GENEVA, June 19 -- JIANGSU HEXIN PETROLEUM MACHINERY CO., LTD. filed a patent application (CN2025/088709) for “REVERSIBLE DRILLING RIG FOR GEOLOGICAL EXPLORATION”. With publication no. WO/2026/103014, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E21B 7/02
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Disclaimer: Curated by HT Syndication....