ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,445, issued on Feb. 3, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Method for monitoring and maintaining health state of electrical device, and electronic device" was invented by Wei Zheng (Fujian, China), Zhui Wang (Fujian, China), Longbin Huang (Fujian, China), Zhen Chen (Fujian, China) and Changhui You (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and devices for monitoring and maintaining a health state of an electrical device. The methods can include obtaining a first operation state of the electrical device; rendering a holographic image of the electrical device and a first health state of the electrical device...