Matches 1 - 17 out of 17


Match Document Document Title
US20120103695 DRILLING EQUIPMENT AND ATTACHMENT MEANS FOR THE SAME  
This invention relates to a ground drilling or cutting tool comprising a cutting element removably attached thereto by attachment means, the tool further including retention means adapted to...
US20080029311 UNIBIT WITH REPLACEMENT BLADE  
A unibit with replacement blade provides economical refreshing of the many cutting facets of a unibit drill bit with a unibit replacement blade that is releasably secured in the unibit body. In...
US20090302668 Holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations  
The present invention provides a holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations. The body has an attachment surface...
US20120111641 Detachable drill bit  
The submitted design has same functions and usage as conventional drill heads. It consists of two parts, a solid and a recess truncated cone with 4 sets of troughs and teeth. The two parts are...
US20090283334 IMPREGNATED DRILL BIT  
A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a...
US20090120693 EARTH-BORING TOOLS ATTACHABLE TO A CASING STRING AND METHODS FOR THEIR MANUFACTURE  
Casing bits include a crown having a substantially hollow interior. The bit crown has blades over a face portion thereof, the blades including a plurality of cutting elements attached thereto. The...
US20100163310 METHOD OF MANUFACTURING AND REPAIRING FIXED-CUTTER DRAG-TYPE ROTARY TOOLS WITH CUTTING CONTROL STRUCTURES  
A rotary tool for drilling subterranean material is disclosed. The rotary tool includes a tool body having a distal crown end comprising a circumferential series of raised cutting blades with...
US20110278072 Central Cutting Region of a Drilling Head Assembly  
In one aspect of the invention, a drilling assembly comprises a head located on a rotational axis of the assembly and comprises at least one head element. At least one blade extends distally from...
US20100218999 DRILL BIT FOR EARTH BORING  
Embodiments of the present invention include a drill bit configured for boring holes or wells into the earth. Embodiments include a drill bit comprised of a plurality of blades. Each of the...
US20100252332 DRILL BIT FOR EARTH BORING  
Embodiments of the present invention include a drill bit configured for boring holes or wells into the earth. Embodiments include a drill bit comprised of a plurality of blades. A first plurality...
US20100175927 EARTH DRILLING REAMER WITH REPLACEABLE BLADES  
An earth drilling reamer has an elongated body having an outer surface and a plurality of blade mounting supports extending radially outwardly from the outer surface of the body. Each blade...
US20170130534 EARTH-BORING TOOLS CARRYING FORMATION-ENGAGING STRUCTURES  
An earth-boring tool includes a blade located on a body of the earth-boring tool with a pocket formed in an exposed outer surface of the blade. A formation-engaging structure is affixed within the...
US20160319606 Replaceable Wear Tooth Assembly  
An improved tooth 21 and tooth holder 22 assembly for use with a digging implement such as a post hole digger has a first retention member 23 and a second retention member 24 each of which can be...
US20160258224 EARTH-BORING TOOLS INCLUDING FORMATION-ENGAGING STRUCTURES HAVING RETENTION FEATURES AND RELATED METHODS  
An earth-boring tool includes a formation-engaging structure with a formation-engaging surface at a distal end and a side surface between a proximal end and the distal end along a central axis of...
US20160153243 ROLLING ELEMENT ASSEMBLIES  
A drill bit that includes a bit body having one or more blades extending therefrom and a plurality of cutters secured to the one or more blades. One or more rolling elements are positioned on the...
US20150322727 FORMATION-ENGAGING STRUCTURES HAVING RETENTION AND REMOVAL FEATURES, EARTH-BORING TOOLS INCLUDING SUCH STRUCTURES, AND RELATED METHODS  
An earth-boring tool includes a formation-engaging structure with a formation-engaging surface at a distal end and a side surface between a proximal end and the distal end along a central axis of...
US20150322726 FORMATION-ENGAGING ASSEMBLIES, EARTH-BORING TOOLS INCLUDING SUCH ASSEMBLIES, AND RELATED METHODS  
A formation-engaging assembly includes a formation-engaging structure holder with a side surface between a proximal end and a distal end, a receptacle in the distal end, and a lateral protrusion...

Matches 1 - 17 out of 17