GENEVA, Oct. 12 -- ZHANG, Xianliang (Dongtang 110, Qingyi Village, Yangming Street, Liangxi DistrictWuxi, Jiangsu 214000), 张贤良 (中国江苏省无锡市梁溪区扬名街道清一村东塘110号) filed a patent application (PCT/CN2024/085117) for "TOROIDAL WORM AND ARC GEAR/WORM AND ARC RACK TRANSMISSION PAIR AND TRANSMISSION DEVICE THEREFOR" on Mar 31, 2024. With publication no. WO/2025/208255, the details related to the patent application was published on Oct 09, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectua...