Ignition Component Of A Le-Efi Ignition Module

Patent No. EP4390299 (titled "Ignition Component Of A Le-Efi Ignition Module") was filed by Diehl Defence on Dec 5, 2023. The application was issued on Oct 8, 2025.

Patent Summary

EFI detonation component using a hard ceramic substrate to eliminate energy loss from air gaps and adhesives. A metal bridge is vapor-deposited directly onto the substrate, followed by a spin-coated plastic layer that is heat-treated for strength. This rigid base acts as an anvil, ensuring all explosive energy accelerates the flyer without loss. The design allows ignition at lower voltages while maintaining safety and timing precision.

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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.

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

EP4390299

DIEHL DEFENCE
Application Number
EP23214213A
Filing Date
Dec 5, 2023
Status
Granted And Under Opposition
Sep 5, 2025
Publication Date
Oct 8, 2025