GENEVA, Feb. 9 -- EDWARDS KOREA LIMITED (96, 3 gongdan 1-roSeobuk-GuCheonan-SiChungcheongnam-do 331-200) filed a patent application (PCT/IB2025/056719) for "CONTROLLER, VACUUM PUMP AND METHOD FOR PUMPING HYDROGEN GAS" on Jul 02, 2025. With publication no. WO/2026/027974, the details related to the patent application was published on Feb 05, 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): KIM, JaeHo (Edwards Korea Limited80, 3 Gongdan 6-Ro,Seobuk-GuChungcheongnam-do 331-200)

Abstract: A method (500) of controlling a vacuum pump to pump hydrogen gas with minimal or no supplementary purge gas,...