Extract from the Register of European Patents

EP About this file: EP4184045

EP4184045 - CROSS-ACTIVATED PRESSURE RELIEF APPARATUS [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  20.06.2025
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  06.02.2025
FormerRequest for examination was made
Status updated on  21.04.2023
Most recent event   Tooltip06.02.2026Lapse of the patent in a contracting state
New state(s): ES, PL, RS
published on 11.03.2026  [2026/11]
Applicant(s)For all designated states
Emcara International, Inc.
67 Watson Rd.
Units 3 & 4
Guelph, Ontario N1L 1E3 / CA
[2024/29]
Former [2023/21]For all designated states
Emcara Gas Development Inc.
67 Watson Rd. S., Unit 2
Guelph, Ontario N1L 1E3 / CA
Inventor(s)01 / GIROUARD, Erick
Guelph, N1G 4G5 / CA
02 / AHMADZADEGAN, Amir
Waterloo, N2L 1W5 / CA
 [2023/21]
Representative(s)Latham, Stuart Alexander
Withers & Rogers LLP
2 London Bridge
London SE1 9RA / GB
[2025/30]
Former [2023/21]Ford, Alexander William John
Withers & Rogers LLP
2 London Bridge
London SE1 9RA / GB
Application number, filing date23151724.413.06.2018
[2023/21]
Priority number, dateUS201762518670P13.06.2017         Original published format: US 201762518670 P
[2023/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4184045
Date:24.05.2023
Language:EN
[2023/21]
Type: B1 Patent specification 
No.:EP4184045
Date:23.07.2025
Language:EN
[2025/30]
Search report(s)(Supplementary) European search report - dispatched on:EP13.04.2023
ClassificationIPC:F16K17/36, F16K17/38, F16K24/00, F16K3/26, F16K31/56, F16K31/70, F16K31/72, F16K13/00, F16K39/04, F17C13/04
[2023/21]
CPC:
F16K17/003 (EP,US); F16K17/38 (EP,US); F16K31/002 (EP,US);
F16K31/003 (EP,US); F17C13/04 (EP,US); F17C2205/0134 (EP);
F17C2205/0146 (EP); F17C2205/0332 (EP,US); F17C2205/0382 (EP);
Y02E60/32 (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 [2023/21]  
TitleGerman:QUERAKTIVIERTE DRUCKENTLASTUNGSVORRICHTUNG[2023/21]
English:CROSS-ACTIVATED PRESSURE RELIEF APPARATUS[2023/21]
French:APPAREIL DE DÉCOMPRESSION À ACTIONNEMENT CROISÉ[2023/21]
Examination procedure16.01.2023Examination requested  [2023/21]
23.11.2023Amendment by applicant (claims and/or description)
23.11.2023Date on which the examining division has become responsible
07.02.2025Communication of intention to grant the patent
06.06.2025Fee for grant paid
06.06.2025Fee for publishing/printing paid
06.06.2025Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP18818063.2  / EP3638605
Fees paidRenewal fee
16.01.2023Renewal fee patent year 03
16.01.2023Renewal fee patent year 04
16.01.2023Renewal fee patent year 05
29.06.2023Renewal fee patent year 06
13.06.2024Renewal fee patent year 07
12.06.2025Renewal fee patent year 08
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Lapses during opposition  TooltipES23.07.2025
HR23.07.2025
PL23.07.2025
NO23.10.2025
RS23.10.2025
GR24.10.2025
IS23.11.2025
[2026/11]
Former [2026/09]HR23.07.2025
NO23.10.2025
GR24.10.2025
IS23.11.2025
Former [2026/07]IS23.11.2025
Documents cited:Search[X] US4040404  (TAGAWA KATSUHIRO et al.)
 [AD] US9121521  (GIROUARD ERICK et al.)
 [X] US2016215894  (GIROUARD ERICK et al.) [X] 1-4 * the whole document *
 [AD] US2012199218  (GIOBERTI FABIO et al.) [AD] 1,6 * the whole document *
by applicantUS9121521
 US9097358
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.