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档案
HARDENED GRAPPLING ELEMENTS FOR RETRIEVING DOWNHOLE TOOLS, GRAPPLING TOOL, METHOD FOR MANUFACTURING A GRAPPLING ELEMENT OF A GRAPPLING TOOL
发明专利审中
§ Ⅰ
卷宗概要
发明人
ROSSING, Michael; BUNKER, William; HERNANDEZ, JR., Daniel
申请日
Feb 26, 2024
公开日
Jan 6, 2026
IPC 分类
C21DC21DC21DC21DC21DC21DC22CC22CC23CE21BE21BC23CC23C
CPC 分类
C21DC21D2211/008C21DC21DC21DC21DC21DC21DC22CC22CC23CE21BC23CC23CE21B