Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Corrosion-resistant thread joint for percussion drill element and method of achieving such resistance

Corrosion-resistant thread joint for percussion drill element and method of achieving such resistance

US Patent 6334493 · Granted Jan 1, 2002

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Drill string component2017
Elongated percussive rock drilling element, a method for production thereof and 2012
Rock drill bit and a thread joint therefor2008
Drill member for rock drilling and a method for manufacturing the drill member2007
Percussive rock drill bit and buttons therefor and method for manufacturing dril2003
Elongated percussive rock drilling element2003
Percussive rock drill bit and buttons therefor and method for manufacturing dril2003
Corrosion-resistant thread joint for percussion drill element and method of achi2002
Ferritic alloy for constructions2001
Steel alloy for compound tubes2001
Austenitic stainless steel with good oxidation resistance2000
Austenitic stainless steel with good oxidation resistance1998