ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,796, issued on Oct. 7, was assigned to Tencent Technology (Shenzhen) Co. Ltd. (Shenzhen, China).

"Device type identification method and apparatus, computer device, and storage medium" was invented by Zhicheng Dong (Shenzhen, China) and Chenchen Peng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to a device type identification method performed by a computer device. The method includes: transmitting a port open/closed state probe packet to at least two target devices; receiving port open/closed state information returned by the at least two target devices in response to the port open/closed state probe packet,...