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| Application No. | Application Title | Issue Date |
| 20110031027 | CORE DRILL BITS WITH ENCLOSED FLUID SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 02/10/2011 |
| 20100288560 | MODULAR ROTARY DRILL HEAD A modular base assembly for a rotary drill head includes a drive flange assembly having a tubular drive shaft configured to engage at least a lower drive interface. The modular base assembly also includes a gear housing supporting the drive flange assembly. Furthermore,... | 11/18/2010 |
| 20100155174 | NOISE ABATEMENT DEVICE FOR A PNEUMATIC TOOL Noise-abatement devices are provided for a pneumatic tool that can include a housing having a first end and a second end. An expansion chamber is defined within the expansion chamber. At least one tube is located at least partially within the expansion chamber in which ... | 06/24/2010 |
| 20100101863 | SONIC DRILL ROD WITH EXTERNAL SURFACE FEATURES Drill rods and systems for use in drilling processes, as well as methods for making and using such drill rods and systems. A drill rod configured for sonic drilling operations can include a cylindrical body having an interior surface and an exterior surface. A first con... | 04/29/2010 |
| 20100089653 | ISOLATION SYSTEM FOR DRILLING SYSTEMS In at least one example, an isolation system includes at least one air bladder assembly including at least one air bladder and at least one coupling member coupling the air bladder to a drill head, wherein the air bladder is configured to compress and expand to counter ... | 04/15/2010 |
| 20100089646 | SONIC DRILL HEAD A drill head assembly includes a shaft having a shaft axis, an oscillator assembly operatively associated with the shaft, the oscillator assembly having at least one eccentrically weighted rotor configured to rotate about a pivot point to generate an oscillating vibrato... | 04/15/2010 |
| 20100078221 | MODULAR ROTARY DRILL HEAD A modular base assembly for a rotary drill head includes a drive flange assembly having a tubular drive shaft configured to engage at least a lower drive interface, a gear housing supporting the drive flange assembly, and a plurality of interchangeable gear pinions sele... | 04/01/2010 |
| 20100065335 | ARTICULATION ASSEMBLY FOR MOVING A DRILL MAST A jib assembly for use with a drill rig includes a jib boom having a first end and a second end. The jib boom is to rotate about the first end and the second end is configured to be coupled to a mast assembly mount. The jib assembly also includes an articulation assembl... | 03/18/2010 |
| 20100059281 | EXTERNAL WATER DELIVERY SYSTEM FOR ROCK DRILLS An external water delivery system includes a water box front head, a collet configured to interface with the water box front head, a polymer sleeve configured to be positioned between the water box front head and the collet, a shank, and at least one seal positioned wit... | 03/11/2010 |
| 20100059280 | FEED MECHANISM FOR DRILLING SYSTEMS A cartridge feed screw nut includes a body having a tubular threaded opening defined therein and having side portions. The side portions include a plurality of lateral surfaces and a plurality of end surfaces. The lateral surfaces and the end surfaces form a profile sha... | 03/11/2010 |
| 20100012386 | DRILL BITS WITH ENCLOSED SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 01/21/2010 |
| 20100012385 | DRILL BITS WITH ENCLOSED FLUID SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 01/21/2010 |
| 20100012382 | DRILL BITS WITH INCREASED CROWN HEIGHT Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 01/21/2010 |
| 20100012381 | DRILL BITS WITH NOTCHES AND ENCLOSED SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 01/21/2010 |
| 20100008738 | FIBER-CONTAINING SINTERED CUTTING TOOLS Fibers for diamond-impregnated cutting tools and their associated methods for manufacture and use are described. A matrix is formed that contains fibers made from carbon, glass, ceramic, polymer, and the like. The matrix is then sintered to form a cutting portion of a d... | 01/14/2010 |
| 20100006344 | DRILL BITS WITH ENCLOSED FLUID SLOTS AND INTERNAL FLUTES Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th... | 01/14/2010 |
| 20090294211 | NOISE REDUCING DEVICE FOR A PNEUMATIC TOOL A noise reducing device includes a housing defining an expansion chamber therein and having a longitudinal axis along the length of the expansion chamber and a tool port in fluid communication with the expansion chamber, the tool port being oriented transversely relativ... | 12/03/2009 |
| 20090283284 | PNUEMATIC DRIFTER WITH REPLACEABLE FOOT PIECES Pneumatic drifters containing a drifter cylinder with removable feet and associated methods for using the pneumatic drifters are described. The removable feet are connected to feet pad of a drifter cylinder with multiple fasteners. The mating surfaces of the feet and th... | 11/19/2009 |
| 20090277688 | SONIC WIRELINE DRY SLOUGH BARREL Slough removal assemblies and methods for removing slough from boreholes are described. A slough removal assembly containing a slough barrel is lowered into a borehole having excess slough, driven into the slough to cause the slough to enter the slough barrel, and the s... | 11/12/2009 |
| 20090173542 | VIBRATORY UNIT FOR DRILLING SYSTEMS A down-the-hole vibratory unit for a drilling system includes a casing comprising a fluid inlet, and a plurality of eccentrically weighted rotor assemblies positioned at least partially within the casing and in fluid communication with the inlet, the eccentrically weigh... | 07/09/2009 |
| 20090127918 | VIBRATORY MILLING MACHINE HAVING LINEAR RECIPROCATING MOTION A continuous mining method includes operating a vibratory milling machine having a milling head, a base, and a milling tool to oscillate the milling head in a substantially linear reciprocating fashion relative to the base to move the milling tool along a milling axis; ... | 05/21/2009 |
| 20090101412 | DRILL-STRING SHOCK ABSORBERS Implementations of the present invention relate generally to methods, systems, and apparatus for absorbing vibration and shock impulses created during drilling operations. In particular, implementations of the present invention include drill-string shock absorbers adapt... | 04/23/2009 |
| 20090090530 | NOISE ABATEMENT DEVICE FOR A PNEUMATIC TOOL Noise-abatement devices are provided for a pneumatic tool that can include a housing having a first end and a second end. An expansion chamber is defined within the expansion chamber. At least one tube is located at least partially within the expansion chamber in which ... | 04/09/2009 |
| 20090078469 | METHODS OF FORMING AND USING FIBER-CONTAINING DIAMOND-IMPREGNATED CUTTING TOOLS Fibers for diamond-impregnated cutting tools and their associated methods for manufacture and use are described. A matrix is formed that contains fibers made from carbon, glass, ceramic, polymer, and the like. The matrix is then sintered to form a cutting portion of a d... | 03/26/2009 |
| 20090072061 | CONTINUOUS VIBRATORY MILLING MACHINE A vibratory milling machine has a vibratory housing confined to substantially linear reciprocating motion relative to a base, causing a tool carried by the housing to impact a mineral formation or other work piece substantially in a primary milling direction. The vibrat... | 03/19/2009 |
| 20090071724 | DRILLING SYSTEMS INCLUDING FIBER-CONTAINING DIAMOND-IMPREGNATED CUTTING TOOLS Diamond-impregnated cutting tools including fibers and drilling systems incorporating such tools are described. The cutting tools contain a diamond-impregnated cutting portion that contains fibers made from carbon, glass, ceramic, polymer, and the like. The fibers may b... | 03/19/2009 |
| 20090056931 | CLAMPING AND BREAKING DEVICE A system for clamping and breaking threaded tubular members includes a clamping device configured to grip a threaded tubular member. The clamping device further includes a housing and a base mount associated with the housing. A breaking device can be provided to grip an... | 03/05/2009 |
| 20080314203 | PROCESS OF DRILL BIT MANUFACTURE A method for making drill bits includes sequentially moving a plurality of drill bits through a belt furnace, and moving the drill bits to a cooling station using an automated device after the drill bits have moved through the belt furnace. A continuous process for maki... | 12/25/2008 |
