International Patent: DRILL PIPE WITH WELDED WEAR-RESISTANT STRUCTURE, AND WELDING METHOD

GENEVA, Oct. 1 -- SHANGHAI HILONG DRILL PIPE CO., LTD. filed a patent application (CN2025/085905) for “DRILL PIPE WITH WELDED WEAR-RESISTANT STRUCTURE, AND WELDING METHOD”. With publication no. WO/2026/188603, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: E21B 17/10

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....