Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Guide tube of a drill string configured to facilitate unscrewing thereof from a member of the drill string

Guide tube of a drill string configured to facilitate unscrewing thereof from a member of the drill string

US Patent 6681875 · Granted Jan 27, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tool for chip removing machining as well as a part and threaded joint therefor2012
Device for transverse sealing2012
Tool for chip removing machining as well as a part and threaded joint therefor2009
Drill rod and method of manufacture thereof2009
Portion of a drill bit2006
Thread joint and threaded components for percussive drilling components2004
Percussive drilling apparatus2003
Rock drill bit having retrac teeth and method for its manufacturing2002
Percussive drilling apparatus2000
Rock drilling tool, drill bit and a method of transferring percussive energy1999
Cant forming device1998
Excavating tool cutting insert1992