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
Register Forum

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

Extract from the Register of European Patents

EP About this file: EP3123592

EP3123592 - BI-DIRECTIONAL DC-DC CONVERTER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.07.2020
Database last updated on 31.08.2024
FormerThe patent has been granted
Status updated on  19.07.2019
FormerGrant of patent is intended
Status updated on  17.03.2019
FormerRequest for examination was made
Status updated on  30.12.2016
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK
published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
Schneider Electric IT Corporation
132 Fairgrounds Road
West Kingston, RI 02892 / US
[2017/05]
Inventor(s)01 / SRIKANTH, Mudiyula
Bearys Global Research
Sy. No. 63/3b Gorvigere Village
Bidarahalli Hobli
Whitefield Ashram Road
Bangalore East Taluk Bangalore 560067 / IN
02 / LIPARE, Mahendrakumar, H.
202 Prakruthi Chandana
Kashinagar
Amruthahalli Bangalore 560092 / IN
03 / GHOSH, Rajesh
F-204 Sindhu Residencey
Divanra Palya
M.s. Ramaiah Road
Bangalore 560 054 / IN
04 / KLIKIC, Damir
211 Bishops Forest Drive
Waltham, MA 02452 / US
 [2017/05]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2019/34]Murgitroyd & Company
Scotland House
165-169 Scotland Street
Glasgow G5 8PL / GB
Former [2017/05]Hayden, Nicholas Mark
Murgitroyd & Company
Scotland House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date14887384.727.03.2014
[2017/05]
WO2014US31994
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2015147828
Date:01.10.2015
Language:EN
[2015/39]
Type: A1 Application with search report 
No.:EP3123592
Date:01.02.2017
Language:EN
The application published by WIPO in one of the EPO official languages on 01.10.2015 takes the place of the publication of the European patent application.
[2017/05]
Type: B1 Patent specification 
No.:EP3123592
Date:21.08.2019
Language:EN
[2019/34]
Search report(s)International search report - published on:US01.10.2015
(Supplementary) European search report - dispatched on:EP05.10.2017
ClassificationIPC:H02J9/06, // H02M3/335
[2017/44]
CPC:
H02M1/4241 (EP,US); H02J9/061 (US); H02J9/04 (US);
H02J9/062 (EP); H02M3/33523 (EP,US); H02M3/33546 (US);
H02M3/33584 (EP,US); Y02B70/10 (EP,US) (-)
Former IPC [2017/05]H02J9/00
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 [2017/05]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:BIDIREKTIONALER GLEICHSPANNUNGSWANDLER[2017/05]
English:BI-DIRECTIONAL DC-DC CONVERTER[2017/05]
French:CONVERTISSEUR CONTINU-CONTINU BIDIRECTIONNEL[2017/05]
Entry into regional phase21.09.2016National basic fee paid 
21.09.2016Search fee paid 
21.09.2016Designation fee(s) paid 
21.09.2016Examination fee paid 
Examination procedure21.09.2016Examination requested  [2017/05]
21.09.2016Date on which the examining division has become responsible
23.04.2018Amendment by applicant (claims and/or description)
18.03.2019Communication of intention to grant the patent
10.07.2019Fee for grant paid
10.07.2019Fee for publishing/printing paid
10.07.2019Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  18.03.2019
Opposition(s)03.06.2020No opposition filed within time limit [2020/32]
Fees paidRenewal fee
21.09.2016Renewal fee patent year 03
27.03.2017Renewal fee patent year 04
27.03.2018Renewal fee patent year 05
27.03.2019Renewal 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  TooltipHU27.03.2014
AL21.08.2019
AT21.08.2019
CY21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
MK21.08.2019
MT21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
IE27.03.2020
LU27.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
[2022/32]
Former [2022/28]HU27.03.2014
AL21.08.2019
AT21.08.2019
CY21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
MT21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
IE27.03.2020
LU27.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/12]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
IE27.03.2020
LU27.03.2020
BE31.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/07]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
IE27.03.2020
LU27.03.2020
CH31.03.2020
LI31.03.2020
Former [2021/04]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
LU27.03.2020
Former [2020/50]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
MC21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/37]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SI21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/36]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/27]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SK21.08.2019
SM21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
PT23.12.2019
IS24.02.2020
Former [2020/25]AL21.08.2019
AT21.08.2019
CZ21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
SK21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
PT23.12.2019
IS24.02.2020
Former [2020/24]AL21.08.2019
AT21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
PT23.12.2019
IS24.02.2020
Former [2020/23]AL21.08.2019
AT21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
IT21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
PL21.08.2019
RO21.08.2019
RS21.08.2019
SE21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/22]AL21.08.2019
EE21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
RS21.08.2019
SE21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/17]AL21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
RS21.08.2019
SE21.08.2019
TR21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/15]AL21.08.2019
ES21.08.2019
FI21.08.2019
HR21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
RS21.08.2019
SE21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/12]ES21.08.2019
FI21.08.2019
HR21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
RS21.08.2019
SE21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
IS21.12.2019
PT23.12.2019
Former [2020/11]ES21.08.2019
FI21.08.2019
HR21.08.2019
LT21.08.2019
LV21.08.2019
NL21.08.2019
RS21.08.2019
SE21.08.2019
BG21.11.2019
NO21.11.2019
GR22.11.2019
PT23.12.2019
Former [2020/10]FI21.08.2019
LT21.08.2019
NL21.08.2019
SE21.08.2019
BG21.11.2019
NO21.11.2019
PT23.12.2019
Former [2020/09]FI21.08.2019
LT21.08.2019
NL21.08.2019
NO21.11.2019
Former [2020/08]LT21.08.2019
NO21.11.2019
Documents cited:Search[Y]KR20130047800  (UNIV JEONJU OFFICE INDUSTRY UNIV COOPERATION [KR]) [Y] 4-9 * paragraph [0093]; figures 7-19 *;
 [XYI]  - JEE-HOON JUNG ET AL, "Design Methodology of Bidirectional CLLC Resonant Converter for High-Frequency Isolation of DC Distribution Systems", IEEE TRANSACTIONS ON POWER ELECTRONICS, (20130401), vol. 28, no. 4, doi:10.1109/TPEL.2012.2213346, ISSN 0885-8993, pages 1741 - 1755, XP055175724 [X] 1-3,10,11 * 1st sentence of section "I. Introduction"; fifth sentence of last paragraph of right column of page 1, labelled 1741; equation (37); section "II.B Operating principles";; figures 1,2,6,9 * [Y] 4-9 [I] 12-15

DOI:   http://dx.doi.org/10.1109/TPEL.2012.2213346
 [XAI]  - WEI CHEN ET AL, "Snubberless Bidirectional DC-DC Converter With New CLLC Resonant Tank Featuring Minimized Switching Loss", IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, USA, (20100901), vol. 57, no. 9, ISSN 0278-0046, pages 3075 - 3086, XP011297961 [X] 1-3,10,11 * Abstract; first sentence of section "I. Introduction"; section "II. Topology derivation and operation principles"; equations (3) and (4); penultimate paragraph of right column of page 10 labelled 3084; right column of page 9 labelled 3083 at section "IV. Experimental results"; first sentence of paragraph starting with "As a consideration [...]" at the left column of page 10 labelled 3084;; figures 1,2,3,4,13 * [A] 4-9 [I] 12-15
International search[A]US5978236  (FABERMAN IRA S [US], et al) [A] 1-20 * entire document *;
 [A]US6330170  (WANG KUNRONG [US], et al) [A] 1-20 * entire document *;
 [Y]US2004207366  (SUNG CHANG-CHE [TW]) [Y] 2-9 * entire document *;
 [A]US2011148205  (MOON CHONG-SOP [KR]) [A] 1-20* entire document *;
 [A]US2011208370  (LEE SUNG-IM [KR]) [A] 1-20 * entire document *;
 [A]US2011215649  (MIN BYEONG-SEON [KR], et al) [A] 1-20 * entire document *;
 [Y]US2011317452  (ANGUELOV GUEORGUI IORDANOV [CA], et al) [Y] 3-9, 11-18, 20 * entire document *;
 [XY]US2012112547  (GHOSH RAJESH [IN], et al) [X] 1, 10, 19 * entire document * [Y] 2-9, 11-18, 20
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.