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| Number | Title | Issue Date |
| 7544437 | Fuel cell structure An improved fuel cell structure uses a first sheet of carbon fibres separated by an electrolyte from a second sheet of carbon fibres. A fuel cell catalyst is coated on the outside of the fibres and the fuel passed down one set of fibres and oxygen or air passed down... | 06/09/2009 |
| 7395855 | Radially moving slips Slips (1, 21, 41) for engaging any jointed, coiled or flexible tubular with substantially no scoring, gouging or scraping, such as when supporting a drill string in a borehole or gripping a tubular (2, 22) during the connection or disconnection of a to... | 07/08/2008 |
| 7322418 | Continuous circulation drilling method A method for drilling wells in which the tubular can be added or removed from the drill string whilst mud and drilling fluids being circulated continuously and kept separated from the environment to reduce pollution. A connector is used with an inlet and outlet for ... | 01/29/2008 |
| 7317871 | Heater for fluids comprising an electrically conductive porous monolith An electrical heater element of controlled resistivity which can be used for a wide range of applications is formed from an electrically conductive synthetic porous carbon monolith. ... | 01/08/2008 |
| 7252161 | Method and apparatus with slips assembly for coupling tubulars without interruption of circulation A slips assembly which comprises a plurality of slip segments which, when positioned adjacent to each other, form a collar, which collar is larger than the diameter of the tubular body of the tubular at the top of the drill string and smaller than the diameter the u... | 08/07/2007 |
| 7252151 | Drilling method Methods and apparati are disclosed for continuous circulation of drilling fluids while adding or removing tubulars to and from a drill string, and also for continuing drilling during the addition or removal of tubulars to and from the drill string. ... | 08/07/2007 |
| 7204619 | Battery operated sconces and chandeliers Battery operated sconces, battery operated chandeliers, battery operated candles and candles with unique shapes are disclosed. ... | 04/17/2007 |
| 7188683 | Drilling method A system and method is disclosed for continuously supplying drilling fluid down a bore hole while adding or removing tubulars. ... | 03/13/2007 |
| 7140453 | Pipe handling apparatus An apparatus for moving and handling tubulars has a stinger (21) slidably mounted on a frame which stinger comprises a rod or tube the end of which is adapted to fit within the pipe (20) to be moved, a gripping means (23) on the end of the sting... | 11/28/2006 |
| 6890319 | Apparatus for delivering a substance having one or more needles driven at high velocity An apparatus for delivering a substance to a surface, such as the skin of a human being, animal or other organic matter has a needle. Also provided is means for supplying the substance to the tip of the needle in use, and driving means for driving the needle, in use... | 05/10/2005 |
| 6842697 | Method for downhole logging A method and apparatus for measuring the properties such as permeability of the rock surrounding a borehole in which a directional seismic or sonic signal is generated downhole and propagated into the surrounding formation to generate an electrokinetic signal and th... | 01/11/2005 |
| 6803132 | Temperature stabilization of dielectric resonator A dielectric resonator having a first layer of alumina and a second layer of TiO2 is disclosed which has a superior combination of properties such as low dielectric loss, low temperature coefficient and high thermal conductivity. ... | 10/12/2004 |
| 6776684 | Fire crackler stick A launching device is disclosed which launches snap caps against a hard surface, such as a wall or ceiling, with sufficient force so as to “pop” the caps like tiny firecrackers. In one embodiment, the launcher simultaneously launches confetti into the air so as ... | 08/17/2004 |
| 6739397 | Continuous circulation drilling method Methods and apparati are disclosed for continuous circulation of drilling fluids while adding or removing tubulars to and from a drill string, and also for continuing drilling during the addition or removal of tubulars to and from the drill string. ... | 05/25/2004 |
| 6705222 | Dual registration control system A rotary printing machine is disclosed comprising a conveyor for conveying sheets of material from an upstream cylinder to a downstream conveyor in which the angular positions of both conveyors are sensed, as well as the linear position of each sheet, and the speed ... | 03/16/2004 |
| 6591916 | Drilling method Methods and apparati are disclosed for continuous circulation of drilling fluids while adding or removing tubulars to and from a drill string, and also for continuing drilling during the addition or removal of tubulars to and from the drill string.... | 07/15/2003 |
| 6564414 | Portable ramp with pad The Portable Ramp with Pad and Stabilizers makes it possible to turn your wheels right or left while your vehicle is on the ramps and get at work areas of your car or other vehicle that you may not get at easily with a conventional portable ramp. The Stab... | 05/20/2003 |
| 6439028 | Method and equipment for measuring vapor flux from surfaces A method and equipment for measuring vapor flux from a surface e.g. the rate of water loss from human skin which is useful in the evaluation of the efficiency of the skin/water barrier uses a closed cylinder which is placed with the open end against the s... | 08/27/2002 |
| 6418847 | Printing machine with plate thickness compensation A rotary printing machine is disclosed in which the timing of the sheet feeding is adjustable as a function of the thickness of the selected printing plate.... | 07/16/2002 |
| 6402582 | Mechanical balloon bursting systems Several systems for bursting amusement balloons are disclosed. The systems include a hinged lever carrying a puncturing element for bursting the balloon.... | 06/11/2002 |
| 6380534 | Distributed strain and temperature sensing system A method and apparatus for measuring the temperature and strain within a structure consists in having optical fibres incorporated in the structure, passing pulses of light down the fibre and detecting the backscattered light.... | 04/30/2002 |
| 6295688 | Toilet bowl cleaner A toilet bowl cleaner in the form of a reusable wand which may be mounted on a support when not in use. The support may include a reservoir for a disinfectant liquid. The lower end of the wand is a push fit into the core of a hollow cylindrical head of ab... | 10/02/2001 |
| 6241889 | Trickle tower filter apparatus and looped cord biomedia filter cartridge for use therein A looped cord biomedia filter cartridge is employed in a trickle tower filter to quickly and efficiently process wastewater. A base tank holds a volume of wastewater to be processed. The filter cartridge is mounted on top of the base tank and comprises a ... | 06/05/2001 |
| 5904465 | Stacker with discharge control A machine for conveying, discharging and stacking sheets such as carton blanks is disclosed in which the velocity of the blanks is substantially reduced as they are discharged from the conveyor into the stacking area.... | 05/18/1999 |
| 5868573 | Vehicle control simulator A computer simulator for vehicles such as racing cars in which there is a steering mechanism which has an elastomeric flexible coupling (10) between the steering wheel (1) and the computer control mechanism which controls the action of the simulated vehic... | 02/09/1999 |
| 5865358 | Breaker machine A machine for breaking portions of bundles of sheets of material is disclosed in which first and second sets of clamps secure first and second portions of a bundle on opposite sides of a break line and, while the first bundle portion is retained in a stat... | 02/02/1999 |
| 5782183 | Pressurized machine for processing blanks A machine is disclosed for printing and/or otherwise processing blanks of sheet material in which the interior of the machine is pressurized to a super-atmospheric pressure such that the blanks are forced firmly against the transfer conveyor between secti... | 07/21/1998 |
| 5697878 | Pin stripper A rotary pin stripper is disclosed for separating scrap pieces of paperboard from finish pieces after the pieces have been cut in a die cutter. In the preferred embodiment, the pin stripper cylinder is supported at mid-length, and the stripper cylinder is... | 12/16/1997 |
| 5651313 | Paperboard processing machine with vacuum transfer system A paperboard processing machine is disclosed for printing and otherwise processing sheets of paperboard, such as corrugated container blanks, and in which the sheets are conveyed from one section of the machine to another section by one or more vacuum tra... | 07/29/1997 |
| 5606913 | Sheet registration control A sheet processing apparatus, for example for flexographic printing and die-cutting of corrugated paperboard container blanks, has first and second successive processing sections connected by a transfer section. The sheets are successively passed through ... | 03/04/1997 |
| 5582569 | Shaft mounting and drive for carton blank processing machine A carton blank processing machine is disclosed having rolls for printing, cutting, creasing and otherwise processing carton blanks. The processing rolls are driven by shafts extending into bearings supported by spaced-apart frame members. At least one sha... | 12/10/1996 |
| 5509352 | Paperboard processing machine with vacuum transfer system A paperboard processing machine is disclosed for printing and otherwise processing sheets of paperboard, such as corrugated container blanks, and in which the sheets are conveyed from one section of the machine to another section by one or more vacuum tra... | 04/23/1996 |
| 5507680 | Confetti Amusement confetti is disclosed in which the individual pieces of confetti are of different aerodynamic shapes such that, when they fall through the air, some of the pieces of confetti flutter with their longitudinal axes extending substantially horizonta... | 04/16/1996 |
| 5503586 | Steering apparatus An extremely simple gear system is disclosed whereby a pair of output gears may be controlled so as to rotate in the same or opposite directions. The gear system is particularly useful as the steering system for a toy vehicle in which a reversible motor d... | 04/02/1996 |
| 5338246 | Suspension systems of vehicle toys Suspension systems (10; 42; 8) operate independently of each other on opposite sides of a vehicle toy. The systems have their road wheels move up and down substantially without any inclination of these wheels, and are simple in construction. Each suspensi... | 08/16/1994 |
