Cross-Flow Water Electrolysis - EP4004259

The patent EP4004259 was granted to Thyssenkrupp Nucera on Oct 19, 2022. The application was originally filed on Aug 19, 2020 under application number EP20758201A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP4004259

THYSSENKRUPP NUCERA
Application Number
EP20758201A
Filing Date
Aug 19, 2020
Status
Opposition Rejected
Jul 11, 2025
Grant Date
Oct 19, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

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SUNFIREJul 14, 2023HAUCKADMISSIBLE
SUNFIREJul 14, 2023HAUCK PATENTANWALTSPARTNERSCHAFT MBBADMISSIBLE

Patent Citations (12) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0126490
DESCRIPTIONWO2015007716
INTERNATIONAL-SEARCH-REPORTDE102015212503
INTERNATIONAL-SEARCH-REPORTDE102017216710
INTERNATIONAL-SEARCH-REPORTDE19805058
INTERNATIONAL-SEARCH-REPORTEP3358044
INTERNATIONAL-SEARCH-REPORTEP3486354
OPPOSITIONDE102016202840
OPPOSITIONEP3317435
OPPOSITIONEP3339479
OPPOSITIONEP3604617
OPPOSITIONWO2019229019

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Rahman Farah Abd, "Design Optimization of a 2-Phase Gas/Liquid Separator", Dissertation, (20090101), pages 1 - 74, XP093105018-
OPPOSITION- Haug Philipp; Koj Matthias; Turek Thomas, "Influence of process conditions on gas purity in alkaline water electrolysis", International Journal of Hydrogen Energy, AMSTERDAM, NL, (20170112), vol. 42, no. 15, doi:10.1016/j.ijhydene.2016.12.111, ISSN 0360-3199, pages 9406 - 9418, XP085008072

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Dossier Documents

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