A Low Frequency Ozone Generator - EP3932149

The patent EP3932149 was granted to Primozone Production on Jun 7, 2023. The application was originally filed on Feb 24, 2020 under application number EP20706719A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3932149

PRIMOZONE PRODUCTION
Application Number
EP20706719A
Filing Date
Feb 24, 2020
Status
Granted And Under Opposition
May 5, 2023
Grant Date
Jun 7, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

XYLEM EUROPEMar 5, 2024BRANNADMISSIBLE
PROMINENTMar 4, 2024WSL PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (20) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONWO0220398
DESCRIPTIONWO2008074767
INTERNATIONAL-SEARCH-REPORTUS2001046459
INTERNATIONAL-SEARCH-REPORTUS2015061808
INTERNATIONAL-SEARCH-REPORTWO0053529
INTERNATIONAL-SEARCH-REPORTWO0220398
INTERNATIONAL-SEARCH-REPORTWO2018025133
INTERNATIONAL-SEARCH-REPORTWO2018092392
OPPOSITIONEP0200313
OPPOSITIONEP0901136
OPPOSITIONJP5193086B
OPPOSITIONKR100302357B
OPPOSITIONUS2001046459
OPPOSITIONUS2013257301
OPPOSITIONUS2015061808
OPPOSITIONWO0053529
OPPOSITIONWO0220398
OPPOSITIONWO2018025133
OPPOSITIONWO2018092392
OPPOSITIONWO9404011

Non-Patent Literature (NPL) Citations (8) 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
DESCRIPTION- Kogelschatz in Plasma Chemistry and Plasma processing, vol. 23, no. 1, pages 1 - 46-
OPPOSITION- D C Seok, "DBD parameter for production of high ozone concentration", 31st ICPIG, (20130701), XP093167122-
OPPOSITION- Gbs Elektronik, "Minipuls Universal - Full bridge square wave generator for driving high frequency transformers", Technical Data Sheet, (20180116), XP093167129-
OPPOSITION- T. Filchev ; D. Cook ; P. Wheeler ; A. Van den Bossche ; J. Clare ; V. Valchev, "High power, high voltage, high frequency transformer / rectifier for HV industrial applications", 2008 13th International Power Electronics and Motion Control Conference : [EPE-PEMC 2008] ; Poznan, Poland, 1 - 3 September 2008, IEEE, Piscataway, NJ, USA, Piscataway, NJ, USA , (20080901), ISBN 978-1-4244-1741-4, pages 1326 - 1331, XP031329010-
OPPOSITION- Amjad Muhammad; Salam Zainal, "Design and implementation of a high-frequency LC-based half-bridge resonant converter for dielectric barrier discharge ozone generator", IET Power Electronics, IET, UK, UK , (20140901), vol. 7, no. 9, doi:10.1049/iet-pel.2013.0511, ISSN 1755-4535, pages 2403 - 2411, XP006049583
OPPOSITION- R.G. Haverkamp, B.B. Miller, K.W. Free, "Ozone Production in a High Frequency Dielectric Barrier Discharge Generator", OZONE: SCIENCE AND ENGINEERING., LEWIS PUBLISHERS, CHELSEA, MI., US, US , (20020101), vol. 24, no. 5, doi:10.1080/01919510208901623, ISSN 0191-9512, pages 321 - 328, XP055288728
OPPOSITION- You Changqi; Wang Mengqi; Ye Jin, "An isolated high-voltage high-frequency pulsed power converter for non-thermal plasma ozone generation", 2017 IEEE Energy Conversion Congress and Exposition (ECCE), IEEE, (20171001), doi:10.1109/ECCE.2017.8096436, pages 2232 - 2237, XP033247087
OPPOSITION- Muhammad Amjad, "Analysis and Implementation of Transformerless LCL Resonant Power Supply for Ozone Generation", IEEE Transactions on Power Electronics, Institute of Electrical and Electronics Engineers, USA, USA , (20130201), vol. 28, no. 2, doi:10.1109/TPEL.2012.2202130, ISSN 0885-8993, pages 650 - 660, XP093167113

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