| Patents for E21B 10 - Drill bits (19,464) |
|---|
| 04/12/2007 | US20070079995 Cutting elements configured for casing component drillout and earth boring drill bits including same |
| 04/12/2007 | US20070079994 Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength |
| 04/12/2007 | US20070079992 System, method, and apparatus for enhancing the durability of earth-boring bits with carbide materials |
| 04/12/2007 | US20070079991 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element |
| 04/12/2007 | US20070079905 Powder coating; surface treatment; wear resistance; drill bits |
| 04/11/2007 | EP1687239B1 Dual-phase hard material, method for the production thereof and its use |
| 04/11/2007 | EP1592861B1 Cutting element |
| 04/11/2007 | CN1946916A Flat and bevel chipbreaker insert |
| 04/11/2007 | CN1944938A Rod-pit drilling rod |
| 04/11/2007 | CN1309928C Drill bit |
| 04/10/2007 | US7201241 Self relieving seal |
| 04/10/2007 | US7201237 Stabilizing system and methods for a drill bit |
| 04/10/2007 | CA2476066C Dynamic seal with soft interface |
| 04/10/2007 | CA2456501C Multi-lobed cutter element for drill bit |
| 04/10/2007 | CA2314114C Improved rock drill bit with neck protection |
| 04/10/2007 | CA2298631C Partially enhanced drill bit |
| 04/05/2007 | WO2007038208A1 Earth boring drill bits with casing component drill out capability, cutting elements for same, and methods of use |
| 04/05/2007 | DE102005046495A1 Drilling apparatus for creating cased borehole in rock or ground, has drilling elements arranged so that they can move in radial direction with respect to boring head |
| 04/04/2007 | EP1769135A1 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties |
| 04/04/2007 | CN2886062Y Large-diameter diamond composite core bit |
| 04/04/2007 | CN2886055Y Hard alloy sheet for single-chisel bit |
| 04/04/2007 | CN2886054Y Tapered tip cone wedge shaped tooth for roller bit |
| 04/04/2007 | CN1942651A Hydrodynamic pump passages for rolling cone drill bit |
| 04/04/2007 | CN1308566C Cone single roller bit |
| 04/03/2007 | US7198119 Hydraulic drill bit assembly |
| 04/03/2007 | CA2427254C Fixed blade fixed cutter hole opener |
| 03/29/2007 | WO2007035394A2 Sintered polycrystalline diamond material with extremely fine microstructures |
| 03/29/2007 | US20070068707 Hydraulic breaking hammer with lubricated implement guide sleeve |
| 03/29/2007 | US20070068706 Earth auger |
| 03/28/2007 | EP1766179A1 Enlarging and stabilising tool for a borehole |
| 03/28/2007 | CN2883649Y Composite gear rim structure for rock roller bit |
| 03/28/2007 | CN2883648Y Drill for drilling, pumping large flowing concrete and jetting slurry forming pile |
| 03/28/2007 | CN1938497A Drilling apparatus, method, and system |
| 03/28/2007 | CN1307361C Drill bit |
| 03/27/2007 | US7195086 Anti-tracking earth boring bit with selected varied pitch for overbreak optimization and vibration reduction |
| 03/27/2007 | US7195085 Drill bit |
| 03/27/2007 | US7195080 Expandable drilling tool and method |
| 03/27/2007 | US7195078 Multiple inserts of different geometry in a single row of a bit |
| 03/27/2007 | CA2447747C Cutting element having enhanced cutting geometry |
| 03/22/2007 | US20070067147 Simulating the Dynamic Response of a Drilling Tool Assembly and Its Application to Drilling Tool Assembly Design Optimization and Drilling Performance Optimization |
| 03/22/2007 | US20070062737 A Cutting Element with a Non-shear Stress Relieving Substrate Interface |
| 03/22/2007 | US20070062736 Hybrid disc bit with optimized PDC cutter placement |
| 03/21/2007 | EP1625276B1 Drill bit and system for drilling a borehole |
| 03/21/2007 | EP1409836B1 Metal-face-seal rock bit and lubricant passage for a rock bit |
| 03/21/2007 | CN2881059Y Impact resistant polycrystal diamond composite sheet |
| 03/21/2007 | CN2881058Y Reversed scratching hold diameter maintaining reamer |
| 03/20/2007 | US7192178 Extrusion auger with removable auger segments and removal tool |
| 03/20/2007 | US7192094 Auger flight support system |
| 03/20/2007 | US7191853 Hole cleaning and/or forming tool |
| 03/20/2007 | US7191835 Disengagable burr mill |
| 03/15/2007 | WO2007030049A1 A one-piece drill bit for single-pass anchor bolting and single pass drilling apparatus |
| 03/15/2007 | WO2007030048A1 A one-piece drill bit for single-pass anchor bolting and single pass drilling apparatus |
| 03/15/2007 | WO2007030047A1 A one-piece drill bit for single-pass anchor bolting and single pass drilling apparatus |
| 03/15/2007 | US20070056778 Sintered polycrystalline diamond material with extremely fine microstructures |
| 03/15/2007 | US20070056777 Composite materials including nickel-based matrix materials and hard particles, tools including such materials, and methods of using such materials |
| 03/15/2007 | US20070056776 Abrasive wear-resistant materials, drill bits and drilling tools including abrasive wear-resistant materials, methods for applying abrasive wear-resistant materials to drill bits and drilling tools, and methods for securing cutting elements to a drill bit |
| 03/15/2007 | US20070056774 Apparatus and methods for drilling a wellbore using casing |
| 03/15/2007 | CA2620473A1 A one-piece drill bit for single-pass anchor bolting and single pass drilling apparatus |
| 03/14/2007 | EP1614852B1 Hole opener |
| 03/14/2007 | CN1930362A Single pass drilling apparatus, use a one-piece drill bit, method and rock bolt for single pass rock bolting |
| 03/14/2007 | CN1928262A Trench wall cutting structure |
| 03/14/2007 | CN1304720C High strength antiwear drilling bit of multiple rollers |
| 03/14/2007 | CN1304719C Drill bit |
| 03/14/2007 | CN1304699C Self-drilling rockbolt |
| 03/13/2007 | US7188692 Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped |
| 03/13/2007 | US7188691 Metal seal with impact-absorbing ring |
| 03/13/2007 | US7188690 Drilling device and method for producing undercut holes |
| 03/13/2007 | US7188682 Multi-stage diffuser nozzle |
| 03/13/2007 | US7188672 Well string assembly |
| 03/13/2007 | CA2254044C Sealed bearing drill bit with dual-seal configuration and fluid cleaning capability |
| 03/08/2007 | US20070054101 Composite material for drilling applications |
| 03/08/2007 | US20070051355 Brazed diamond tools and methods for making the same |
| 03/08/2007 | US20070051354 Brazed diamond tools and methods for making the same |
| 03/07/2007 | EP1760165A2 Polycrystalline Diamond Composite Construction Comprising Thermally Stable Diamond Volume |
| 03/07/2007 | EP1759379A2 Horizontal perspective display |
| 03/07/2007 | EP1581662B1 Process of production of composite material |
| 03/07/2007 | EP1276954B1 Expandable bit |
| 03/07/2007 | CN2876308Y Bimetal hard alloy knife blade |
| 03/07/2007 | CN2876307Y Sliding length adjustable stepless reducing coal layer drill |
| 03/07/2007 | CN2876306Y Knife wing type PDC drill |
| 03/07/2007 | CN2876182Y Bottom expanding equipment |
| 03/07/2007 | CN1924283A Wide edge variable base hard alloy metal sheet for alloy drill bit |
| 03/06/2007 | US7185721 Male portion, drill bit and threaded joint for percussive rock drilling |
| 03/06/2007 | US7185717 Drill bit assembly |
| 03/01/2007 | WO2007024171A1 Rotary cutting pick and method of using a cutting pick for mining |
| 03/01/2007 | US20070045009 Improved drill bit |
| 03/01/2007 | US20070045008 Magnetic face seal for rock drill bit bearings |
| 03/01/2007 | US20070044347 Method for making a trench wall in the ground, trench wall cutter, and trench wall cutting device |
| 03/01/2007 | DE202006019529U1 Halterung mit integrierter Bohrfunktion, insbesondere für einen Sonnenschirm Mounting with integrated drilling function, especially for an umbrella |
| 02/28/2007 | EP1757769A1 Percussion drill bit |
| 02/28/2007 | CN1922382A Polycrystalline diamond abrasive elements |
| 02/27/2007 | US7182162 Shirttails for reducing damaging effects of cuttings |
| 02/27/2007 | US7182157 Enlarging well bores having tubing therein |
| 02/27/2007 | US7182156 System for overburden drilling |
| 02/27/2007 | US7182154 Directional borehole drilling system and method |
| 02/25/2007 | CA2556795A1 A drill bit |
| 02/22/2007 | WO2007022185A2 Low projection inserts for rock bits |
| 02/22/2007 | WO2007021978A1 Latchable reaming bit |
| 02/22/2007 | US20070039762 Cutting tool insert |
| 02/22/2007 | US20070039761 Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole |