GENEVA, July 6 -- DEL BARBA, Willy filed a patent application (EP2025/088808) for “OIL-FREE CIRCULAR PISTON COMPRESSOR”. With publication no. WO/2026/139516, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F04B 27/08
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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