Electro-Hydraulic Device Comprising A Three-Phase Asynchronous Motor For Moving A Jib - EP2855334

The patent EP2855334 was granted to Wolffkran Holding on Aug 21, 2019. The application was originally filed on Apr 16, 2013 under application number EP13716010A. The patent is currently recorded with a legal status of "Revoked".

EP2855334

WOLFFKRAN HOLDING
Application Number
EP13716010A
Filing Date
Apr 16, 2013
Status
Revoked
Jul 23, 2021
Grant Date
Aug 21, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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

GRUAS SAEZ SLJun 3, 2020PADIAL MARTINEZADMISSIBLE
JOST CRANESMay 29, 2020ISARPATENTADMISSIBLE
LIEBHERR WERK BIBERACHMay 22, 2020THOMAADMISSIBLE
AMS KRANBAUMay 20, 2020-DEEMED NOT TO HAVE BEEN FILED

Patent Citations (26) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP0734993
INTERNATIONAL-SEARCH-REPORTFR2071141
INTERNATIONAL-SEARCH-REPORTWO2011098542
OPPOSITIONDD150734
OPPOSITIONDE10115312
OPPOSITIONDE102010007545
OPPOSITIONDE1169631
OPPOSITIONDE19908485
OPPOSITIONDE3020480
OPPOSITIONDE4219369
OPPOSITIONEP0708053
OPPOSITIONEP0734993
OPPOSITIONEP1184329
OPPOSITIONFR2071141
OPPOSITIONRU2252909
OPPOSITIONUS2003071004
OPPOSITIONUS2010314168
OPPOSITIONUS2011024378
OPPOSITIONUS2012117832
OPPOSITIONUS2012305513
OPPOSITIONUS4178591
OPPOSITIONUS6297573
OPPOSITIONWO2011098542
OPPOSITIONWO2011098642
OPPOSITIONWO2013178399
OPPOSITIONWO9319000

Non-Patent Literature (NPL) Citations (10) 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- Anonym, "DIN EN 60034-1 (VDE 0530-1) Drehende Maschinen - Teil 1: Bemessung und Betriebsverhalten", Deutsche Norm, (20110201), pages 1 - 83, XP055748720-
OPPOSITION- Anonymous, "Bestimmen der Nennweite", Hytec-Hydraulik, Internet, Internet, (20100218), pages 1 - 1, URL: https://web.archive.org/web/20100218112712/http://www.hytec-hydraulik.de/technik/motorleistung.htm, (20161121), XP055321367-
OPPOSITION- anonymous, "Operating manual - Topless luffing crane JTL 158.6", Operation Manual JTL 158 6 of JOST Cranes GmbH & Co. KG, pages 1 - 203-
OPPOSITION- Anonym, "Wikipedia-Auszug DIN-VDE-Normen Teil 5. Liste der VDE-Normen von VDE 0500 bis VDE 0599", Wikipedia, (20200415), pages 1 - 16, Wikipedia, XP055748879-
OPPOSITION- Anonym, "Wikipedia-Auszug Einschaltdauer", Wikipedia, (20191027), pages 1 - 2, Wikipedia, XP055748885-
OPPOSITION- Anonym, "Wikipedia-Auszug Nennbetriebsart", Wikipedia, (20191017), pages 1 - 3, Wikipedia, XP055748883-
OPPOSITION- E. Kretzschmar, "Permanentmagnet Gleichstrommotoren", (20040901), pages 1 - 34, URL: https://www. google.tie/url?sa=t&rct=i&ci=&esrc=s&souice=web& cd = 1&cad=ria&uact=8&ved=2ahUKEw jXlo nPw3qvpAhWPiFwKHRfuANAQFjAAegOIAhAB&url=https%3A%2F%2Fwww.kretzschmar.eu%2Ff ileadmin%2Fdateien%2Fpdf%2FGSPM.pdf&usg=AOvVaw0eDapwpt7zfG86S4wTruGR, XP055748736-
OPPOSITION- Helmut Weiss, "Regelungs- und Systemtechnik, Arbeitsunterlagen. Übungsteil der integrierten Lehrveranstaltung für die Studieneinrichtung K, Mm", (20030101), pages 1.1 - 4.6, XP055748891-
OPPOSITION- H ytec-Hydraulik: ''Bestimmen der Nennweite, (20100218), pages 1 - 1, URL: https://web.archive.org/web/20 1 00218112712/http//www.hytec- hydraulik.de/technikk/motorleistuns.htm, (20161121), XP055321367-
OPPOSITION- PROF. DR. R. GOTTKEHASKAMP, FB Elektro- technik, (20000218), URL: https://www.google.de/url?sa=t&rctH&a=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwi p9733avpAhXPesAKHUZKB9QQFjAAegOIBRAB&url=http%3A%2F%2Fantriebstechnik.fh-stralsund.de%2F1024x768%2FDokumentenframe%2FKompendium%2FFachvorlesungen%2FEMA-EA-Vorlesung%2F2.7.PDF&usg=AOvVaw30q3Hlf46-da1P07o-rR55-

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