ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,960, issued on Dec. 16, was assigned to DONGGUAN HESHENG MACHINERY & ELECTRIC Co. LTD. (Dongguan, China).
"Filter device for air compressor" was invented by Chi-Wen Chen (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The filter device is applied to a small-size air compressor. The filter device includes a base member and a cover member. The base member has a back side and a front side. The back side is for sealing and connecting to a rear end of a driving motor of the air compressor. The front side is provided with a housing space surrounded with a side wall. The base member has multiple exhaust holes, allowing the housing space ...