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Patent # Description
US-7,987,945 Method for regulating the traction in a line of a ladder climbing assistance device and ladder climbing...
A method for regulating the traction in a line (13) of a ladder climbing assistance device, in which method any movement of the line (13) is sensed and in...
US-7,987,944 Firearm sound suppressor baffle
A baffle configured for use in a firearm sound suppressor is disposed along a longitudinal axis that defines a path of travel for a projectile moving from a...
US-7,987,943 Apparatus and method for generating a seismic source signal
A seismic source signal generator includes a mass, a primary accumulator and a secondary accumulator, the secondary accumulator having an internal volume...
US-7,987,942 Upper frame for excavator
An upper frame for an excavator is provided to smoothly transmit the load and shock which is transmitted through a mounting portion of a working device during...
US-7,987,941 Construction vehicle with controller for suppressing reduction of traction force under low speed traveling...
A construction vehicle includes an engine, a hydraulic pump driven by the engine, a travel hydraulic motor driven by pressure oil discharged from the hydraulic...
US-7,987,940 Hydraulic accumulator and fire suppression system
A hydraulic pressure accumulator has an interior chamber containing a fire-suppressing gas such as nitrogen. The fire-suppressing gas in the accumulator is...
US-7,987,939 Hood system with multiple open positions
A hood system with a plurality of hood hinges is disclosed. The hood hinges associated with the hood system include a hole configured to receive a removable...
US-7,987,938 Cooling device for motorcycle engine
To enable the close arrangement of right and left cooling fans that are common to each other and rotate in the same direction. A radiator is disposed forward of...
US-7,987,937 Systems and methods for assembling a front end module to a vehicle
The present disclosure provides a Front End Module (FEM) assembly and associated assembly method with a rail system to enable efficient assembly, tighter...
US-7,987,936 Air guide plate
To prevent an engine from being thermally affected by the air that has passed a radiator. A engine and a radiator for cooling the engine are attached to the...
US-7,987,935 Power output apparatus and vehicle equipped with the same, and method for controlling power output apparatus
When an exhaust gas switching valve is in a closed state, a target rotation speed Ne* and a target torque Te* are set in the same way as when the exhaust gas...
US-7,987,934 Method for controlling engine speed in a hybrid electric vehicle
A method for controlling operation of a hybrid powertrain is proposed, the hybrid powertrain comprising an internal combustion engine, an electric energy...
US-7,987,933 Motorized stroller apparatus
The motorized stroller apparatus features double wheels at all four corners for lesser rolling resistance over various surfaces. The front wheel sets are fully...
US-7,987,932 Heavy vehicle
A heavy vehicle, such as a transport vehicle or a "civil engineering" vehicle, of a mass greater than 500 metric tons, fitted with tires of radial structure of...
US-7,987,931 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting...
A rotary drill bit for drilling a subterranean formation may comprise a bit body, a cutting element coupled to the bit body, and a torque-generating assembly...
US-7,987,930 Drill bit assembly for fluid-operated percussion drill tools
The invention relates to a drill bit assembly for fluid-operated percussion drill tools comprising a percussion bit (1) having a head portion (3) formed with an...
US-7,987,929 Arrangement for processing dust
The invention relates to a method for processing dust when breaking rock, to a dust separator, and further to a rock-drilling rig. Rock material and air sucked...
US-7,987,928 Injection system and method comprising an impactor motive device
An excavation system for forming a wellbore through a subterranean formation, the system employing pressurized drilling fluid with impactors mixed therein. The...
US-7,987,927 Steering of bent housing mud motor downhole rotation device
A steerable drilling system includes a drill string carrying a bent housing, the bent housing containing or having associated therewith a drive motor arranged...
US-7,987,926 Tension/collar/reamer assemblies and methods
The present invention provides drilling assembles and methods that are especially useful for a bottom hole drilling assembly for drilling/reaming/or other...
US-7,987,925 Method and apparatus for collecting drill bit performance data
Drill bits and methods for sampling sensor data associated with the state of a drill bit are disclosed. A drill bit for drilling a subterranean formation...
US-7,987,924 Automatic control system for connecting a dual-member pipe
A system and method of making up and breaking out a dual-member drill string. The system comprises a spindle, a spindle carriage and a drive frame. The drive...
US-7,987,923 Valve tester suspension assembly
A valve tester suspension assembly for allowing one person to perform the tasks necessary to test underground valves includes an articulated arm attached to a...
US-7,987,922 Automatic gear shifting power tool
While a load torque applied to a tool shaft is lower than a predetermined value, a moving member is maintained at a first position, and a sun gear is rotated...
US-7,987,921 Hammer
A hammer comprising: a body; a tool holder mounted on the body for holding a cutting tool; a handle pivotally mounted on the body about an axis; a vibration...
US-7,987,920 Multi-mode drill with mode collar
A drill includes a housing and a motor coupled to an output member by a transmission. The transmission can selectively couple the output member to an output...
US-7,987,919 Discontinuous tightening wrench comprising means for measuring dynamic events caused by this tightening on the...
The invention relates to a discontinuous clamping wrench, of the type comprising a motor and a pulse clutch integrated in a casing, characterised in that it...
US-7,987,918 Electric hand-held power tool
An electric hand-held power tool has a housing, a double-shelled handle attached axially to the housing, a selector ring pivotably located in the housing, and...
US-7,987,917 Multistage crop roller
The multi-stage crop termination system includes a main frame assembly connected to first and second roller frames. A first roller is installed in the first...
US-7,987,916 Integrated controls for a fire suppression system
A fire suppression system having a plumbing assembly, an engine, a hose, an air-bleed valve, and a controller is provided. The controller includes a one-touch...
US-7,987,915 Circulating sub with mudsaver for dispensing and circulating fluid in a well bore
A circulator sub tool and fluid saver with a system and method for dispensing and circulating fluid in a well bore having a threaded packer sub with a quick...
US-7,987,914 Controlling actuation of tools in a wellbore with a phase change material
A technique is provided for actuating devices deployed in a wellbore. The technique utilizes an actuator that cooperates with a downhole device, such as a well...
US-7,987,913 Electrical submersible pump with equally loaded thrust bearings and method of pumping subterranean fluid
A rotary pump having thrust bearings includes a system for equalizing the loading on the thrust bearings. The thrust bearings are each supported on pistons that...
US-7,987,912 Reversible polymeric gelation for oilfield applications
A subterranean location accessed via a wellbore is treated with an oilfield fluid containing a viscosifying agent which is a polymer and a cross-linking agent...
US-7,987,911 Oil well perforators
An oil and gas well shaped charge perforator is provided comprising a housing, a high explosive, and a liner with a further insert liner where the high...
US-7,987,910 Methods for manipulation of the flow of fluids in subterranean formations
A method of treating a subterranean formation penetrated by a wellbore to mitigate the production of unwanted fluids from the wellbore is carried out by forming...
US-7,987,909 Apparatus and methods for allowing fluid flow inside at least one screen and outside a pipe disposed in a well bore
Apparatus for allowing fluid flow inside at least one screen and outside a span of pipe disposed in a well bore includes at least one flow path for fluid...
US-7,987,908 Well treatment using a progressive cavity pump
Embodiments of the present invention include methods and apparatus for treating a formation with fluid using a downhole progressive cavity pump ("PCP"). In one...
US-7,987,907 Hydrocarbon recovery process
Method for increasing the recovery of crude oil from a reservoir containing at least one porous and permeable subterranean formation wherein the formation...
US-7,987,906 Well bore tool
A gas insertion tool for cleaning a well bore is connected to the down hole end of a fluid supply tubing inserted through a positioning string within a well...
US-7,987,905 One trip cemented expandable monobore liner system and method
An apparatus to protect the mounting area of casing and a locating profile and optionally a sliding sleeve valve and a flow path is provided from the outside of...
US-7,987,904 Sealed well cellar
A well cellar system includes a substantially planar base plate, the base defining an aperture sized to receive a conductor pipe. The planar base plate is an...
US-7,987,903 Apparatus and method for containing oil from a deep water oil well
An apparatus and method for containing oil from a deep water (greater than 1,000 meters) oil well is disclosed herein. The apparatus has an anchor section, a...
US-7,987,901 Electrical control for a downhole system
A method for controlling the electrical power delivered to a downhole system. The downhole system may include a power supply, a downhole tool, and a wire or...
US-7,987,900 Heat exchanger with heat exchange chambers utilizing respective medium directing members
A heat exchange chamber includes an inlet, an outlet and a plurality of walls defining a chamber interior. The inlet receives a heat exchange medium flowing in...
US-7,987,899 Micro-structured cooler and use thereof
For providing a particularly efficient micro-structured cooler intended more specifically for cooling electronic components, it is proposed to proceed in the...
US-7,987,898 Heat dissipation device
A heat dissipation device includes a cooling fan (15) defining an air inlet and an air outlet (157) oriented perpendicular to the air inlet; a metal foam (11)...
US-7,987,897 Method for making castings by directed solidification from a selected point of melt toward casting periphery
The invention is related to the foundry practice. According to this invention, the method for making castings by directed solidification from a selected point...
US-7,987,896 Method for guiding a cast material out of a casting chamber of a casting system, and casting system for casting...
In a method for guiding a cast material out of a casting chamber of a casting system, the cast material is discharged from a casting chamber by means of a...
US-7,987,895 Method and apparatus for improved heat extraction from aluminum castings for directional solidification
Method and apparatus for improving the quality and mechanical properties of an aluminum alloy engine cylinder block or other large or complex castings by...
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