Alexandria, April 17 -- Sarine Tech Ltd has received a patent for System and Method for Grading Clarity of Gemstones. This invention was developed by Sheps Ran, Kofman Itamar and Kerner Avi. The patent application number is US202218290511 20220516. The patent publication number is US12601690 (B2). International Patent Classif..

Beijing, April 17 -- Chinese Patent for Annular Jewelry Fixer has been issued to Foshan Guocheng Machinery Parts Co Ltd. This invention was developed by Shi Guohua. The patent application number is CN20242386388U 20241213. The patent publication number is CN223492961 (U). International Patent Classification codes are A44C27/0..

Beijing, April 15 -- South Central University for Nationalities has been granted a patent for Intelligent Necklace for Pet Health Monitoring. This invention was developed by Wang Zhenze and Gou Xianyu. The patent application number is CN202422307680U 20240923. The patent publication number is CN223472835 (U). International Pa..

Beijing, April 14 -- Huizhou Zhengshengsheng Jewelry Co Ltd has been granted a patent for Combined Crucible Easy to Clean. Su Zichong developed the invention. The patent application number is CN202422807245U 20241118. The patent publication number is CN223470488 (U). International Patent Classification codes are F27B14/10 and..