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| Number | Title | Issue Date |
| 8182195 | Protective pillow A pillow for towing a vehicle is provided, the pillow comprising an inflatable bladder having a top, a bottom, and sides, a valve for inflating and deflating the bladder, and the bottom of the pillow having a wheel lift conforming attachment for conforming to a whee... | 05/22/2012 |
| 8020582 | Excess flow valve An excess flow valve having a housing, a valve seat, a poppet and an adjusting ring. The adjusting ring lies within a bore in the housing and there is an opening through the housing permitting access to the adjustment ring from outside the bore of the housing. Rotat... | 09/20/2011 |
| 8006222 | Release planning A method of software release planning. The method comprises the steps of assigning stakeholder priorities to a set of requirements for software; explicitly defining a set of constraints on the requirements; and operating on the stakeholder priorities with algorithms... | 08/23/2011 |
| 7986810 | Mesh based frame processing and applications A method of processing sequential frames of data comprises repeating the following steps for successive frames of data: acquiring at least a reference frame containing data points and a current frame of data points; identifying a set of anchor points in the referenc... | 07/26/2011 |
| 7947308 | Effervescent powders for inhalation Effervescent powders comprising inhalable particles are disclosed, as are methods for preparing these powders. The inhalable carrier particles comprise an inorganic or organic carbonate, and an acid, and exhibit effervescence when exposed to water or humid air. The ... | 05/24/2011 |
| 7852750 | Self-fault isolation in transparent P-cycle networks Span protection has advantages in speed, locality of action and simplicity but requires that the failed span be located in real time. Recent work proposed rapid fault-localization via monitoring cycles (m-cycles). Span-protecting structures (such as p-cycles) operat... | 12/14/2010 |
| 7834269 | Protection of electrical power transmission systems A method and apparatus for protecting electrical power transmissions systems that may or may not be energized. A protector and method for protecting a component of an electrical power transmission system. A dielectric cover is molded to fit around the component. The... | 11/16/2010 |
| 7823661 | In-drilling alignment To limit the growth of errors of an inertial navigation system for measurement-while-drilling, in-drilling alignment methods can be used. A pneumatics-based design of an apparatus for an in-drilling alignment method and its implementation downhole are described.... | 11/02/2010 |
| 7814968 | Gravity drainage apparatus A hydrocarbon production apparatus comprises an injection well, perforated casing, hydrocarbon viscosity reducing fluid injection tubing, a first wellbore restrictor, and a production well. The injection well is bored above the production well within a hydrocarbon r... | 10/19/2010 |
| 7721459 | Hot stick with measuring calipers There is a hot stick with measuring calipers. The hot stick has a hot stick stock and a hot stick driving bar. Movement of the hot stick driving bar controls the movement of fixed and movable jaw portions of internal and external caliper measurement jaws. In operati... | 05/25/2010 |
| 7616782 | Mesh based frame processing and applications A method of processing sequential frames of data comprises repeating the following steps for successive frames of data: acquiring at least a reference frame containing data points and a current frame of data points; identifying a set of anchor points in the referenc... | 11/10/2009 |
| 7612666 | Video based monitoring system A video-based monitoring system has a video recording device having a field of view, wherein plural zones are defined within the field of view of the video recording device, each zone having an algorithm corresponding to movement in that zone, and a processing unit ... | 11/03/2009 |
| 7572403 | Multisource and multimaterial freeform fabrication An apparatus for forming freeform solid articles includes a head unit having a plurality of arc-shaped support arms. The support arms mount material feeders and power sources which are directed at a work table. The material feeders, power sources and movement of the... | 08/11/2009 |
| 7431264 | Knife gate valve A valve for controlling the flow of materials is provided. The valve has a valve body having a bore, a guide attached to the valve body, a gate movable within the guide into and out of the bore, and an actuator for the gate, the bore of the valve body having a profi... | 10/07/2008 |
| 7405562 | Magnetic field imaging detection apparatus A detection apparatus for detecting the presence of a sample, the detection apparatus comprising a chamber, ports for introducing a sample within the chamber, an actuation unit for establishing a controllable electromagnetic field in the chamber; and a sensing unit ... | 07/29/2008 |
| 7363726 | Powder formation by atmospheric spray-freeze drying A method of manufacturing heat-sensitive pharmaceutical powder is disclosed. The original pharmaceutical substances are dissolved in a solution or suspended in a suspension, which is sprayed through an atomizing nozzle and frozen in a cold gas phase or liquid nitrog... | 04/29/2008 |
| 7192009 | Chain winch A chain winch comprising a slack adjustor arranged for attachment to a chain for securing loads. The chain winch has a winding shaft and cooperating slack adjustor mounted on a frame for continuous rotation of the winding shaft by the slack adjustor, and the winding... | 03/20/2007 |
| 7178351 | Heat exchanger optimization process and apparatus An electronic HEMD determines the optimum balance between gas cooling and heat exchanger pressure loss, for any given operating condition, and adjusts the gas flow rate through the exchanger accordingly, to yield the maximum net power savings (and thereby energy sav... | 02/20/2007 |
| 6951082 | Drilling rig with torque carrier A telescoping rig with an upper mast telescopingly received within a lower mast. A torque carrier is formed of an upper part suspended within the upper mast and a lower part attached to the lower mast. The lower part may be secured to the upper part when the rig is ... | 10/04/2005 |
| 6799051 | Identification system for mobile transceivers A method of identifying a target mobile transceiver in a communications network that includes multiple unknown mobile transceivers. In this aspect of the method, a location system interrogates the target mobile transceiver multiple times in an interrogation pattern ... | 09/28/2004 |
| 6789626 | Apparatus and method for cleaning debris from wells A system and method for restarting a downhole pump that has seized due to an accumulation of debris above the pump and around the pump intake. The system consists of a flexible annulus sealing element fitted on a joint of production tubing where the annulus seal can... | 09/14/2004 |
| 6776188 | Injector An injector injects fluids, such as hydrate inhibitors into a pipeline such as a natural gas pipeline. The injector is comprised of two motor valves with different force constants such that they open and close in a sequence that injects fluid into the pipeline. The ... | 08/17/2004 |
| 6772786 | Self-contained hydraulic ESD system A hydraulic control circuit, comprising a control line connected to a device to be controlled by fluid pressure in the control line; a time-out valve on the control line, the time-out valve having a time-out period during which time-out period operation of the time-... | 08/10/2004 |
| 6750467 | Vehicle mounted gas detector A mobile gas detector comprising a laser transmitter and signal analyser carried on a vehicle, the vehicle having an exterior, a laser absorption cell carried on the exterior of the vehicle, a light guide connecting light from the laser transmitter into the laser ab... | 06/15/2004 |
| 6707307 | Fluid sensor A sensor for measuring the dielectric constant of a fluid uses time of flight measurements. The sensor has a conduit for the fluid, preferably a transmission line. The dielectric constant of the fluid affects tranmission of electrical energy along the transmission l... | 03/16/2004 |
| 6684964 | Hammer drill A hammer drill with rolling contact at the contact surfaces for transmission of axial force between a drive shaft and hammer shaft. In the case of ball bearings, point contact is obtained. In the case of roller bearings, line contact is obtained. The area... | 02/03/2004 |
| 6634390 | Insulation cover A removable/reusable insulating cover includes an insulating material, a flexible and puncture resistant coating, a flap which is an extension of the coating and a hinge which is an integral part of the coating. The system provides a flexible yet durable ... | 10/21/2003 |
| 6629820 | Microfluidic flow control device A method of controlling fluid flow in a channel in a microfluidic flow control device by introducing fluid to the channel, with the fluid flowing in a flow direction and controllably deforming material defining the channel in a direction perpendicular to ... | 10/07/2003 |
| 6616383 | Sediment control barrier A sediment control barrier, comprising a ground contacting surface having a length suitable for controlling fluid flow across ground, barrier material extending perpendicularly from the ground contacting surface, means for securing the ground contacting s... | 09/09/2003 |
| 6615748 | Gasifier A method and portable apparatus is described for the conversion of cellulose and other blomass waste materials through a pyrolysis and partial combustion sequence in a downdraft gasifier to produce a gas which can be immediately utilized to fuel an intern... | 09/09/2003 |
| 6527050 | Method and apparatus for formation damage removal A method of removing formation damage through the controlled injection of fluids into the formation, followed by a controlled sudden release of pressure in the formation, an under-balanced surge, which causes fluid and damaging materials to flow back into... | 03/04/2003 |
| 6481655 | Rotor for a crushing machine A rotor for a crushing machine has a central block mounted on a shaft for rotation. The central block has tapered blade mounting faces circumferentially spaced about the central block. A blade is secured to each tapered blade mounting face. Each blade has... | 11/19/2002 |
| 6481082 | Portable continuous sucker rod manufacturing process Sucker rod is made at a well site by welding 40 foot lengths of straight round bar. The welded rod is then coiled on large radius coils at the well site. Round bar is prepared for welding by pencil pointing and then mig welded. The coils are large enough ... | 11/19/2002 |
| 6443183 | Valve and assembly for axially movable members The fluid flow check valve uses a flexure plate or plates to accommodate the valve disk's axial motion required to open and close the valve. The flexure plate also limits the disk's motion in any lateral direction, so the valve disk will align properly wi... | 09/03/2002 |
| 6435126 | River craft with outboard seat A river craft comprises a hull, such as a canoe hull, having a bow and a stem; and an outboard seat extending outward from one of the stem and the bow. The outboard seat preferably extends from the stem and faces forward, and is lower than the gunwhale of... | 08/20/2002 |
| 6421349 | Distributed preconfiguration of spare capacity in closed paths for network restoration A Method for restoring traffic in a network. The network includes plural distinct nodes interconnected by plural distinct spans, each span having working links and spare links. Each node has a digital cross-connect switch for making and breaking connectio... | 07/16/2002 |
| 6368014 | Ground working device A ground working device is formed from a sub-frame having a first side and a second side, plural discs mounted for rotation on the sub-frame between the first side and the second side about an axis that extends from the first side to the second side; and ... | 04/09/2002 |
| 6359645 | Pipe inspection device and method A method of inspecting a pipe, by pushing a video camera through the pipe on a cable, with a wire helical coil disposed between the video camera and a stop on the cable, the wire helical coil being long enough to permit passage of the video camera around ... | 03/19/2002 |
| 6296059 | Reverse circulating control valve A circulation control valve includes a top sub having a bore, a body connected to the top sub and having a first fluid passageway and a second fluid passageway parallel to the first fluid passageway, the bore communicating with both the first fluid passag... | 10/02/2001 |
| 6283224 | Retractable ground working device A ground working device formed of a frame having a lower surface, and plural individually retractable teeth secured to the frame and extending away from the surface in a ground contacting array. Teeth for the ground working device are formed as part of a ... | 09/04/2001 |
