Patent No. EP3972737 (titled "Method For Monitoring A High-Pressure Roller Press") was filed by Maschinenfabrik Kppern on May 28, 2021. The application was issued on May 31, 2023.
A method for monitoring the operating condition of a high-pressure roller press, comprising storing raw operating data from sensors on an edge computer located near the press, evaluating the data on the edge computer using analysis algorithms to generate characteristic data, and transmitting the characteristic data wirelessly to end devices for display and visualization.

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 |
|---|---|---|
| TAKRAF | Feb 29, 2024 | KAILUWEIT & UHLEMANN PATENTANWALTE PARTNERSCHAFT MBB |
| THYSSENKRUPP POLYSIUS | Feb 27, 2024 | TETZNER |
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