Beijing, Aug. 29 -- Chinese Patent for Resin Diamond Ornament Facet Processing Device has been issued to Jiangxi Haoqing Jewelry Co Ltd. This invention was developed by Wang Zhiping. The patent application number is CN202422822880U 20241119. The patent publication number is CN223589020 (U). International Patent Classification..

Beijing, Aug. 28 -- State Intellectual Property Office of China has released Guangdong Qisheng Jewelry Co Ltd patent application for Multi-station Jewelry Rotary Grinding All-in-one Machine. This invention was developed by Zeng Yilin, Zhuang Chuyuan and Lin Guocheng. The patent application number is CN202610620400 20260508. T..

Alexandria, Aug. 27 -- Comm V Sugihara Consult has submitted a patent application for Cut for a Diamond. Sugihara Nobuki developed the invention. The patent application number is US202519054028 20250214. The patent publication number is US20260240290 (A1). International Patent Classification code is A44C17/00. Cooperative Pat..