Changin Aviation is pleased to share that one of our core international patents —
PCT/KR2024/009557 (WO2025014192A1) titled “Lifting Apparatus for Aerial Vehicle” — was featured on GreyB’s XRAY platform in a report published on August 11, 2025.
Although we discovered this report only recently, we consider it a great honor that our innovation was independently analyzed and publicly highlighted by GreyB, a globally respected patent intelligence organization.
We sincerely appreciate GreyB for publishing such a valuable and insightful report.
GreyB XRAY Report: https://xray.greyb.com/drones/aerodynamic-propulsion-efficiency
This patent is part of Changin Aviation’s Patent Portfolio for Hybrid AAM/HAPS Aircraft and
VTOL UAV, which includes multiple granted United States patents:
US12134469B2
US12134102B2
US13007789B2
US20250197021A1 (Application)
Our portfolio reflects Changin Aviation’s commitment to developing next‑generation aerospace systems that integrate high‑altitude platforms,
advanced air mobility technologies, and vertical takeoff and landing capabilities.
The recognition from GreyB reinforces the global relevance and technical potential of our innovations.
Changin Aviation will continue to leverage its international patent portfolio as we engage with financial institutions, strategic partners,
and technology collaborators to accelerate the development and commercialization of our Hybrid AAM/HAPS and VTOL UAV systems.