Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Boom and arm member of construction machine excellent in weld zone fatigue strength and method of improvement of its fatigue strength

Boom and arm member of construction machine excellent in weld zone fatigue strength and method of improvement of its fatigue strength

US Patent 8146794 · Granted Apr 3, 2012

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plasma torch2015
Impact treatment method for improving fatigue characteristics of welded joint, i2014
High strength thick steel plate superior in crack arrestability2011
Method of production of steel product with nanocrystallized surface layer2010
Method of production of steel product with nanocrystallized surface layer2010
Method of improvement of toughness of heat affected zone at welded joint of stee2010
Method of improvement of toughness of heat affected zone at welded joint of stee2010
Circularly welded joint featuring excellent fatigue strength, method of producin2010
Ceramic plates for side DAMS of twin-drum continuous strip casters2007
Black ceramic sinter with low thermal expansion and high specific rigidity and p2006
Electroconductive low thermal expansion ceramic sintered body2005
Low thermal expansion and high rigidity ceramic sintered body2002