ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,653, issued on Jan. 13, was assigned to ZHEJIANG WEITAI AUTOMOBILE PARTS Co. LTD. (Huzhou, China).
"Filter device" was invented by Jianbin Cheng (Huzhou, China), Yu Zhang (Huzhou, China), Qinglin Deng (Huzhou, China), Xiaowei Ying (Huzhou, China) and Xu Chen (Huzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a filter device, including a housing, a primary filter body, and a secondary filter body. The housing is formed with a first channel for fuel to flow in. The primary filter body includes a support fence, a particulate filter medium, and end covers. The secondary filter body is formed with a second cha...