Impeller With Machining Access Panel

Patent No. EP1893481 (titled "Impeller With Machining Access Panel") was filed by Dresser Rand on Jun 8, 2006. The application was issued on Mar 14, 2018.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
KSB AKTIENGESELLSCHAFT	Jan 8, 2016	VON TIETZEN UND HENNIG

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

Feb 15, 2018
Decision to maintain the European patent in amended form
Feb 15, 2018
Decision to maintain the European patent in amended form
Feb 9, 2018
Termination of the opposition proceedings with maintenance of patent
Feb 7, 2018
(Electronic) Receipt
Feb 7, 2018
French translation of claims
Feb 7, 2018
German translation of the claims
Feb 7, 2018
Letter accompanying subsequently filed items
Nov 24, 2017
Communication of bibliographic data
Nov 24, 2017
Communication to opponent concerning maintenance
Nov 24, 2017
Communication with request to file translations
Nov 20, 2017
Maintenance of the patent with the documents specified in the final decision
Aug 7, 2017
Advice of delivery
Aug 4, 2017
Advice of delivery
Jul 26, 2017
Advice of delivery
Jul 25, 2017
Advice of delivery
Jul 21, 2017
Acknowledgement of a document
Jul 21, 2017
Acknowledgement of a document
Jul 21, 2017
Annex to the communication - opposition
Jul 21, 2017
Decision of the Opposition Division and instruction
Jul 21, 2017
Druckexemplar in opposition procedure
Jul 21, 2017
Grounds for the decision (Annex) - opposition
Jul 21, 2017
Interlocutory decision in opposition proceedings
Jul 21, 2017
Internal form - Opposition/addressees
Jul 21, 2017
Internal form - Opposition/addressees
Jul 21, 2017
Means of redress
Jul 21, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 21, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 21, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 21, 2017
Provision of a copy of the minutes - opposition procedure
Jul 21, 2017
Scanned annex to a communication - opposition procedure
Jun 1, 2017
Information about the result of oral proceedings
May 22, 2017
Brief communication - Opposition proceedings
May 11, 2017
Letter regarding the opposition procedure (no time limit)
Apr 5, 2017
Brief communication - Opposition proceedings
Mar 30, 2017
(Electronic) Receipt
Mar 30, 2017
Amended claims with annotations
Mar 30, 2017
Claims
Mar 30, 2017
Letter accompanying subsequently filed items
Mar 30, 2017
Written submission in preparation to/during oral proceedings
Mar 16, 2017
Brief communication - Opposition proceedings
Mar 16, 2017
Brief communication - Opposition proceedings
Mar 8, 2017
Letter regarding the opposition procedure (no time limit)
Mar 8, 2017
Non-patent literature cited during the opposition procedure
Mar 8, 2017
Non-patent literature cited during the opposition procedure
Mar 8, 2017
Non-patent literature cited during the opposition procedure
Mar 8, 2017
Non-patent literature cited during the opposition procedure
Nov 14, 2016
Advice of delivery
Nov 11, 2016
Advice of delivery
Nov 7, 2016
Advice of delivery
Nov 2, 2016
(Electronic) Receipt
Nov 2, 2016
Letter accompanying subsequently filed items
Nov 2, 2016
Request for interpreters during oral proceedings
Oct 31, 2016
Advice of delivery
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Annex to the communication - opposition
Oct 26, 2016
Information concerning oral proceedings
Oct 26, 2016
Preparation for oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Aug 5, 2016
Brief communication - Opposition proceedings
Jul 13, 2016
Communication concerning the filing of a power of attorney
Jul 13, 2016
Communication of amended entries concerning the representative
Jun 23, 2016
(Electronic) Receipt
Jun 23, 2016
Amended claims with annotations
Jun 23, 2016
Amended claims with annotations
Jun 23, 2016
Amended claims with annotations
Jun 23, 2016
Authorisation
Jun 23, 2016
Claims
Jun 23, 2016
Claims
Jun 23, 2016
Claims
Jun 23, 2016
Claims
Jun 23, 2016
Letter accompanying subsequently filed items
Jun 23, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 16, 2016
Communication of a notice of opposition and request to file observations
Feb 16, 2016
Notice of further oppositions to opponent(s)
Jan 26, 2016
Communication of a notice of opposition - first information to patent proprietor
Jan 8, 2016
Any annexes (other than citation) to an opposition letter
Jan 8, 2016
Any annexes (other than citation) to an opposition letter
Jan 8, 2016
Non-patent literature cited during the opposition procedure
Jan 8, 2016
Notice of opposition
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Payment of fees and costs
Apr 8, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 12, 2015
Decision to grant a European patent
Feb 18, 2015
(Electronic) Receipt
Feb 18, 2015
French translation of claims
Feb 18, 2015
German translation of the claims
Feb 18, 2015
Letter accompanying subsequently filed items
Oct 17, 2014
Bibliographic data of the European patent application
Oct 17, 2014
Communication about intention to grant a European patent
Oct 17, 2014
Intention to grant (signatures)
Oct 17, 2014
Text intended for grant (clean copy)
Oct 17, 2014
Text intended for grant (version for approval)
May 21, 2014
(Electronic) Receipt
May 21, 2014
Amended claims with annotations
May 21, 2014
Amended description with annotations
May 21, 2014
Claims
May 21, 2014
Description
May 21, 2014
Letter accompanying subsequently filed items
May 21, 2014
Reply to communication from the Examining Division
Jan 24, 2014
Annex to the communication
Jan 24, 2014
Communication from the Examining Division
Jul 23, 2013
(Electronic) Receipt
Jul 23, 2013
Amended claims with annotations
Jul 23, 2013
Claims
Jul 23, 2013
Letter accompanying subsequently filed items
Jul 23, 2013
Reply to communication from the Examining Division
Jun 4, 2013
Grant of extension of time limit (examination procedure)
May 20, 2013
(Electronic) Receipt
May 20, 2013
Request for extension of time limit to communication from the Examining Division
Jan 22, 2013
Annex to the communication
Jan 22, 2013
Communication from the Examining Division
Dec 17, 2012
(Electronic) Receipt
Dec 17, 2012
Amended claims with annotations
Dec 17, 2012
Claims
Dec 17, 2012
Letter accompanying subsequently filed items
Dec 17, 2012
Reply to communication from the Examining Division
Dec 3, 2012
Grant of extension of time limit (examination procedure)
Nov 23, 2012
(Electronic) Receipt
Nov 23, 2012
Letter accompanying subsequently filed items
Jul 27, 2012
Annex to the communication
Jul 27, 2012
Communication from the Examining Division
May 29, 2012
(Electronic) Receipt
May 29, 2012
Amended claims filed after receipt of (European) search report
May 29, 2012
Amended claims with annotations
May 29, 2012
Amendments received before examination
May 29, 2012
Letter accompanying subsequently filed items
Nov 28, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 9, 2011
Communication regarding the transmission of the European search report
Nov 9, 2011
European search opinion
Nov 9, 2011
Supplementary European search report
Aug 9, 2011
(Electronic) Receipt
Aug 9, 2011
Letter accompanying subsequently filed items
Sep 22, 2010
Reply by International Bureau
Sep 21, 2010
Copy of the international preliminary examination report
Sep 13, 2010
Reply by International Bureau
Aug 3, 2010
Enquiry with the International Bureau
Dec 1, 2009
Enquiry with the International Bureau
May 11, 2009
Submission concerning representation
Oct 3, 2008
Reply by International Bureau
Sep 29, 2008
Submission concerning representation
Sep 26, 2008
Communication confirming withdrawal from representation
Sep 26, 2008
Communication of amended entries concerning the representative
Sep 25, 2008
Enquiry with the International Bureau
Sep 25, 2008
Submission concerning representation
Sep 8, 2008
Submission concerning representation
Aug 8, 2008
Amended claims filed after receipt of (European) search report
Aug 8, 2008
Amendments received before examination
Jul 10, 2008
Communication regarding possible amendment of claims/payment of claims fees
May 29, 2008
Copy of the international search report
May 29, 2008
International publication of the international search report
Feb 15, 2008
Confirmation of receipt of (electronically) transmitted priority document
Feb 6, 2008
Notification on forthcoming publication of bibliographic data
Jan 31, 2008
Reply by International Bureau
Jan 23, 2008
Refund order search fee
Jan 11, 2008
Enquiry with the International Bureau
Dec 18, 2007
Request for entry into the European phase
Oct 19, 2007
Information on entry into European phase
Apr 11, 2007
Notification of election of EPO
Jan 4, 2007
Priority document (electronically transmitted)
Dec 14, 2006
Published international application - A2

EP1893481

DRESSER RAND

Application Number: EP06772566A
Filing Date: Jun 8, 2006
Status: Patent Maintained As Amended; Feb 9, 2018
Publication Date: Mar 14, 2018
External Links: Slate, Register , Google Patents

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Impeller With Machining Access Panel

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Dossier Documents

EP1893481