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| Number | Title | Issue Date |
| 7828392 | Metal detector for a milling machine A milling machine for milling a paved surface having milling tools connected to an underside of a body of the machine and at least one metal detector attached to a front end of the machine. The metal detector has at least one electrically conductive coil disposed wi... | 11/09/2010 |
| 7717521 | Metal detector for an asphalt milling machine A milling machine for milling a paved surface has milling tools connected to an underside of a body of the machine. At least one ferrous metal detector is attached to a front end of the machine. Electronic equipment is disposed within the machine and is in communica... | 05/18/2010 |
| 7712996 | Fogging system for an asphalt recycling machine In one aspect of the invention, an asphalt recycling machine has a passageway in communication with a fluid source secured to a motorized vehicle and a fogging nozzle. The fogging nozzle is connected to an underside of the motorized vehicle. The fogging nozzle is al... | 05/11/2010 |
| 7677036 | Hydraulic energy storage with an internal element In one aspect of the present invention, a system for performing work having a hydraulic circuit comprising a length of hose a hydraulic fluid in the circuit in communication with the hose, a hydraulic actuator for doing the work, at least one compressible element di... | 03/16/2010 |
| 7617877 | Method of manufacturing downhole tool string components A method for making a downhole electrical transmission system, having the steps of providing an electrically conductive assembly disposed within a first downhole tool string component, the assembly having a first end and being anchored to the first tool string compo... | 11/17/2009 |
| 7600586 | System for steering a drill string A downhole tool string component, having a first rotor secured within a bore of the component and connected to a gear assembly, the gear assembly being connected to a second rotor. The gear assembly has a gear ratio adapted to rotate the second rotor faster than the... | 10/13/2009 |
| 7600376 | Energy storage A system for performing work having a hydraulic circuit has a length of hose, a hydraulic fluid in the circuit in communication with the hose and with a hydraulic actuator for doing the work, and a mechanism for pressurizing the hydraulic circuit such that at least ... | 10/13/2009 |
| 7572134 | Centering assembly for an electric downhole connection A downhole tool string component having a tubular body having a bore with a central longitudinal axis. An electrical conductor assembly is disposed within the bore of the tubular component, the assembly having signal couplers at first and second ends adapted for a b... | 08/11/2009 |
| 7535377 | Wired tool string component A system is disclosed as having first and second tubular tool string components. Each component has a first end and a second end, and the first end of the first component is coupled to the second end of the second component through mating threads. First and second i... | 05/19/2009 |
| 7503606 | Lifting assembly In one aspect of the present invention, a lifting assembly has a frame structure with a translatable support element. The support element has a load-bearing surface and a screw-form. The screw-form is threadedly connected to a gear which is in mechanical communicati... | 03/17/2009 |
| 7497254 | Pocket for a downhole tool string component A downhole tool string component, having a tubular body with an outer diameter. A first, second, and third flange are disposed around the outer diameter of the tubular body at different axial locations. A first sleeve is disposed around the tubular body such that op... | 03/03/2009 |
| 7488194 | Downhole data and/or power transmission system An apparatus has a downhole tubular body having a bore with a central axis. An electrical conductor assembly is disposed within the bore of the tubular component, the assembly having a first end, a second end, a first conductor, and a second conductor electrically i... | 02/10/2009 |
| 7419224 | Sleeve in a degradation assembly In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder which is secured to a driving mechanism. A retainer sleeve is disposed around the... | 09/02/2008 |
| 7419018 | Cam assembly in a downhole component In one aspect of the invention, a downhole drill string component has a shaft being axially fixed at a first location to an inner surface of an opening in a tubular body. A mechanism is axially fixed to the inner surface of the opening at a second location and is in... | 09/02/2008 |
| 7413256 | Washer for a degradation assembly In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder secured to a driving mechanism. A washer is positioned in-between the attack tool... | 08/19/2008 |
| 7410221 | Retainer sleeve in a degradation assembly A degradation assembly has an attack tool with a body and a shank. The body has a wear resistant tip with a hardness of at least 60 HRc. The shank is disposed within a bore of a holder secured to a driving mechanism. A retainer sleeve is disposed around the shank of... | 08/12/2008 |
| 7382273 | Wired tool string component An apparatus is disclosed as having a downhole string component having first and second ends. The first end has first and second signal couplers, and the second end has third and fourth signal couplers. An electrical conductor is in electrical communication with the... | 06/03/2008 |
| 7338135 | Holder for a degradation assembly In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder secured to a driving mechanism. The bore of the holder comprises an inner surface... | 03/04/2008 |
