Steam Extraction Device With Diagonal Ventilator

Patent No. EP3334942 (titled "Steam Extraction Device With Diagonal Ventilator") was filed by EBM Papst Mulfingen on Apr 20, 2017. The application was issued on Jul 9, 2025.

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
ELECTROLUX ROTHENBURG FACTORY	May 10, 2023	WILMES

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

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Jun 13, 2025
Decision to maintain the European patent in amended form
Jun 13, 2025
Decision to maintain the European patent in amended form
Jun 3, 2025
(Electronic) Receipt
Jun 3, 2025
English translation of the claims
Jun 3, 2025
Filing of the translation of the amended claims
Jun 3, 2025
French translation of claims
Jun 3, 2025
Letter accompanying subsequently filed items
Mar 6, 2025
Communication of bibliographic data
Mar 6, 2025
Communication to opponent concerning maintenance
Mar 6, 2025
Communication with request to file translations
Feb 21, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 26, 2024
Annex to the communication - opposition
Nov 26, 2024
Brief communication - Opposition proceedings
Nov 26, 2024
Brief communication - Opposition proceedings
Nov 26, 2024
Druckexemplar in opposition procedure
Nov 26, 2024
Grounds for the decision (Annex) - opposition
Nov 26, 2024
Interlocutory decision in opposition proceedings
Nov 26, 2024
Interlocutory decision in opposition proceedings
Nov 26, 2024
Means of redress
Nov 26, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 26, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 26, 2024
Provision of a copy of the minutes - opposition procedure
Nov 26, 2024
Provision of a copy of the minutes - opposition procedure
Nov 22, 2024
Decision of the Opposition Division and instruction
Sep 26, 2024
Notification concerning the date of oral proceedings
Sep 26, 2024
Notification concerning the date of oral proceedings
Sep 25, 2024
Information about the result of oral proceedings
Jul 24, 2024
Brief communication - Opposition proceedings
Jul 17, 2024
(Electronic) Receipt
Jul 17, 2024
(Electronic) Receipt
Jul 17, 2024
Letter accompanying subsequently filed items
Jul 17, 2024
Letter accompanying subsequently filed items
Jul 17, 2024
Written submission in preparation to/during oral proceedings
Jul 17, 2024
Written submission in preparation to/during oral proceedings
Feb 16, 2024
Annex to the communication - opposition
Feb 16, 2024
Brief communication - Opposition proceedings
Feb 16, 2024
Brief communication - Opposition proceedings
Feb 16, 2024
Scanned annex to a communication - opposition procedure
Feb 16, 2024
Summons to attend oral proceedings
Feb 16, 2024
Summons to attend oral proceedings
Oct 2, 2023
Brief communication - Opposition proceedings
Sep 25, 2023
(Electronic) Receipt
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure
Sep 25, 2023
Auxiliary request during Opposition procedure - 01
Sep 25, 2023
Auxiliary request during Opposition procedure - 02
Sep 25, 2023
Auxiliary request during Opposition procedure - 02
Sep 25, 2023
Auxiliary request during Opposition procedure - 03
Sep 25, 2023
Auxiliary request during Opposition procedure - 03
Sep 25, 2023
Auxiliary request during Opposition procedure - 04
Sep 25, 2023
Auxiliary request during Opposition procedure - 04
Sep 25, 2023
Auxiliary request during Opposition procedure - 05
Sep 25, 2023
Auxiliary request during Opposition procedure - 05
Sep 25, 2023
Auxiliary request during Opposition procedure - 06
Sep 25, 2023
Auxiliary request during Opposition procedure - 06
Sep 25, 2023
Letter accompanying subsequently filed items
Sep 25, 2023
Reply of the patent proprietor to the notice(s) of opposition
May 26, 2023
Communication of a notice of opposition and request to file observations
May 26, 2023
Notice of further oppositions to opponent(s)
May 22, 2023
Communication of a notice of opposition - first information to patent proprietor
May 10, 2023
(Electronic) Receipt
May 10, 2023
Citation in opposition procedure - 001
May 10, 2023
Citation in opposition procedure - 002
May 10, 2023
Citation in opposition procedure - 003
May 10, 2023
Citation in opposition procedure - 004
May 10, 2023
Citation in opposition procedure - 005
May 10, 2023
Citation in opposition procedure - 006
May 10, 2023
Citation in opposition procedure - 006
May 10, 2023
Citation in opposition procedure - 007
May 10, 2023
Citation in opposition procedure - 007
May 10, 2023
Citation in opposition procedure - 008
May 10, 2023
Citation in opposition procedure - 008
May 10, 2023
Citation in opposition procedure - 009
May 10, 2023
Citation in opposition procedure - 010
May 10, 2023
Citation in opposition procedure - 011
May 10, 2023
Citation in opposition procedure - 012
May 10, 2023
Citation in opposition procedure - 013
May 10, 2023
Consolidated list of cited opposition documents
May 10, 2023
Letter accompanying subsequently filed items
May 10, 2023
Notice of opposition
Aug 23, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 14, 2022
Decision to grant a European patent
Jun 28, 2022
English translation of the claims
Jun 28, 2022
English translation of the claims
Jun 28, 2022
Filing of the translations of the claims
Jun 28, 2022
Filing of the translations of the claims
Jun 28, 2022
French translation of claims
Jun 28, 2022
French translation of claims
Jun 28, 2022
Letter concerning fees and payments
Jun 28, 2022
Letter concerning fees and payments
May 19, 2022
Bibliographic data of the European patent application
May 19, 2022
Communication about intention to grant a European patent
May 19, 2022
Intention to grant (signatures)
May 19, 2022
Text intended for grant (clean copy)
May 19, 2022
Text intended for grant (version for approval)
Sep 8, 2020
Reply to communication from the Examining Division
Jun 12, 2020
Annex to the communication
Jun 12, 2020
Communication from the Examining Division
Apr 29, 2020
Examination started
Dec 14, 2018
Statement of non-availability of priority search results
Nov 22, 2018
Invitation to file a copy of search results(priority)
Nov 15, 2018
Copy of the international preliminary report on patentability
Sep 20, 2018
Amended description filed after receipt of (European) search report
Sep 20, 2018
Amended description with annotations
Sep 20, 2018
Amendments received before examination
Jul 10, 2018
Communication of amended entries concerning the representative
Jun 13, 2018
Submission concerning change of applicant's representative
May 24, 2018
Notification on forthcoming publication of bibliographic data
Apr 6, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Apr 4, 2018
Communication to designated inventor
Apr 4, 2018
Communication to designated inventor
Apr 4, 2018
Communication to designated inventor
Apr 3, 2018
Brief communication to applicant/representative
Mar 16, 2018
(Electronic) Receipt
Mar 16, 2018
Request for entry into the European phase
Nov 21, 2017
Priority document (electronically transmitted)
Nov 2, 2017
Copy of the international search report
Nov 2, 2017
Published international application - A1
Jul 25, 2017
ISR: cited documents
Jul 25, 2017
International Search Report - copy in English for the IB
Jul 24, 2017
Copy of the international preliminary report on patentability
Jul 24, 2017
Written opinion of the ISA, boxes No. I to VIII
Jul 24, 2017
Written opinion of the ISA, cover sheet
Jul 24, 2017
Written opinion of the ISA, supplemental box
May 10, 2017
Notification of the international application number and of the international filing date
May 9, 2017
Incoming letter related to PCT RO
Apr 20, 2017
(Electronic) Receipt
Apr 20, 2017
Abstract
Apr 20, 2017
Claims
Apr 20, 2017
Description
Apr 20, 2017
Document concerning fees and payments
Apr 20, 2017
Drawings
Apr 20, 2017
Electronic request for grant of an International application

EP3334942

EBM PAPST MULFINGEN

Application Number: EP17719544A
Filing Date: Apr 20, 2017
Status: Patent Maintained As Amended; Jun 6, 2025
Publication Date: Jul 9, 2025
External Links: Slate, Register , Google Patents

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Steam Extraction Device With Diagonal Ventilator

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Dossier Documents

EP3334942