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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8035377 | Method for excluding magnetic objects from magnetic resonance imaging facility A method to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter the high-field region of an MRI suite. The device used comprises either a screening portal or a compact, hand-held magnetic gradi... | 10/11/2011 |
| 7479871 | Radio frequency warning system for ferromagnetic threats A ferromagnetic threat warning system utilizing two or more radio frequency transmitters or transceivers. A remote transmitter or transceiver is attached to each ferromagnetic threat that may enter the area to be protected. A master receiver or transceiver is mounte... | 01/20/2009 |
| 7341226 | Movable point frog switching assembly A lost motion apparatus for adapting a typical in-tie switch machine, designed for use with interconnected switch points, to be used as an in-tie machine for moving the movable V-point of a movable point frog assembly. ... | 03/11/2008 |
| 7315166 | Magnetic resonance imaging screening method and apparatus A method and apparatus to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter the high-field region of an MRI suite. The device comprises either a screening portal or a compact, hand-held magne... | 01/01/2008 |
| 7300023 | Machine for railway switching An in-tie machine for moving the movable elements of a switching device, such as the switch points of a switch point assembly or the moving V-point of a movable point frog, with a sliding device which selectively engages a control rod with either a fixed seat or a m... | 11/27/2007 |
| 7295107 | Ferromagnetic detection pillar A ferromagnetic detection pillar having one or more applied magnetic field sources and one or more magnetic field sensors, with the magnets and sensors arranged and adapted to detect a ferromagnetic threat object on one side of the pillar. A detection device, such a... | 11/13/2007 |
| 7239223 | Enhancement magnetizer for magnetic resonance imaging screening A method and apparatus for enhancing detection of a ferromagnetic threat object by magnetizing the threat object with a separate magnetic field, prior to scanning of the subject by a ferromagnetic-detecting sensor system. ... | 07/03/2007 |
| 7239134 | Screening method and apparatus A method and an apparatus are disclosed, to screen patients or other areas for ferromagnetic objects, particularly for use intra-operatively in an operating room. The device comprises at least one magnetic field source, at least one magnetic gradiometer, and the ass... | 07/03/2007 |
| 7178609 | Window mill and drill bit A method and apparatus for running a whipstock into a well bore attached to a combination mill and drill bit, releasing the mill/bit from the whipstock, milling a window in the casing, and drilling a lateral well bore, all in one trip. The mill/bit is provided with ... | 02/20/2007 |
| 7165400 | Locomotive engine emission control and power compensation A method and apparatus for lowering NOx in diesel engine exhaust gases while maintaining thermal efficiency, by retarding the start of fuel injection, increasing the compression ratio, and reducing the turbocharger inlet flow area to increase turbocharger speed and ... | 01/23/2007 |
| 7154266 | Screening method and apparatus A method and apparatus to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter a controlled area. The device comprises a screening portal, including multiple sensor arrays and associated electro... | 12/26/2006 |
| 7152830 | Switch machine improvements A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a han... | 12/26/2006 |
| 7147189 | Non-powered trailed switch detector for railroad track switching equipment An apparatus is provided for sensing movement of a point rail away from a stock rail by a selected distance, by closing a switch to shunt a track circuit, with means for resetting the apparatus to open the switch only after manual resetting of the point rail. ... | 12/12/2006 |
| 7134632 | Non-powered trailed switch detector for railroad track switching equipment An apparatus for sensing movement of a point rail away from a stock rail by a selected distance, by closing a switch to shunt a track circuit. Manual resetting of the point rail is required to reset the apparatus to open the switch. ... | 11/14/2006 |
| 7106056 | Security screening method and apparatus A method and apparatus to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter a security area. The device comprises either a screening portal or a compact, hand-held magnetic gradiometer and it... | 09/12/2006 |
| 7096952 | Latch mechanism guide An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mechanism togethe... | 08/29/2006 |
| 7066948 | Selective organ cooling apparatus and method An endovascular heat transfer device which can have a smooth exterior surface, or a surface with ridges and grooves. The device can have a plurality of elongated, articulated segments, with each having such a surface. A flexible joint connects adjacent elongated, ar... | 06/27/2006 |
| 7055504 | Barometric pressure diesel timing controller A fuel injection timing control system for diesel engines operating at high altitude, including a sensor for a parameter of the engine intake air, such as engine intake air pressure or turbocharger speed. This sensor communicates with a barometric pressure timing co... | 06/06/2006 |
| 7055610 | Plug concealment and diversion tool A tool for capturing and retaining a pump down plug or ball which has been released from equipment above in a well bore, concealing the pump down plug from subsequent flow of fluid or other material through the tool, and diverting flow from a normal circulation port... | 06/06/2006 |
| 7008348 | Gearbox for wind turbine A wind turbine gear box having a compound planetary gear arrangement having bearings providing improved reliability and with greater accessibility for servicing. The gear box has planet pinions and planet gears being rotated by a planet carrier around a sun gear whi... | 03/07/2006 |
| 6997262 | Emergency cutting apparatus and method A method and apparatus for cutting one or more longitudinal members, external to a downhole tubular conduit, by pulling upward on a cutter body attached to the tubular conduit, where the longitudinal members are run between cutter knives within the cutter body. The ... | 02/14/2006 |
| 6996498 | System and method for remote inbound vehicle inspection A system and method for reducing the shop time of a vehicle, e.g., a locomotive, at a maintenance facility by obtaining onboard systems parameter data during a period when the vehicle is inbound to the maintenance facility for required periodic scheduled maintenance... | 02/07/2006 |
| 6979345 | Multipurpose catheter assembly An apparatus for performing hypothermia of the body of a patient, or of a selected organ, while delivering a medicament to a selected blood vessel. A flexible coaxial catheter is inserted through the vascular system of a patient to place the distal tip of the cathet... | 12/27/2005 |
| 6965792 | Susceptometers for foreign body detection Methods and apparatus for minimizing the effects of temperature drift in a magnetic susceptibility measurement instrument, such as an instrument used in pre-MRI screening for the presence of ferromagnetic foreign bodies. The magnetic field source and magnetic sensor... | 11/15/2005 |
| 6956369 | Screening method and apparatus A method and apparatus to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter a controlled area. The device comprises a screening portal, including at least one magnetic gradiometer and its ele... | 10/18/2005 |
| 6912848 | Particulate filter aftertreatment of diesel engine exhaust A system for aftertreatment of diesel engine exhaust on a vehicle which is equipped for dynamic braking, using the electrical power generated by the dynamic braking to energize a resistor bank which incinerates particulate matter which has been collected in a partic... | 07/05/2005 |
| 6887262 | Selective organ cooling apparatus and method A selective organ heat transfer device with deep irregularities in a turbulence-inducing exterior surface. The device can have a plurality of elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects adjacent elon... | 05/03/2005 |
| 6866104 | Drop in dart activated downhole vibration tool A downhole vibration tool consisting of a body assembly installed in a work string, and a drop-in dart valve assembly. An open inner bore through the body assembly allows the performance of operations through the body assembly. To activate the vibration tool, the da... | 03/15/2005 |
| 6851472 | Convertible tubular scraper A tubular scraper which can be assembled so that the blades will be either rotating or non-rotating, as desired. If the tubular scraper is assembled in the non-rotating configuration, and the blades becomes stuck in the casing, the drill string can be pulled upward ... | 02/08/2005 |
| 6810955 | Gas lift mandrel A side-pocket gas lift mandrel having tapered end caps threaded onto the ends of the mandrel with metal-to-metal sealing threads. The thickness of each made up thread set is the same as the thickness of the small end of each end cap, resulting in a mandrel having th... | 11/02/2004 |
| 6805197 | Hydraulic wireline cutter A combination tool for attaching to a stuck wireline tool, then cutting the wireline just above the stuck tool with a hydraulically driven cutter, allowing the wireline to be pulled out of the hole before fishing out the stuck tool. A side door can be provided on th... | 10/19/2004 |
| 6763753 | Hydraulic wireline cutter A combination tool for attaching to a stuck wireline tool, then cutting the wireline just above the stuck tool with a hydraulically driven cutter, allowing the wireline to be pulled out of the hole before fishing out the stuck tool. A side door can be provided on th... | 07/20/2004 |
| 6755850 | Selective organ hypothermia method and apparatus A method and apparatus for performing hypothermia of a selected organ without significant effect on surrounding organs or other tissues. A flexible catheter is inserted through the vascular system of a patient to place the distal tip of the catheter in an artery fee... | 06/29/2004 |
| 6739391 | Surface deployed cement separation plug A separation barrier for placement in an open well bore or casing, to prevent migration of cement slurry downwardly into the drilling fluid, facilitating the placement of a cement plug to segregate a well bore into uphole and downhole portions. The barrier has an an... | 05/25/2004 |
| 6740109 | Isolated selective organ cooling method A selective organ cooling method using a separate warming device for preventing secondary cooling which can result from cooling the selected organ. The cooling device applies cooling to the blood flowing in the feeder artery of the selected organ, while the body tem... | 05/25/2004 |
| 6719052 | Latch mechanism guide An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by hydraulically expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mec... | 04/13/2004 |
| 6719723 | Multipurpose catheter assembly An apparatus for performing hypothermia of the body of a patient, or of a selected organ, while delivering a medicament to a selected blood vessel. A flexible coaxial catheter is inserted through the vascular system of a patient to place the distal tip of the cathet... | 04/13/2004 |
| 6702031 | Anchoring device removal method and apparatus A method and apparatus for severing the mandrel of an anchor device such as a packer to release the packer and remove it from a well. A cutter locator profile above the packer assembly and a cutter locator element on the cutting tool are located so as to ... | 03/09/2004 |
| 6702842 | Selective organ cooling apparatus and method An endovascular heat transfer device which can have a smooth exterior surface, or a surface with ridges and grooves. The device can have a plurality of elongated, articulated segments, with each having such a surface. A flexible joint connects adjacent el... | 03/09/2004 |
| 6691958 | Switch machine A switch machine for a railroad switch provided with two switch points interconnected by transverse bars, including a fixed housing mounted between the switch points; two operating rods extending from the housing to the switch points; a shifting body with... | 02/17/2004 |
