US Patent Issued to Huizhou Voir Science & Technology on Sept. 8 for "Oilproof assembly, oilproof vent valve, and device with oil tank" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,381, issued on Sept. 8, was assigned to Huizhou Voir Science & Technology Co. Ltd. (Guangdong, China).

"Oilproof assembly, oilproof vent valve, and device with oil tank" was invented by Wenbo Han (Guangdong, China) and Zhixiang Chen (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an oilproof assembly, an oilproof vent valve, and a device with an oil tank. The oilproof assembly includes: a valve body, wherein a cavity is formed in the middle, the valve body includes a first end and a second end; a first filter element arranged in the cavity at the first end; a limiting part arranged in the cavity at the second end; and ...