US Patent Issued to SHENZHEN LISEN INTELLIGENT on Nov. 25 for "Negative pressure suction-based fixing device" (Chinese Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,617, issued on Nov. 25, was assigned to SHENZHEN LISEN INTELLIGENT Co. LTD. (Shenzhen, China).

"Negative pressure suction-based fixing device" was invented by Rufeng Yang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a negative pressure suction-based fixing device comprising a housing, a suction and holding member, a negative pressure creating assembly, a solar panel and a battery; wherein, the housing may have an accommodating cavity thereinside; the suction and holding member may be suctioned onto a suction surface; an end of the suction and holding member away from the housing may be provided with a suction cavity ...