Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Rock bit face seal having anti-rotation pins

Rock bit face seal having anti-rotation pins

US Patent 6176330 · Granted Jan 23, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Drill bit seal and method of using same2018
Lip seal for roller cone drill bit2006
Rock bit face seal having lubrication gap2002
Single energizer face seal for rocks bits with floating journal bearings2001
Earth boring bit with convergent cutter bearing1990
Earth boring bit with two piece bearing and rigid face seal assembly1988
Earth boring bit with shear compression seal1987
Earth boring bit with improved rigid face seal assembly1987
Earth boring bit with pressure compensating bearing seal1985
Earth boring bit with pressure compensating rigid face seal1985
Earth boring drill bit with snap ring cutter retention1985
Device for evaluating abrasive wear of elastomeric O-ring materials1983