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| Number | Title | Issue Date |
| 7325614 | Method for releasing stuck drill string A method for releasing a drill string stuck against a wall of a well bore due to pressure differential between the hydrostatic pressure of a fluid in the well bore and the pressure of a formation at the point where the drill string is stuck. The method includes inje... | 02/05/2008 |
| 7325615 | Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated methods Novel polycarboxylic acid copolymer gelling agents and viscosified treatment fluids comprising these gelling agents, and their associated methods of use and manufacture are provided. In one embodiment, a method comprising: providing a viscosified treatment fluid com... | 02/05/2008 |
| 7325616 | System and method for completing multiple well intervals A system and method for completing a well with multiple zones of production includes a casing having a plurality of flapper valves integrated therein for isolating each well zone and a perforating gun string for selectively perforating the casing and underlying form... | 02/05/2008 |
| 7325617 | Frac system without intervention A system allows for sequential treatment of sections of a zone. Access to each portion can be with a sliding sleeve that has a specific internal profile. Pump down plugs can be used that have a specific profile that will make a plug latch to a specific sleeve. Press... | 02/05/2008 |
| 7325618 | Tubing expansion tool The invention relates to a tubing expansion tool including an expansion member which is movable between a first configuration and a larger expansion configuration for expanding tubing, and to a corresponding method. In one embodiment of the invention, a tubin... | 02/05/2008 |
| 7325619 | Sucker rod guide installer A sucker rod guide installation device for installing a sucker rod guide on a sucker rod. The device having a rod positioner for positioning the sucker rod and guiding a portion of the sucker rod into the sucker rod guide. The sucker rod guide held in a holder, the ... | 02/05/2008 |
| 7325620 | Recoverable, reinforced and vibration-damping plug used for cased wells This invention refers to a recoverable, reinforced and vibration-damping plug for cased wells, said wells being for oil, water, gas or any other similar fluid; said plug may be used for conventional casing perforation, high penetration casing perforation and casing ... | 02/05/2008 |
| 7325621 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture An inflatable element utilizing a solid or particulate laden fluid as an expansion media. A fluid component of the solid or particulate laden fluid is exhausted from a defined area of the element to leave substantially only particulate matter therein to maintain the... | 02/05/2008 |
| 7325622 | Extinguishing-medium container and system of containers Extinguishing-medium container includes a tubular body (2) which can be coupled together with a first and a second end piece (5, 6), which second end piece (6) has at least one outlet duct (33) for ejection of extinguishing medium (26 | 02/05/2008 |
| 7325623 | Rolling spike harrow The spike wheels of the harrow are arranged in gangs to rotate about a common axis during ground engagement. Each wheel has a plurality of spikes that project outwardly from a cylindrical hub having a pair of opposite ends. Projections at one end of the hub are mati... | 02/05/2008 |
| 7325624 | Hammer drill having switching mechanism for switching operation modes A switching mechanism switches on and off transmission of a striking force to a working tool, and switches on and off transmission of a rotational force to the working tool, thereby switching operation modes among at least a rotation and strike mode, a strike only m... | 02/05/2008 |
| 7325625 | Floor covering removal and impact tool An impact tool particularly useful for floor removal material includes an elongated removable rod having an upper end and a lower end. A handle is connected to the upper end of the rod, and an anvil is fixed to the lower end of the rod. A collar is mounted above the... | 02/05/2008 |
| 7325627 | Air tool A center portion of a handle housing portion 3 is arranged with a pressure reducing valve mechanism portion 50 for reducing a pressure of high pressure compressed air to be surrounded by an exhaust chamber 40, in a state of making a trigger 3... | 02/05/2008 |
| 7325628 | Anchor for vehicle, vehicle and anchor in combination, and method of using the anchor A seabed anchor (20) is fixed to and deployable from an ROV (10) for positively anchoring the ROV (10) to the seabed (100). The seabed anchor (20) comprises three nested telescoping tubes (26, 28, & 30). The upper end... | 02/05/2008 |
| 7325629 | Method and system for processing oil and gas well cuttings utilizing existing slurry processing equipment A method for integrating a batch cement process with a cuttings reinjection process, the method comprising: equipping a batch cement skid with a particle classifier and a grinding pump, such that the batch cement skid sequentially implements the cuttings reinjection... | 02/05/2008 |
| 7325630 | Hole opener The invention relates to well reamer for borehole reaming within a specified interval. The well reamer has a housing with inclined slots, radial holes and a central straight-through channel, in which a spring-loaded rod with holes in the upper and lower parts is loc... | 02/05/2008 |
| 7325631 | Mill and pump-off sub A downhole mill includes a plurality of cutters extending generally radially from a center region to a gage diameter, wherein the plurality of cutters includes a first serrated cutter blade having a plurality of peaks and valleys along its length. The plurality of c... | 02/05/2008 |
| 7325632 | Nozzle bore for PDC bits An earth boring bit includes a bit body including plurality of PDC cutter elements and a fluid plenum connecting a fluid inlet to at least one fluid orifice. Furthermore, a ledge formed between a bottom of the fluid plenum and the at least one fluid orifice includes... | 02/05/2008 |
| 7325633 | Rock drill bit and a thread joint therefor A drill bit intended for percussive rock drilling is formed to reduce the occurrence of cavitation during percussive drilling. The drill bit includes an integral skirt and at least one channel for transport of flush medium, such as water. The drill bit has a front f... | 02/05/2008 |
| 7325634 | Track-mounted drilling machine with active suspension system A drilling machine includes a frame, two tracks, and a plurality of yokes interconnecting the frame and the tracks. Each yoke is pivotable with respect to the frame by the extension and retraction of a hydraulic cylinder. Each of a plurality of sensors senses a para... | 02/05/2008 |
| 7325635 | Tractor The present invention aims at a tractor which can easily perform an assembling operation and a maintenance operation of a PTO transmission mechanism. According to the present invention, a PTO casing which incorporates a PTO transmission mechanism therein is detachab... | 02/05/2008 |
| 7325636 | Front-wheel drive steering compensation method and system A method of controlling the speed of a right front wheel and a left front wheel on a work machine includes receiving a speed command based at least partially on an operator input and monitoring at least one wheel steering angle of at least one front wheel. A first f... | 02/05/2008 |
| 7325637 | Hybrid drive device A hybrid drive device comprises an internal combustion engine and an energy converter adapted to co-operate with an output shaft of the internal combustion engine and which comprises an electric machine. The electric machine includes a first rotor connected to the o... | 02/05/2008 |
| 7325638 | Motor vehicle with a primary engine for acceleration and secondary engine augmented by an electric motor for cruising A motor vehicle having a primary internal combustion engine is equipped with a secondary engine and an electric motor to supplement the power produced by the primary engine. The primary engine provides power for acceleration and hill climbing. When in a cruising mod... | 02/05/2008 |
| 7325639 | Fender structure for motorcycle A fender assembly is divided into an upper fender and a lower fender with a air guide port being formed in the upper fender wherein the entry of muddy water splashed up in a tangential line direction by a front wheel into the air guide port is prevented and the size... | 02/05/2008 |
| 7325640 | Power transmission system for four-wheel drive vehicle A power transmission system for a four-wheel drive vehicle comprises a power transmission mechanism provided in a vehicle arranged such that power is always transmitted to one of two pairs of wheels consisting of a pair of front wheels and a pair of rear wheels, to ... | 02/05/2008 |
| 7325641 | Method for actuating a reversible belt pretensioner Method for actuating a reversible belt pretensioner for pretensioning a belt webbing, unwound from a belt reel, of a seat belt in a motor vehicle, the belt pretensioner having a drive which acts on the belt reel, and the seat belt having, as a belt extraction lock, ... | 02/05/2008 |
| 7325642 | Motor vehicle fender having a breakable zone The disclosure concerns a motor vehicle fender made of plastics material having a skin separating the inside and the outside of the fender, wherein the skin possesses a breakable zone suitable for opening when subjected to thrust from the inside towards the outside ... | 02/05/2008 |
| 7325643 | Reduction gear device There is provided a reduction gear device applied to a vehicle having a motor unit with a motor shaft for outputting a driving force for driving a driving wheel. The reduction gear device includes an input shaft operatively connected to said motor shaft; a reduction... | 02/05/2008 |
| 7325644 | Steering control device A steering control device (200) is provided with a end-of-movement reaction force generation unit (an end reaction force control portion (20)). An end reaction force generating current i2 which act as return a handle toward a straight-ahead ... | 02/05/2008 |
| 7325645 | Power steering device A first fluid passage extends from a first outlet/inlet port of a hydraulic pump to a first work chamber of a power cylinder, and a second fluid passage extends from a second outlet/inlet port of the pump to a second work chamber of the power cylinder. A switch syst... | 02/05/2008 |
| 7325646 | Electric power steering apparatus In an electric power steering apparatus, at least one of a speed reduction gear ratio of the speed reduction gear mechanism and the number of pole pairs of a motor resolver is set in such a manner that a calculated value, which is obtained by multiplying the speed r... | 02/05/2008 |
| 7325647 | Mobile system for seismic emission with fixed coupling devices, and method therefor Seismic emission system for use in an underground formation, using at least one seismic source movable successively in a plurality of prepared activation locations and method for implementing same. The system comprises for example a plurality of coupling devi... | 02/05/2008 |
| 7325648 | Frame for speaker device and speaker device A frame for a speaker device has an annular outer peripheral portion. The outer peripheral portion includes plural wall portions concentrically formed. An end surface of the wall portion on an inner circumferential side of the outer peripheral portion is formed at a... | 02/05/2008 |
| 7325649 | Loudspeaker with progressively damped acoustical chamber The present invention relates to a novel acoustical chamber for enclosed loudspeakers which help direct and control sound waves within the enclosure thereby enhancing sound output. The present invention utilizes a method of progressive damping which utilizes multipl... | 02/05/2008 |
| 7325650 | Speaker A speaker according to the present invention is equipped with a diaphragm having a central portion of a dome shape and an edge portion formed on an outer periphery thereof. Further, the speaker has also a frame attached with an outermost fringe of the edge portion a... | 02/05/2008 |
| 7325651 | Motorcycle exhaust system To provide a motorcycle exhaust system, which is less susceptible to the elevated temperature of the exhaust gases and vibrations induced by the motorcycle combustion engine (E) and in which the sectional area of the exhaust passage can be properly adjusted independ... | 02/05/2008 |
| 7325652 | Bumper/muffler assembly A bumper/muffler assembly is provided comprising a bumper; and a muffler having an outer shell. The outer shell may be formed from a non-high impact resistant material, such as a thin metal or a composite material. The muffler may comprise a separate element from th... | 02/05/2008 |
| 7325653 | Thermally compensated standpipe assembly for automatic transmission oil fill A standpipe assembly for installation in the fluid sump of a vehicular transmission includes a two-piece fill pipe, a drain nut, a drain plug and a thermal actuator. The fill pipe includes a first tube having a first end secured in a flow passage formed in the drain... | 02/05/2008 |
| 7325654 | List apparatuses and method A lift apparatus is disclosed. Particularly, a lift apparatus may comprise a support frame and a platform movably coupled to the support frame. Further, the platform may comprise at least one roller and a transmission connected to the at least one roller of the asse... | 02/05/2008 |
