Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for channeling solids and fluids within a reverse circulation drill

Device for channeling solids and fluids within a reverse circulation drill

US Patent 7467675 · Granted Dec 23, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Underreamer drill hammer2025
Down-the-hole drill hammer having a reverse exhaust system and segmented chuck a2014
Pressure reversing valve assembly for a down-the-hole percussive drilling appara2014
Down-the-hole drill hammer having a sliding exhaust check valve2014
Down-the-hole drill hammer having an extendable drill bit assembly2013
Drill bit2012
Down hole hammer having elevated exhaust2012
Down hole hammer having elevated exhaust2011
Percussive drill with adjustable flow control2004
Rockbolt assembly2002
Backhead and check valve for down-hole drills2001
Backhead and check valve for down-hole drills2001