Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7311146 | Subterranean treatment fluids, friction reducing copolymers, and associated methods Methods of treating a portion of a subterranean formation, comprising: providing an aqueous treatment fluid comprising water, and a friction reducing copolymer that comprises acrylamide and an acrylic acid ester; and introducing the aqueous treatment fluid into the ... | 12/25/2007 |
| 7311147 | Methods of improving well bore pressure containment integrity Methods of improving the pressure containment integrity of subterranean well bores are provided. The methods include pumping a fracture sealing composition into the well bore that rapidly converts into a high friction pressure sealing composition which is impermeabl... | 12/25/2007 |
| 7311148 | Methods and apparatus for wellbore construction and completion The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow pat... | 12/25/2007 |
| 7311149 | Jar with adjustable preload A jar provided with an adjustable preload has a housing defining an anvil surface and a mandrel, movable relative to the housing under an applied load, defining a hammer surface to impact the anvil surface. A trigger mechanism for releasing the mandrel to cause the ... | 12/25/2007 |
| 7311150 | Method and system for cleaning a well bore A method for extracting accumulated material from a well bore includes pressurizing gas recovered from the well bore and disposing an extraction string in communication with a sump. The sump is disposed to receive liquid from the well bore. The method further includ... | 12/25/2007 |
| 7311151 | Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons A flowline is described for producing hydrocarbons from a subsea well that is comprised of a substantially neutrally buoyant tubular composite umbilical. The flowline may possess electrical heating apparatus within the tubular walls of the tubular composite umbilica... | 12/25/2007 |
| 7311152 | Gas operated pump for hydrocarbon wells The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump includes two or more chambers for the accumulation of formation fluids an... | 12/25/2007 |
| 7311153 | Flow-biased sequencing valve A technique that is usable with a well includes providing a sequencing valve to in a first state to communicate a first flow through a first port of the valve and in a second state close fluid communication through the first port. The technique includes communicatin... | 12/25/2007 |
| 7311154 | Line slack compensator A completion assembly has one or more control lines. The control lines can develop differing degrees of slack depending on the completion assembly configuration and also on the particular use of the completion assembly. A line slack compensator cooperates with the c... | 12/25/2007 |
| 7311155 | Pneumatic tool with direction switch operable with single hand A pneumatic tool is operable with a single hand. The pneumatic tool includes a shell defining a first chamber and a second chamber. The second chamber includes intake and outlet apertures in communication with the first chamber. A cylinder is in the first chamber. A... | 12/25/2007 |
| 7311156 | Forward driving system for use in drilling masonry structures A method of drilling through a masonry structure 20 includes the steps of providing a drill 10 and using the drill 10 to drill a bore 18 in the masonry structure 20. The method also includes a step of providing a reaction member in... | 12/25/2007 |
| 7311157 | Tool for controlling rotation of a bottom hole assembly with respect to a drillstring A tool for controlling rotation of a bottom hole assembly with respect to a drillstring has a mandrell with a longitudinal groove and a circumferential groove extending therearound and in communication with the longitudinal groove, a locking element extending around... | 12/25/2007 |
| 7311158 | Silicate-containing additives for well bore treatments and associated methods The present invention relates to methods and compositions for use in subterranean operations. More particularly, the present invention relates to additives comprising one or more silicates used to treat tar resident in a well bore, and methods of use. In one embodim... | 12/25/2007 |
| 7311159 | PCD face seal for earth-boring bit An earth-boring bit has a mechanical face seal assembly with PCD faces. The bit has a bearing shaft with a cone rotatably mounted on the bearing shaft. The seal locates between the bearing shaft and the cone for sealing lubricant therein. The seal includes at least ... | 12/25/2007 |
| 7311160 | Wheelchair with forced driven front caterpillar wheels The present invention relates to a wheelchair with forced driven front caterpillar wheels with a cable-hauling ratchet lever by which a user, by himself/herself, can pass over a road-block or drains on roads, lifts up the caterpillars from the ground for easy steeri... | 12/25/2007 |
| 7311161 | Hospital bed having a drive wheel unit A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a manner that actuation of the motor unit results in rotation of the drive... | 12/25/2007 |
| 7311162 | Apparatus and method for traversing compound curved and other surfaces A traction unit capable of traversing and turning on surfaces that include compound curves like the surface of a sphere or are inverted like a ceiling. The traction unit includes a plurality of trucks operable to propel the unit across a surface and a plurality of a... | 12/25/2007 |
| 7311163 | Regeneration and brake management system A regeneration and brake management system includes a prime mover, an energy storage device associated with the prime mover, and a regenerative braking system including a controller and at least one friction brake, wherein the regenerative braking system is configur... | 12/25/2007 |
| 7311164 | Illuminated scooter An illuminated scooter includes a platform having a pivotal, length-adjustable handlebar at a front end and a wheel at a back end. Mounted on the upper surface of the platform adjacent the wheel is a generator including a drive shaft with a roller at a distal end th... | 12/25/2007 |
| 7311165 | Snowmobile ski A snowmobile ski with a pair of outboard keels and laterally projecting, upwardly slanting, lateral wings attached proximate the outboard keels is disclosed. A ski of this structure has improved flotation and resistance to side slippage in turns. ... | 12/25/2007 |
| 7311166 | Snowmobile ski This invention relates to an improved snowmobile ski having a vertical fin on the topside of the ski with a surface area large enough to minimize or prevent sideways slippage of the ski during a turn. The fin, if a single fin is used, is located adjacent the outboar... | 12/25/2007 |
| 7311167 | Swingable vehicle A left drive shaft and a right drive shaft each include an inside constant velocity joint and an outside constant velocity joint with a ball spline mechanism provided between the inside constant velocity joint and the outside constant velocity joint for enabling the... | 12/25/2007 |
| 7311168 | Rear wheel support structure of motorcycle or three-wheeled vehicle In a rear wheel support structure for a motorcycle or a three-wheeled vehicle in which a proximal end portion of a swing arm is vertically tiltably supported on a vehicle body frame by way of a tilting support shaft, a rear wheel is rotatably supported on the swing ... | 12/25/2007 |
| 7311169 | Door system for automotive vehicle A door system for an automotive vehicle includes an impact-responsive catcher pin which may be operated by a supplemental restraint system having side impact sensing capability so that the impact-responsive catcher pin may be directed to deploy from a housing mounte... | 12/25/2007 |
| 7311170 | All terrain vehicle An all terrain vehicle is capable of preventing the temperature of air supplied to an engine and the temperature of a battery from being excessively increased and has a large minimum ground clearance. An object-mountable supporting box is bridged between left and ri... | 12/25/2007 |
| 7311171 | Vehicular suspension installation structure To enhance productivity by further enhancing the ease of assembly in a main assembly line in a suspension installation structure for a vehicle. Cantilever frames (that is, first inclined frames and lower main frames) that protrude toward the front of a vehicle (or t... | 12/25/2007 |
| 7311172 | Straddle carrier with power steering A steering system for a straddle carrier includes two side supports with steerable wheels, braces, a hoisting gear, an an upper frame. An operator's cab having a steering wheel is disposed at the upper frame. A servo motor with an inverter is mounted in operative co... | 12/25/2007 |
| 7311173 | Reaction control system for obtaining preferable steering feeling A reaction control system controls a reactive force to be applied to an operating device operated by a driver of a vehicle. The system includes a device for measuring a steering speed of steering of the operating device; a device for measuring a steering torque appl... | 12/25/2007 |
| 7311174 | Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker In a diaphragm for a loud-speaker of the present invention, an increase in tensile strength is averagely attained as a whole, and the over all diaphragm is uniformly colored without showing any lattice pattern. The diaphragm includes a woven fabric comprising yarns ... | 12/25/2007 |
| 7311175 | Acoustic liner with bypass cooling An acoustic liner 20 includes a remote panel 26, a proximate panel 28 transversely spaced from the remote panel and a resonator chamber 34b residing between the panels. Perforations 38 penetrate the proximate panel in regist... | 12/25/2007 |
| 7311176 | Ladder retaining assembly A ladder retaining assembly for securing a ladder or multiple ladders to a vehicle rack, the assembly includes a rail formed as a channel to receive a ladder or multiple ladders, a sleeve attached to the rail that can be easily attached and removed from a vehicle ra... | 12/25/2007 |
| 7311177 | Step stool, hinge and method A folding step stool includes a hinge mechanism. The step stool includes a first section connected to the hinge mechanism. The first section having a bottom step. The step stool includes a second section connected to the hinge mechanism. The step stool includes a th... | 12/25/2007 |
| 7311178 | Work piece support hinge assembly A work piece support assembly can be assembled in either an operating configuration or in a flattened coplanar configuration for storage. The support assembly includes a pair of leg assemblies, one each for the proximal and distal end portions of an elongated rail s... | 12/25/2007 |
| 7311179 | Elevator dampening system A dampening device for use with elevator cars or similar devices prevents damage to objects or persons within the elevator car upon failure of a drive chain. A hydraulic motor regulates the rate of descent. The dampening motor is monitored constantly using a pressur... | 12/25/2007 |
| 7311180 | Disk brake An electromechanically actuatable self-boosting disk brake in which a friction brake lining is guided displaceably with a guide whose angle to the brake disk is adjustable via an electric motor to attain brake reinforcement. The angle of the guide is adjusted indepe... | 12/25/2007 |
| 7311181 | Bearing for a shock absorber element of a motor vehicle A bearing for a shock absorber element of a motor vehicle via an elastomer element on a vehicle body is provided, whereby the bearing consists of a cover and a bearing plate to be mounted on the vehicle. The elastomer element is accommodated in a recess in the beari... | 12/25/2007 |
| 7311182 | Sealing and guiding packet To make a sealing and guiding packet available to shock dampers in order to minimize or even entirely prevent the negative effects of the so-called stick-slip effect and thus permit greater riding comfort, a sealing and guiding packet is proposed which comprises the... | 12/25/2007 |
| 7311183 | Adjustable clutch brake and method of use thereof A clutch brake device comprising two concentric ring-shaped plate sections, threadably and adjustably secured together via four screws. The screws pass through the periphery of the exterior plate and extend into depressions on the interior plate. The interior plate ... | 12/25/2007 |
| 7311184 | Clutch/brake assembly with electrical generation system A clutch assembly includes a rotatable input shaft, a clutch housing fixed relative to the input shaft, an input disk coupled to with the input shaft and rotatable therewith, and an output disk axially movable relative to the clutch housing to selectively engage the... | 12/25/2007 |
| 7311185 | Method for thermal management for a controllable viscous fan drive The present invention provides a method of controlling thermal energy within a fan drive. The fan drive includes an input member rotating at an input speed, and an output member attached to the fan and rotating at a fan speed, with a viscous fluid disposed therebetw... | 12/25/2007 |
