Beijing, April 23 -- Qingdao Institute of Measurement Tech has been granted a patent for clamping and positioning tool for jewelry detection. Qu Zhi, Zhang Xin, Li Peng, Jiang Ming and Zhang Qifu developed the invention. The patent application number is CN202320981101U 20230426. The patent publication number is CN219685235 (U..

Beijing, April 23 -- Chinese Patent for rotatable casting machine has been issued to Shenzhen Hengshen Jewelry Equipment. This invention was developed by Li Zhong. The patent application number is CN202320537580U 20230310. The patent publication number is CN219683917 (U). International Patent Classification codes are B22D18/0..

Beijing, April 23 -- Yiwu Lisheng Packaging has secured a patent on jewel case assembling device. He Xiaojun developed the invention. The patent application number is CN20232093468U 20230131. The patent publication number is CN219685378 (U). International Patent Classification codes are B25B11/02 and B25B27/00. The abstra..

Beijing, April 22 -- Shenzhen Yuyue Jewelry has been granted a patent for all-match jewelry accessory. This invention was developed by Zheng Changhong. The patent application number is CN202321314939U 20230525. The patent publication number is CN219679941 (U). International Patent Classification code is A44C25/00. Accordi..

Beijing, April 22 -- State Intellectual Property Office of China has awarded Shenzhen Qiduyinjiangshijia Ind a patent for necklace pendant for decorating gemstone. Lin Zhishan developed the invention. The patent application number is CN20232178510U 20230508. The patent publication number is CN219679940 (U). International Pate..

Beijing, April 22 -- Dongguan Aishite Tech has been awarded a patent for pressing-pressing self-locking type bracelet convenient to disassemble. This invention was developed by Qiu Hechao. The patent application number is CN202320487996U 20230313. The patent publication number is CN219679938 (U). International Patent Classifi..

Alexandria, April 22 -- U.S. Patent and Trademark Office has received Roberto Demeglio SpA's patent application for article of jewelry or costume jewelry comprising a plurality of ornamental elements coupled two by two with at least one shock-absorbing spacer element arranged therebetween. Demeglio Roberto developed the inventio..

Taipei, April 20 -- Memory Ball Entpr has submitted a patent application for an item of jewellery. Tan Chee Kheng developed the invention. The patent application number is TW20220108458 20220309. The patent publication number is TW202300059 (A). International Patent Classification codes are A44C27/00, A44C5/00 and A44C9/00. C..

Beijing, April 18 -- Foshan Easybox Jewellery Packaging has received a patent for gold stamping equipment with high utilization rate. This invention was developed by Haferling Alexander. The patent application number is CN202321291232U 20230525. The patent publication number is CN219667732 (U). International Patent Classifica..

Beijing, April 18 -- Qingdao Luoselin Ornament has been granted a patent for necklace jewelry cleaning device. Zhang Tai and Li Fang developed the invention. The patent application number is CN202320557488U 20230321. The patent publication number is CN219664683 (U). International Patent Classification codes are B08B13/00 and ..

Beijing, April 18 -- Jiangxi Jingzuan Jewelry has obtained a patent for polishing device for crystal processing. This invention was developed by Zhang Guofeng, Wang Chuxiang and Wang Liangyun. The patent application number is CN202320499374U 20230315. The patent publication number is CN219666087 (U). International Patent Clas..

Beijing, April 18 -- Shanghai Xiaoquan Jewelry has received a patent for semicircular ornament line forming die for ornament processing. This invention was developed by Lu Bin and Zeng Liang. The patent application number is CN202321156263U 20230515. The patent publication number is CN219667836 (U). International Patent Class..