US Patent Issued to HANGZHOU COOLKIND BOAT TECHNOLOGY, CHINASHIP COOLKING (ZHEJIANG) TECHNOLOGY, ZHEJIANG COOLKIND INTELLIGENT TECHNOLOGY on May 27 for "Graphene electrostatic filtering device" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,258, issued on May 27, was assigned to HANGZHOU COOLKIND BOAT TECHNOLOGY Co. LTD. (Hangzhou, China), CHINASHIP COOLKING (ZHEJIANG) TECHNOLOGY Co. LTD. (Ningbo, China) and ZHEJIANG COOLKIND INTELLIGENT TECHNOLOGY Co. LTD. (Hangzhou, China).

"Graphene electrostatic filtering device" was invented by Ji Han (Hangzhou, China), Weiying Zhang (Hangzhou, China), Ting Lin (Hangzhou, China), Xiaodi Chang (Hangzhou, China) and Minmin Zhang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a graphene electrostatic filtering device. The device includes a filtering mechanism, and an auxiliary device is arranged on the filtering mechanism...