GENEVA, July 8 -- VERSUNI HOLDING B.V. (Claude Debussylaan 881082 MD Amsterdam) filed a patent application (PCT/EP2024/081188) for "FOLDABLE FILTER DEVICE AND AIR PURIFIER" on Nov 05, 2024. With publication no. WO/2025/140797, the details related to the patent application was published on Jul 03, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): YE, Dong Dong (Claude Debussylaan 881082 MD Amsterdam), ZHANG, Wei (Claude Debussylaan 881082 MD Amsterdam), YU, Donghai (Claude Debussylaan 881082 MD Amsterdam)

Abstract: The present disclosure relates to a foldable filter device (100) and an air p...