ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,222, issued on Sept. 22, was assigned to Zhongshan Diweisi Electrical Technology Co. Ltd. (Zhongshan, China). "Bottle washing machine" was... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,223, issued on Sept. 22. "Ultrasonic cleaner" was invented by Xiaochun Chen (Xianyang, China). The patent was filed on Dec. 23, 2025, und... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,224, issued on Sept. 22, was assigned to RIKON (H.K.) PHOTOGRAPHIC EQUIPMENT Ltd. (Nt, China). "Combined portable cleaner and blower" was ... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,225, issued on Sept. 22. "Main engine of steam cleaner" was invented by Jiayang Huang (Quanzhou City, China). The patent was filed on Sep... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,226, issued on Sept. 22. "Vacuum cleaner" was invented by Zhengqiang Dong (Chongqing, China). The patent was filed on March 11, 2024, und... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,227, issued on Sept. 22, was assigned to Ningbo Kechen Electrical Appliance Co. Ltd (Ningbo, China). "Portable vacuum cleaner" was invente... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,228, issued on Sept. 22. "Hand-held vacuum cleaner" was invented by Ping Lu (Suzhou, China). The patent was filed on Aug. 20, 2025, under... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,229, issued on Sept. 22. "Robot vacuum cleaner with base station" was invented by Zhengqiang Dong (Chongqing, China). The patent was file... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,230, issued on Sept. 22, was assigned to SharkNinja Operating LLC (Needham, Mass.). "Replacement roller for a floor cleaner" was invented ... Read More
ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,231, issued on Sept. 22, was assigned to Anker Innovations Technology Co. Ltd. (Changsha, China). "Base station for a robotic cleaner" was... Read More