Gas Turbine Including Cooling System Provided With Cool-Air Supply Path Detouring To Outer Casing - EP3324020

The patent EP3324020 was granted to Doosan Heavy Industries & Construction on Jun 16, 2021. The application was originally filed on Nov 26, 2015 under application number EP15898387A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3324020

DOOSAN HEAVY INDUSTRIES & CONSTRUCTION
Application Number
EP15898387A
Filing Date
Nov 26, 2015
Status
Granted And Under Opposition
May 14, 2021
Publication Date
Jun 16, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

Get instant alerts for new oppositions and patent status changes

SIEMENS ENERGYFeb 2, 2022-ADMISSIBLE

Patent Citations (33) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTKR20090131298
INTERNATIONAL-SEARCH-REPORTKR20100064754
INTERNATIONAL-SEARCH-REPORTKR20110040747
INTERNATIONAL-SEARCH-REPORTKR20110053582
INTERNATIONAL-SEARCH-REPORTUS2011314776
OPPOSITIONDE102008044436
OPPOSITIONDE102009025754
OPPOSITIONDE102010036525
OPPOSITIONDE69400688T
OPPOSITIONEP1389668
OPPOSITIONEP2309108
OPPOSITIONEP2381069
OPPOSITIONEP2597287
OPPOSITIONEP2657450
OPPOSITIONEP2657462
OPPOSITIONJP2001123851
OPPOSITIONJP2004218480
OPPOSITIONJP2011021542
OPPOSITIONUS2014072399
OPPOSITIONUS3565545
OPPOSITIONUS4113406
OPPOSITIONUS4807433
OPPOSITIONUS6487863
OPPOSITIONUS8613199
OPPOSITIONUS8727703
OPPOSITIONWO2008123904
OPPOSITIONWO2010007341
OPPOSITIONWO2011097121
OPPOSITIONWO2012012330
OPPOSITIONWO2014100164
OPPOSITIONWO9963204
SEARCHEP1528238
SEARCHUS3034298

Non-Patent Literature (NPL) Citations (1) New

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

Citation PhaseReference Text
OPPOSITION- "Betrieb von Gasturbinenverdichtern", CHRISTOF LECHNER et al., Stationäre Gasturbinen, Springer, (20100000), pages 357 - 360, 568-578, 595-612, 637-648, 683- 691, XP055891120

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents