Apparatus for cleaning drills
Auger cleaner
Auger cleaning device
Auger wiper
Cleaning device for earth augers
Drill pipe wiper system and associated method
Drill rod table bushing arrangement
External pipe wiping apparatus and method of pulling and wiping
Flute-wiping auger cleaner
Hole cleaning device for augers
Pipe wiper
Pipe wiper assembly for a well drilling unit
Soil sampler
Soil sampling device
Wiper device for stripping drilling fluid from rig drill string