IP Verse

Method For Calcining Mineral Rock In A Regenerative Parallel-Flow Vertical Shaft Furnace, And Furnace Used - EP4175920

EP4175920

LHOIST RECHERCHE ET DEVELOPPEMENT
Application Number
EP21735319A
Filing Date
Jun 28, 2021
Status
Granted And Under Opposition
Mar 22, 2024
Grant Date
Apr 24, 2024
External Links
Slate, Register, Google Patents

Bibliography

The patent EP4175920B1 was granted to Lhoist Recherche ET Developpement on Apr 24, 2024 following the initial filing on Jun 28, 2021 under the application number EP21735319A . The current legal status of the patent is Granted And Under Opposition.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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 DateOpposition Status

Get instant alerts for new oppositions and patent status changes

FELS VERTRIEBS UND SERVICEJan 24, 2025ADMISSIBLE
MAERZ OFENBAUJan 21, 2025ADMISSIBLE
CARMEUSEDec 17, 2024ADMISSIBLE

Patent Citations New

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

Citation PhasePatent NumberPatent Link
DESCRIPTIONCN105000811
DESCRIPTIONUS2020048146
INTERNATIONAL-SEARCH-REPORTDE102010019330
INTERNATIONAL-SEARCH-REPORTUS2020048146
OPPOSITIONAT336473B
OPPOSITIONCN105000811B
OPPOSITIONDE102010019330
OPPOSITIONDE19843820
OPPOSITIONDE2927834
OPPOSITIONEP3359502
OPPOSITIONFR2436346
OPPOSITIONJP2002060254
OPPOSITIONJPS5711855
OPPOSITIONUS2020048146
OPPOSITIONWO2012072332
OPPOSITIONWO2017153267
OTHEREP3359502
OTHERJP2002060254

Non-Patent Literature (NPL) Citations 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- Anonymous, "The Maerz® parallel Flow Regenerative Lime Kiln", Maerz Ofenbau AG, CH, CH, (20020101), pages 1 - 20, XP055603108-
OPPOSITION- D18 - KILN MEASUREMENTS-
OPPOSITION- D19 - CALCULATION OF CO2 CONCENTRATION ACCORDING TO §[0034] OF E3/E3A-
OPPOSITION- Ewert Patrick, "GENERAL INSTRUCTION & OPERATION - AK685 - CALQUIPA S.A.C.", INSTRUCTION MANUAL, Maerz Ofenbau AG, CH, CH, (20140106), pages 1 - 190, INSTRUCTION MANUAL, URL: https://kupdf.net/download/horno-maerz_59d440b908bbc56a45687062_pdf, XP093249908-
OPPOSITION- Gicquel Renaud, "Passage; Chapter 7: Basic components and processes ", Energy systems : a new approach to engineering thermodynamics, CRC Press/Balkema, (20111101), pages 177 - 193, ISBN 978-0-415-68500-9, XP093249897-
OPPOSITION- Patrick Ewert, "AK739 - Handyman's paradise", MAERZ - INSTRUCTION MANUAL, Maerz Ofenbau AG, CH, CH, (20130816), pages 1 - 188, MAERZ - INSTRUCTION MANUAL, (20200612), XP055704364-
OPPOSITION- Reto Barbon, "AK586 -JELEN DO A.D.", MAERZ - INSTRUCTION MANUAL, Maerz Ofenbau AG, CH, CH, (20080910), pages 1 - 182, MAERZ - INSTRUCTION MANUAL, (20200612), XP055704369-
OPPOSITION- J. A. H. Oates, "Chapter 16. Production of Quicklime ", J. A. H. Oates, J.A.H. Oates, Lime and Limestone: Chemistry and Technology, Production and Uses, Weinheim , Wiley-VCH , (19980514), pages 155 - 191, doi:10.1002/9783527612024.ch16, ISBN 3-527-29527-5, XP009559888
OPPOSITION- Piringer Hannes, "Lime Shaft Kilns", Energy Procedia, Elsevier, NL, NL , (19000101), vol. 120, doi:10.1016/j.egypro.2017.07.156, ISSN 1876-6102, pages 75 - 95, XP085197646
SEARCH[ ] - D21 - OATES, J.A.H., "Lime and Limestone" Weinheim et al: WILEY-VCH, 1998 ISBN: 3-527-29527-5-

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