杰克科技公布国际专利申请：“一种缝纫机送料牙调节装置及缝纫机”

Core Viewpoint - Jack Technology (603337) has filed an international patent application for a sewing machine feeding tooth adjustment device, indicating a focus on innovation and R&D in the sewing machine industry [1] Group 1: Patent Information - The patent application is titled "A Feeding Tooth Adjustment Device for Sewing Machines" with application number PCT/CN2025/115637, and it is set to be published internationally on February 26, 2026 [1] - This marks the fourth international patent application filed by Jack Technology this year, showcasing the company's commitment to expanding its intellectual property portfolio [1] Group 2: R&D Investment - In the first half of 2025, Jack Technology invested 257 million yuan in research and development, reflecting a year-on-year increase of 22.94% [1]