristics of the full-load-range ZVS hybrid converter", 32ND.ANNUAL IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE. PESC 2001. CONFERENCE PROCEEDINGS. VANCOUVER, CANADA, JUNE 17 - 21, 2001; [ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE], NEW YORK, NY : IEEE, US, (20010617), vol. 1, doi:10.1109/PESC.2001.953990, ISBN 978-0-7803-7067-8, pages 26 - 30, XP010559119 [I] 1-15 * Teil II * * figure 2 *

DOI:   http://dx.doi.org/10.1109/PESC.2001.953990
 [A]  - MOHAN J ET AL, "Performance evaluation of two level unidirectional PWM rectifiers employing space vector modulation (SVM) technique", RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING (ICONRAEECE), 2011 INTERNATIONAL CONFERENCE ON, IEEE, (20111215), doi:10.1109/ICONRAEECE.2011.6129803, ISBN 978-1-4577-2146-5, pages 384 - 392, XP032096161 [A] 1-15 * Teil III * * figures 1-3 *

DOI:   http://dx.doi.org/10.1109/ICONRAEeCE.2011.6129803
 [A]  - CHEN MIN ET AL, "A Unified Space Vector Pulse Width Modulation for Dual Two-level Inverter System", IEEE TRANSACTIONS ON POWER ELECTRONICS, INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, USA, vol. 32, no. 2, doi:10.1109/TPEL.2016.2585223, ISSN 0885-8993, (20170201), pages 889 - 893, (20161111), XP011634081 [A] 1-15 * figures 2-5, 7, 8 *

DOI:   http://dx.doi.org/10.1109/TPEL.2016.2585223
Examination   - MOHAMAD NASRUL ABDUL SATAR ET AL, "Application of Proteus VSM in modelling brushless DC motor drives", MECHATRONICS (ICOM), 2011 4TH INTERNATIONAL CONFERENCE ON, IEEE, (20110517), doi:10.1109/ICOM.2011.5937161, ISBN 978-1-61284-435-0, pages 1 - 7, XP031997488

DOI:   http://dx.doi.org/10.1109/ICOM.2011.5937161
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.