Patent No. EP3749896 (titled "Industrial Recuperative Burner For Industrial Furnaces") was filed by Tenova on Feb 5, 2019. The application was issued on May 8, 2024.

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 |
|---|---|---|
| GROSSE VON HIRSCHHAUSEN PATENTDIENST | Aug 30, 2022 | WITTMER |
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
Apr 11, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Feb 22, 2024
Feb 19, 2024
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Sep 26, 2023
Sep 22, 2023
Sep 22, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Jul 5, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
May 17, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
Feb 6, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Sep 27, 2022
Sep 27, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 6, 2022
Sep 5, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Dec 21, 2021
Nov 11, 2021
Oct 28, 2021
Oct 28, 2021
Oct 28, 2021
Oct 28, 2021
Oct 28, 2021
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
May 12, 2021
Mar 2, 2021
Mar 2, 2021
Mar 2, 2021
Mar 2, 2021
Mar 2, 2021
Nov 18, 2020
Sep 15, 2020
Sep 11, 2020
Sep 11, 2020
Aug 24, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Jun 19, 2020
Sep 2, 2019
Aug 15, 2019
Aug 15, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019
Mar 15, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019
Mar 6, 2019