GENEVA, July 18 -- "PROPULSION SYSTEMS" LIMITED LIABILITY COMPANY filed a patent application (RU2025/000003) for “AIRCRAFT PISTON ENGINE”. With publication no. WO/2026/151359, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: F02B 75/24

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

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