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The patent EP3148701 was granted to GEA Mechanical Equipment on Aug 27, 2025. The application was filed on May 26, 2015 under application number EP15725318A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ALFA LAVAL CORPORATE | Aug 23, 2022 | GRUNECKER PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | FR971978 |
| EXAMINATION | US656423 |
| INTERNATIONAL-SEARCH-REPORT | CH591898 |
| INTERNATIONAL-SEARCH-REPORT | DE1103854 |
| INTERNATIONAL-SEARCH-REPORT | DE69321935T |
| INTERNATIONAL-SEARCH-REPORT | US3012710 |
| INTERNATIONAL-SEARCH-REPORT | US5637217 |
| INTERNATIONAL-SEARCH-REPORT | US960768 |
| INTERNATIONAL-SEARCH-REPORT | WO0007733 |
| INTERNATIONAL-SEARCH-REPORT | WO2014000829 |
| OPPOSITION | EP0346056 |
| OPPOSITION | US2002020679 |
| OPPOSITION | US2008132396 |
| OPPOSITION | US2011319248 |
| OPPOSITION | US2012275970 |
| OPPOSITION | US2013089917 |
| OPPOSITION | US3012710 |
| OPPOSITION | US4950220 |
| OPPOSITION | US5387174 |
| OPPOSITION | US5637217 |
| OPPOSITION | US8475352 |
| OPPOSITION | WO2008013495 |
| OPPOSITION | WO2014000829 |
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
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OPPO
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Decision to grant a European patent
Search/Exam
Oct 15, 2021
Filing of the translations of the claims
Search/Exam
Jun 15, 2021
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Intention to grant (signatures)
Search/Exam
Jun 15, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 15, 2021
May 7, 2021
(Electronic) Receipt
Search/Exam
May 7, 2021
Amended claims with annotations
Search/Exam
May 7, 2021
Claims
Search/Exam
May 7, 2021
English translation of the claims
Search/Exam
May 7, 2021
French translation of claims
Search/Exam
May 7, 2021
Letter accompanying subsequently filed items
Search/Exam
May 7, 2021
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Intention to grant (signatures)
Search/Exam
Apr 28, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2021
Mar 26, 2021
(Electronic) Receipt
Search/Exam
Mar 26, 2021
Amended claims with annotations
Search/Exam
Mar 26, 2021
Claims
Search/Exam
Mar 26, 2021
English translation of the claims
Search/Exam
Mar 26, 2021
French translation of claims
Search/Exam
Mar 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2021
Nov 25, 2020
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Intention to grant (signatures)
Search/Exam
Nov 25, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2020
Sep 11, 2020
(Electronic) Receipt
Search/Exam
Sep 11, 2020
Amended claims with annotations
Search/Exam
Sep 11, 2020
Amended description with annotations
Search/Exam
Sep 11, 2020
Claims
Search/Exam
Sep 11, 2020
Description
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2020
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Annex to the communication
Search/Exam
Mar 11, 2020
Communication from the Examining Division
Search/Exam
Mar 4, 2020
Examination started
Search/Exam
Jul 19, 2017
(Electronic) Receipt
Search/Exam
Jul 19, 2017
Jul 19, 2017
Amended claims with annotations
Search/Exam
Jul 19, 2017
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Amended description with annotations
Search/Exam
Jul 19, 2017
Amendments received before examination
Search/Exam
Jul 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2017
Jan 26, 2017
Jan 23, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Communication to designated inventor
Search/Exam
Dec 16, 2016
(Electronic) Receipt
Search/Exam
Dec 16, 2016
Dec 16, 2016
Priority search results
Search/Exam
Dec 16, 2016
Request for entry into the European phase
Search/Exam
Dec 12, 2016
Oct 7, 2016
Information on entry into European phase
Search/Exam
Mar 17, 2016
Copy of the international search report
Search/Exam
Mar 17, 2016
Copy of the international search report
Search/Exam
Mar 17, 2016
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Dec 3, 2015
Published international application - A2
Search/Exam
Sep 18, 2015
May 26, 2015
(Electronic) Receipt
PCTRO
May 26, 2015
Abstract
PCTRO
May 26, 2015
Claims
PCTRO
May 26, 2015
Description
PCTRO
May 26, 2015
Drawings
PCTRO