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The patent EP4031292 was granted to Nordson on Dec 25, 2024. The application was filed on Sep 18, 2020 under application number EP20781730A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
A hot melt liquid dispensing system with electronic air pressure control, comprising a pump, an air flow path, an electronic pressure sensor, and a controller. The controller receives pressure readings from the sensor and adjusts air pressure in the flow path to maintain a setpoint, enabling precise control of adhesive flow and dispensing.

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