ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,240, issued on Aug. 11. "Portable vacuum cleaner" was invented by Jianping Zhao (Suzhou, China). The patent was filed on Dec. 3, 2024, und... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,241, issued on Aug. 11. "Separate double dust cup bed vacuum cleaner" was invented by Feng Mei (Jiangsu Province, China). The patent was f... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,242, issued on Aug. 11, was assigned to Anker Innovations Technology Co. Ltd. (Shenzhen, China). "Spot cleaner" was invented by Chao Ren (S... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,243, issued on Aug. 11, was assigned to Guangdong Xingyu Intelligent Technology Co. Ltd (Dongguan, China). "Robotic vacuum cleaner" was inv... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,244, issued on Aug. 11, was assigned to LG Electronics Inc. (Seoul, South Korea). "Robot vacuum cleaner" was invented by Donghwan Lee (Seou... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,245, issued on Aug. 11, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing). "Cleaning robot" was invented by Zechen Yu (Beijing... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,246, issued on Aug. 11, was assigned to SHENZHEN INXNI INNOVATION TECHNOLOGY Co. LTD. (Shenzhen, China). "Cleaning machine set" was invente... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,247, issued on Aug. 11. "Vacuum head" was invented by Dustin Chaffin (West Jordan, Utah). The patent was filed on July 7, 2025, under Appl... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,248, issued on Aug. 11, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing). "Rolling brush for cleaning robot" was invented by ... और पढ़ें
ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,249, issued on Aug. 11, was assigned to Unger Marketing International LLC (Bridgeport, Conn.). "Window cleaning glove" was invented by Jame... और पढ़ें