INTERNATIONAL PATENT: POLYVENT PTY LTD FILES APPLICATION FOR "PRESSURE RELIEF AND VENTILATION REDUCER APPARATUS FOR UNDERGROUND VENTILATION SYSTEM"

GENEVA, May 17 -- POLYVENT PTY LTD (154 Elizabeth StreetSydney, New South Wales 2000) filed a patent application (PCT/AU2025/051269) for "PRESSURE RELIEF AND VENTILATION REDUCER APPARATUS FOR UNDERGROUND VENTILATION SYSTEM" on Nov 07, 2025. With publication no. WO/2026/097139, the details related to the patent application was published on May 15, 2026.

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): SKEFFINGTON, Thomas Christian (c/- 154 Elizabeth StreetSydney, New South Wales 2000), IANNI, Joseph (c/- 154 Elizabeth StreetSydney, New South Wales 2000)

Abstract: A pressure relief and ventilation r...