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| Number | Title | Issue Date |
| 8322381 | Static fluid flow conditioner A static conditioner for mounting within a tubular conduit in turn supporting fluid flow therein and including a two-stage construction having a first stage including primary vanes including laterally extending caps radially inwardly extending into the fluid flow so... | 12/04/2012 |
| 8281817 | Laminar flow tool A laminar flow tool is for channeling water, air or other fluids through a down drill pipe or tubing for pressurization of other tools or other purposes. The tool provides a flow divider having an 180 degree twist separating a driven fluid chamber from a buffer flui... | 10/09/2012 |
| 8205642 | Flow-through sandwich core structure and method and system for same Methods and apparatus for transmitting a fluid through the core of a metal sandwich structure. Improved metal sandwich sheet structures include a formed metal core that is brazed, welded, or bonded to two outer flat metal sheets at a series of interleaving surface r... | 06/26/2012 |
| 8181671 | Anti-resonant pulse diffuser An elongate flow tube having an interior cross-section surrounding a long axis, an inlet end for receiving a fluid flow and an outlet end for discharging the fluid flow, and a diffuser plate spanning the interior cross-section to separate the flow tube into an inlet... | 05/22/2012 |
| 8136554 | Molded plastic pipe The invention relates to a plastic molded pipe, in particular for fuel-conducting return lines in injection systems for internal combustion engines. The plastic molded pipe has an inner pipe and an outer encapsulation made of a plastic material with connectors for a... | 03/20/2012 |
| 8127798 | Turning vane for air duct An air turning vane and rail assembly including a pair of rails, a plurality of tabs having a height distance H, a plurality of air turning vanes, each of the turning vanes including a single sheet of metal that is folded in a U-bend to form elongated generally rect... | 03/06/2012 |
| 8047235 | Fluid-permeable body having a superhydrophobic surface Apparatus including a rigid fluid-permeable body, having a first non-planar fluid-permeable body surface, and having a second fluid-permeable body surface; a plurality of fluid-permeable cells in the fluid-permeable body; and a plurality of raised micro-scale featur... | 11/01/2011 |
| 8028722 | Fluid handling device with directionally-biased wetting surface A fluid handling device with an anisotropic wetting surface including a substrate with a multiplicity of asymmetric substantially uniformly shaped asperities thereon. Each asperity has a first asperity rise angle and a second asperity rise angle relative to the subs... | 10/04/2011 |
| 7992593 | Electrically conductive confined space ventilator conduit formed of conductive polymer, electrical grounding circuit for ventilation systems using same, and methods of using and forming same An electrically conductive confined space ventilation conduit formed of a substantially rigid non-metallic conductive material, such as plastic, and a related process for ventilating an enclosure accessed by a manhole or other port. In one embodiment, the conduit ha... | 08/09/2011 |
| 7942166 | Devices for delivering gas A device for delivering gas is disclosed. The device may include a chamber and a guide. The chamber may include a set of input openings for receiving the gas and an output opening for providing the gas. The set of input openings may include a first hole and a second... | 05/17/2011 |
| 7882855 | Air flow path for an air impingement finger duct An impinging air duct that comprises one or more ramps disposed within. The ramps direct air entering the duct through columnating orifices, and helps to provide an even flow of air out of the orifices, along the length of the duct. The angle of the ramp and the loc... | 02/08/2011 |
| 7798175 | High capacity water diversion conduit A fluid diversion conduit is described for diverting the flow of fluid, and particularly for diverting water from a stream to a discharge location. The discharge end of the duct has a segment of gradually enlarging cross sectional area, forming a hydraulic flow diff... | 09/21/2010 |
| 7779868 | Duct structure A duct structure, includes: a vessel forming therein a chamber, the vessel including: an inlet port, an outlet port, wherein the vessel is configured such that a fluid flows into the chamber through the inlet port and flows out of the chamber through the outlet port... | 08/24/2010 |
| 7753080 | Three-dimensionally intersecting diverter as an inner member for a pipe, barrel or tower A diverter for arrangement in a pipe, a barrel or a tower, and including an even number (≧4) of conical cavities arranged annularly, all of the conical cavities converging at the center of the diverter. The intersection point of the axial lines of the odd numbered... | 07/13/2010 |
| 7721767 | Method of determining the helix angle of a helical formation for a conduit A Method of Determining the Helix Angle of a Helical Formation for a Conduit. A method of determining the helix angle of a helical formation (4) within a conduit (1). The method includes specifying the internal dimensions of the conduit (1) and ... | 05/25/2010 |
| 7516761 | Flow rectifier for an air mass sensor The invention relates to a mass tube (1) for an air measuring sensor (3) comprising a metal grid (4) acting as a flow rectifier arranged perpendicular to the air flow (2). At least two fixing elements (5) are arranged on the measur... | 04/14/2009 |
| 7469720 | High energy dissipative and erosion resistant fluid flow enhancer Methods and apparatus for use within a production pipeline or other flowbore to reduce fluid pressure and regulate fluid flow while minimizing erosion effects caused by particulate matter in the fluid, wherein varying geometries with respect to multiple components w... | 12/30/2008 |
| 7467645 | Electrically conductive confined space ventilator conduit formed of conductive polymer, electrical grounding circuit for ventilation system using same, and methods of using and forming same An electrically conductive confined space ventilation conduit formed of a substantially rigid non-metallic conductive material, such as plastic, and a related process for ventilating an enclosure accessed by a manhole or other port. In one embodiment, the conduit ha... | 12/23/2008 |
| 7373956 | Passageway having non-linear flow path A tube for directing fluid along a path that includes a bend. The tube comprising a conduit having a first aperture, a second aperture, and a bend portion adjacent the second aperture. An outer bend surface is integrally formed as part of the conduit to at least par... | 05/20/2008 |
| 7370675 | Flow conditioner for a fluid transport pipe The flow conditioner for a fluid transport pipe, comprises a support-forming substantially tubular main body, at least one flow rectifier disposed inside the main body essentially perpendicularly to the axis XX′ thereof, and a porous plate disposed inside the main... | 05/13/2008 |
| 7357351 | Linear shock wave absorber A linear cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing sine wave, although other configurations are possible that do not follo... | 04/15/2008 |
| 7347223 | Pipe flow stabilizer A fluid flow stabilizer for use in a flow of fluid in a conduit between a source of turbulence and a fluid control device. The stabilizer comprises a fluid conduit section having a first end with a mounting arrangement for mounting the first end to the fluid conduit... | 03/25/2008 |
| 7338521 | Low profile inlet for an implantable blood pump A low profile pump inlet for an implantable blood pump is disclosed. The low profile pump inlet has an inflow diffuser for attachment to a conduit bearing an inflow of a fluid such as blood and an outflow orifice in fluid connection with the diffuser. The outflow or... | 03/04/2008 |
| 7331989 | Insert for a conduit There is disclosed an insert (2) for a conduit (4) adapted to effect helical flow in the conduit (4) comprising a longitudinally extending member having a helical formation. ... | 02/19/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7322557 | Chemical liquid control valve A chemical liquid control valve is provided with a barrier on an outer circumferential end portion of a protruding part (an outer circumferential bottom portion of a valve seat). The barrier is placed so that an angle between the center line of an outlet passage and... | 01/29/2008 |
| 7316245 | Fluid flow control device A flow control device having no moving parts that controls fluid flow along a fluid pathway in such a way that flow rate remains constant irregardless of environmental changes. The device achieves a constant flow rate by taking advantage of the properties of the flu... | 01/08/2008 |
| 7303091 | Expansion tank with double diaphragm A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture adapted and constructed to be connected to a liquid port, and the periph... | 12/04/2007 |
| 7302774 | Flash suppressor apparatus and methods Flash suppressors having novel expansion features are disclosed. In one embodiment, a suppressor apparatus includes an attachment portion adapted to attach to a gun barrel, and a suppressor portion coupled to the attachment portion. The suppressor portion has a supp... | 12/04/2007 |
| 7303730 | Waste gas treating device having flow regulator An apparatus having a baffle device and used for treating an exhaust gas, the apparatus comprising: (a) an inlet duct through which the exhaust gas is flowed in, (b) a bend portion, and (c) a catal... | 12/04/2007 |
| 7291194 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 11/06/2007 |
| 7288128 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 10/30/2007 |
| 7284948 | Turbine with tube arrangement and method of preventing detachment of a fluid flow Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at least partially prevents a fluid flow through the tubular arrangemen... | 10/23/2007 |
| 7270214 | Method and apparatus for reducing and extracting wing-tip vortex energy The present invention provides an apparatus and a method for reducing wing-tip vortex energy during seismic exploration. The apparatus includes a vortex concentrator of deployed proximate a tip of a hydrofoil and a vortex reducing device deployed proximate the vorte... | 09/18/2007 |
| 7264394 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 09/04/2007 |
| 7264423 | Hose restraint apparatus A restraint apparatus configured to selectively attach a flexible hose at an outlet structure of a manifold of an air conveyance system is provided. The restraint apparatus includes a restraint member having a flat, planar shape. The restraint member includes a firs... | 09/04/2007 |
| 7258196 | Noise attenuator with laterally moving baffles A silencer or sound attenuator for gas flows that makes use of noise baffles is provided with a lateral movement mechanism which allows the baffles to be moved perpendicular to the direction of the gas flow within the silencer. A silencer provided with the lateral m... | 08/21/2007 |
| 7249614 | Structure and method for improving flow uniformity and reducing turbulence A structure for reducing turbulence and increasing flow uniformity in a flowing fluid in a wind tunnel, or a fluid channel, has a plurality of conduits or channels arranged into a conduit bundle. The conduit bundle has a number of parallel conduits with plurality of... | 07/31/2007 |
| 7237601 | Heat exchanger for cooling a hot gas that contains solid particles A heat exchanger for cooling a hot gas that contains solid particles, comprising heat exchanger tubes through which the hot gas flows, with the tubes being surrounded by a casing, and with ends of the tubes being welded, via weld seams, into bores of respective tube... | 07/03/2007 |
| 7238265 | Electroplating apparatus with functions of voltage detection and flow rectification The present invention provides a fountain-type electroplating apparatus with functions of voltage detection and flow rectification, comprising: an electroplating tank, a rectification device, and an overflow tank, wherein the electroplating tank is positioned inside... | 07/03/2007 |
