Aircraft Having Wing Folding Mechanism

Patent No. EP4298016 (titled "Aircraft Having Wing Folding Mechanism") was filed by Diehl Defence on Feb 22, 2022. The application was issued on Feb 19, 2025.

Patent Summary

Aircraft with passive folding wings that deploy from a compact configuration using an external activation device, eliminating the need for onboard propulsion or control systems. The wings are hinged to a folding bearing that provides the folding functionality, and are aligned with their axes along the longitudinal axis in the packed state. An external carrier supplies energy to operate the activation device, which moves the wings into flight mode.

Patent Family

Patent Family

Patent Oppositions

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 DateRepresentative
MBDA DEUTSCHLANDNov 7, 2025ISARPATENT

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

EP4298016

DIEHL DEFENCE
Application Number
EP22707146A
Filing Date
Feb 22, 2022
Status
Granted And Under Opposition
Jan 17, 2025
Publication Date
Feb 19, 2025