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David R. Hall
PROVO, UT US
1. 20090273225 Resilient Pick Shank - In one aspect of the invention, a pick assembly comprises a pick shank press fitted within a bore of a pick holder 11-05-20092. 20090273224 Layered polycrystalline diamond - In one aspect of the present invention a high impact wear resistant tool has a superhard material bonded to a cemented 11-05-2009
3. 20090267790 Changing Communication Priorities for Downhole LWD/MWD Applications 10-29-2009
4. 20090267403 Resilient Pick Shank - In one aspect of the invention, a pick assembly comprises a pick shank press fitted within a bore of a pick holder 10-29-2009
5. 20090266609 Downhole sample rate system - In one aspect of the invention a downhole sensor system comprises at least one downhole sensor disposed on or within a 10-29-2009
6. 20090263308 Dense Diamond Body - In one aspect of the invention a method of making a dense diamond body comprises the steps of: forming a sintered polycrystalline 10-22-2009
7. 20090260894 Jack Element for a Drill Bit - In one aspect of the present invention a drill bit has an axis of rotation and a working face with a plurality of blades 10-22-2009
8. 20090260369 System for reducing Oxygen - system for reducing oxidation comprises a centralized nitrogen source within a building and a room connected by a tubular 10-22-2009
9. 20090255733 Lead the Bit Rotary Steerable System - In one aspect of the invention a tool string steerable system has a drill bit body with a working face 10-15-2009
10. 20090236274 Agitator in a Sewer System - In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream 09-24-2009
11. 20090236148 Flow Guide Actuation - In one aspect of the present invention, a downhole drill string assembly comprises a bore there through to receive drilling fluid 09-24-2009
12. 20090229883 Flow Guide Actuation - In one aspect of the present invention, a downhole drill string assembly comprises a bore there through to receive drilling fluid 09-17-2009
13. 20090218264 Sewer System - In one aspect of the present invention a system for the transportation of liquid and solid waste incorporated into a floor of a building 09-03-2009
14. 20090217448 Human Waste System - In one aspect of the present invention a system for the transportation of liquid and solid waste incorporated into a floor of a 09-03-2009
15. 20090212970 Wired Tool String Component - system is disclosed as having first and second tubular tool string components 08-27-2009
16. 20090200857 Manually Rotatable Tool - In one aspect of the present invention, a tool assembly comprises a rotary portion and a stationary portion 08-13-2009
17. 20090200855 Manually Rotatable Tool - In one aspect of the present invention, a tool assembly comprises a rotary portion and a stationary portion 08-13-2009
18. 20090188663 Downhole Removable Cage with Circumferentially Disposed Instruments 07-30-2009
19. 20090183920 Downhole Percussive Tool with Alternating Pressure Differentials 07-23-2009
20. 20090183631 Water Extraction Apparatus - In one aspect of the present invention an apparatus for the extraction of water from air incorporated into a wall of a 07-23-2009
21. 20090160448 Induction Resistivity Cover - downhole induction resistivity assembly that comprises a downhole tool string component 06-25-2009
22. 20090160447 Independently Excitable Resistivity Units 06-25-2009
23. 20090160446 Resistivity Receiver Spacing - downhole induction resistivity assembly that comprises a downhole tool string component 06-25-2009
24. 20090160445 Resistivity Reference Receiver - downhole induction resistivity assembly that comprises a downhole tool string component 06-25-2009
25. 20090160238 Retention for Holder Shank - In one aspect of the present invention a degradation assembly has a holder comprising a first end and a second end and a 06-25-2009
26. 20090158897 Jack Element with a Stop-off - In one aspect of the present invention a drill bit has a body intermediate a shank and a working face 06-25-2009
27. 20090152011 Downhole Drive Shaft Connection - In one aspect of the present invention a section of a drill string has a drill bit with a body intermediate a shank 06-18-2009
28. 20090151932 Intelligent Electrical Power Distribution System 06-18-2009
29. 20090151926 Inductive Power Coupler - In one aspect of the present invention a downhole tool string component has a tubular body with at least one end adapted for 06-18-2009
30. 20090146489 Retention System - retention assembly, comprises a carbide bolster comprising a cavity formed in its base end 06-11-2009
31. 20090139711 Tool String Threads - downhole tool string component comprises a tubular body with a first and second end 06-04-2009
32. 20090133938 Thermally Stable Pointed Diamond with Increased Impact Resistance 05-28-2009
33. 20090133936 Lead the Bit Rotary Steerable Tool - In one aspect of the present invention, a drilling assembly comprises a drill bit comprising a bit body 05-28-2009
34. 20090114195 Hybrid Vehicle - comprises a deceleration mechanism adapted to decelerate a wheel of the vehicle and adapted to drive an air compressor attached to the 05-07-2009
35. 20090108664 Tool Holder Sleeve - In one aspect of the present invention, a degradation assembly has a holder fitted within a block attached to a driving mechanism 04-30-2009
36. 20090066149 Pick with Carbide Cap - In one aspect of the present invention a high-impact resistant pick has a superhard material bonded to a cemented metal carbide 03-12-2009
37. 20090065251 Downhole Jack Assembly Sensor - In one aspect of the invention a drill string comprises a drill bit with a body intermediate a shank and a working face 03-12-2009
38. 20090058174 Attack Tool - In one aspect of the invention an attack tool is disclosed which has a wear-resistant base suitable for attachment to a driving mechanism 03-05-2009
39. 20090057016 Downhole Turbine - In one aspect of the present invention a drill bit has a jack element that is substantially coaxial with an axis of rotation of the 03-05-2009
40. 20090052987 Milling Drum - In one aspect of the invention a system for removing a layer of a paved surface comprising a vehicle is adapted to traverse a paved 02-26-2009
41. 20090052986 Nozzle for a Pavement Reconditioning Machine 02-26-2009
42. 20090051211 Thick Pointed Superhard Material - In one aspect of the invention a high impact resistant tool having a superhard bonded to a cemented metal carbide 02-26-2009
43. 20090050372 Downhole Turbine - In one aspect of the present invention a drill bit has a jack element that is substantially coaxial with an axis of rotation of the 02-26-2009
44. 20090041542 Metal Detector for a Milling Machine - milling machine for milling a paved surface having milling tools connected to an underside of a body of the 02-12-2009
45. 20090025982 Stabilizer Assembly - In one aspect of the present invention a stabilizer assembly on a downhole tool string component 01-29-2009
46. 20090025942 Borehole Liner - system for forming a liner downhole within a well bore has a rig comprising a tool string driving mechanism and an aperture proximate 01-29-2009
47. 20090016818 Metal Detector for an Asphalt Milling Machine 01-15-2009
48. 20090015056 Depth Detecting Assembly - In one aspect of the invention a milling machine for milling a paved surface comprises milling tools connected to an 01-15-2009
49. 20090012741 Location Device with a Gravity Measuring Device 01-08-2009
50. 20090008918 Expandable Vehicle Frame - vehicle having a frame with at least one frame member the frame member being adapted to support at least a portion of a 01-08-2009
51. 20090008173 Hydraulic Energy Storage with an Internal Element 01-08-2009
52. 20090008171 Energy Storage in an Elastic Vessel - In one aspect of the present invention an energy storage system has an elastic hydraulic fluid vessel with an 01-08-2009
53. 20090007980 Hydraulic Energy Storage with reinforced layer 01-08-2009
54. 20090007558 Energy Storage - system for performing work having a hydraulic circuit has a length of hose a hydraulic fluid in the circuit in communication with the 01-08-2009
55. 20090007554 Hydraulic Energy Storage with Reinforced Layer 01-08-2009
56. 20090000828 Roof Bolt Bit - In one aspect of the present invention a roof bolt drill bit for use in underground mines comprises a bit body with a shank adapted for 01-01-2009
57. 20080315667 Braze Thickness Control - In one aspect of the present invention a degradation assembly comprises an inverted conical face formed in a top end of a 12-25-2008
58. 20080314647 Rotary Drag Bit with Pointed Cutting Elements 12-25-2008
59. 20080314645 Stiffened Blade for Shear-type Drill Bit 12-25-2008
60. 20080309514 Data and/or PowerSwivel - In one aspect of the invention a swivel for use in a drilling operation comprises a body with a central bore adapted for 12-18-2008
61. 20080309149 Braze Thickness Control - In one aspect of the present invention a degradation assembly comprises an inverted conical face formed in a top end of a 12-18-2008
62. 20080309148 Degradation Assembly Shield - In one aspect of the present invention a degradation assembly comprises a shank with a forward end and a rearward end 12-18-2008
63. 20080309147 Shield of a Degradation Assembly - In one aspect of the present invention a degradation assembly comprises a shank with a forward end and a rearward end 12-18-2008
64. 20080309146 Degradation assembly shield - In one aspect of the present invention a degradation assembly comprises a shank with a forward end and a rearward end 12-18-2008
65. 20080302572 Drill Bit Porting System - In one aspect of the present invention a drill bit has a jack element with a distal end extending beyond a working face 12-11-2008
66. 20080296015 Clutch for a Jack Element - downhole tool string, comprising a tool string bore and a drill bit located at the bottom of the tool string 12-04-2008
67. 20080293328 O.D. Centerless Grinding Machine - In one aspect of the present invention an outer diameter centerless grinding machine for use in grinding a diamond 11-27-2008
68. 20080284236 Roller Assembly - In one aspect of the invention a roller assembly has an axle that supports opposing faces of a cylindrical body that has a plurality 11-20-2008
69. 20080284235 Spring Loaded Pick - In one aspect of the invention an apparatus for degrading natural and man-made formations includes a pick with an axially spring 11-20-2008
70. 20080284234 Pick with a Reentrant - In one aspect of the invention a pick adapted to degrade man-made or natural formations has a steel body comprising a shank 11-20-2008
71. 20080283256 Rolling Assembly and Pick Assembly Mounted on a Trencher 11-20-2008
72. 20080282584 Rolling Assembly Mounted on a Trencher - In one aspect of the invention a trenching machine for degrading natural and man-made formations 11-20-2008
73. 20080277506 Diamond Nozzle - In one aspect of the invention an abrasion resistant nozzle has at least two sintered diamond bodies having flat 11-13-2008
74. 20080267706 Nozzles Incorporated into a Milling Machine 10-30-2008
75. 20080264697 Retention for an Insert - In one aspect of the present invention, a tensioning element adapted to connect a first object to a second object 10-30-2008
76. 20080264624 Downhole Sensor Assembly - In one aspect of the invention a sensor assembly for incorporation into a downhole tool string comprises at least one sensor 10-30-2008
77. 20080258536 High-impact Resistant Tool - high impact resistant tool comprises a steel shank 10-23-2008
78. 20080250724 High Impact Shearing Element - high impact resistant tool having a sintered body of diamond or diamond-like particles in a metal matrix bonded to a 10-16-2008
79. 20080246329 Retention System - retention assembly has a carbide bolster with a first and second segment brazed together each segment forming at least part of a 10-09-2008
80. 20080241293 Radial Compression Element for a HTHP Cartridge 10-02-2008
81. 20080238181 Retention System - retention assembly, comprises a carbide bolster comprising a cavity formed in its base end 10-02-2008
82. 20080230277 Pocket for a Downhole Tool String Component 09-25-2008
83. 20080230218 Segmented Sleeve on a Downhole Tool String Component 09-25-2008
84. 20080223569 Centering assembly for an electric downhole connection 09-18-2008
85. 20080220664 Wiper for Tool String Direct Electrical Connection 09-11-2008
86. 20080217057 Method for taking seismic measurements - In one aspect of the present invention a method has steps for taking downhole measurements 09-11-2008
87. 20080211290 Tapered Bore in a Pick - In one aspect of the present invention a high impact resistant excavation pick having a super hard material is bonded to a 09-04-2008
88. 20080210798 Degradation insert with overhang - In one aspect of the invention, a cone crusher has at least one crushing surface disposed on either a cone and/or an 09-04-2008
89. 20080202765 Method of Manufacturing Downhole Tool String Components 08-28-2008
90. 20080202742 Open Cavity in a Pocket of a Downhole Tool String Component 08-28-2008
91. 20080197692 Locking fixture - In one aspect of the invention, a degradation assembly comprises an impact tip brazed to a carbide bolster 08-21-2008
92. 20080197691 Locking fixture for a degradation assembly 08-21-2008