...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7789553 | Water circulation systems for ponds, lakes, and other bodies of water Circulation systems for ponds, lakes, or other bodies of water using a flotation platform, dish, and impeller. One embodiment has a connecting arrangement between the drive motor and the impeller that permits the two to be easily and quickly coupled and uncoupled. T... | 09/07/2010 |
| 7712952 | Mixer device for divided solid waste A mixer device for materials made up of various divided solid waste, in a vertical silo (1). The device includes the following: a central working area extending along the entire height of the silo (1); a peripheral zone; elements (6) which are d... | 05/11/2010 |
| 7665887 | Nozzle device with flow restrictors used for multiphase fluid flow simulation in high temperature and pressurized mixing reactors A mixing apparatus has a chamber, a shaft extending into the chamber, a motor drivingly interconnected to the shaft, a nozzle support affixed to the shaft and extending outwardly therefrom within the chamber, and a nozzle having an interior passageway affixed to the... | 02/23/2010 |
| 7665886 | Nozzle device used for multiphase fluid flow simulation in high temperature and pressurized mixing reactors A mixing apparatus has a chamber, a shaft extending into the chamber, a motor drivingly interconnected to the shaft, a nozzle support affixed to the shaft and extending outwardly therefrom within the chamber, and a nozzle having an interior passageway affixed to the... | 02/23/2010 |
| 7645067 | Homogenizer A homogenizer is disclosed, which can produce an emulsion with a grain diameter as extremely fine as approximately 1 μm without using large-scale equipment such as a high-pressure pump, and in which a grain diameter distribution of the produced emulsion exhibits sh... | 01/12/2010 |
| 7368283 | Agitation tank for storing beer yeast slurry According to the present invention, there is provided a stirred tank for storing yeast slurry to be supplied to fermentation tanks where fermented foods such as beer are fermented, is characterized in that a stirring impeller is provided within the stirred tank and ... | 05/06/2008 |
| 7364895 | Bioarray chip reaction apparatus and its manufacture A body 300 having a cavity 310 for mounting a substrate 120 fabricated with probe sequences at known locations according to the methods disclosed in U.S. Pat. No. 5,143,854 and PCT WO 92/10092 or others, is provided. The cavity includes inlets | 04/29/2008 |
| 7334936 | Mixing device and method of mixing The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 02/26/2008 |
| 7334409 | Retractable afterburner for jet engine The present invention is a retractable afterburner shroud for use upon a jet engine. The retractable shroud conforms to an outer surface of a jet engine. The afterburner shroud is affixed by a plurality of moveable support arms. The afterburner shroud is retractable... | 02/26/2008 |
| 7331704 | Start-up method for draft tube mixing A method for suspending settled solids in a liquid using a mixing assembly having a mixing vessel, draft tube disposed within the mixing vessel and an impeller disposed within the draft tube. The method includes rotating the impeller in a first rotational direction ... | 02/19/2008 |
| 7275857 | Apparatus for treating plastics material A device for treating plastics material, in particular thermoplastic plastics material, has a receiving container (1) which has a base (15) and lateral walls (14). In the receiving container at least [one] disc (17) is arranged close to t... | 10/02/2007 |
| 7249880 | Flexible mixing bag for mixing solids, liquids and gases In an embodiment, an apparatus includes a disposable and flexible mixing tank having a sealed sleeve therein for arrangement of a mixing device. The volume of the mixing tank is defined by an inner wall of the mixing tank and an inner wall of the sleeve. The mixing ... | 07/31/2007 |
| 7238521 | Microarray hybridization device having bubble-fracturing elements A novel hybridization device that improves the efficiency and consistency of microarray hybridization reactions by achieving a greater degree of internal mixing of target solution. The device provides a gasket-and-cover-type chamber wherein solution mixing is achiev... | 07/03/2007 |
| 7127919 | Methods and apparatus for homogenizing molten glass The level of precious-metal inclusions in glass products, e.g., glass substrates for liquid crystal displays, is reduced by stirring molten glass in a stir chamber (11) under conditions such that the magnitude of the shear stress τ on the chamber's wall (... | 10/31/2006 |
| 7097734 | System and method for forming wood products Methods for securing wood members together are disclosed. The methods include the use of an adhesive that quickly cures without heating. Adhesives may be impingement sprayed or splattered onto a contact surface. The methods may be used to form high-strength bonds be... | 08/29/2006 |
| 7070174 | Mixing apparatus for mixing gas in a closed reactor The invention relates to a mixing apparatus and a method for mixing gas in a closed mixing reactor, which uses gas as a process chemical with a high efficiency and where the content of pulverous solids in the solution is great. The aim is to obtain a flow in the rea... | 07/04/2006 |
| 7070317 | Method of mixing using vaned mixing device The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 07/04/2006 |
| 7024963 | Drive apparatus An apparatus for inducing drive is shown that includes a primary drive shaft and four secondary drive shafts. The primary shaft and secondary shafts are fitted with magnets that are oriented such that when the primary shaft is rotated the secondary shafts are caused... | 04/11/2006 |
| 6991362 | Agitators for wave-making or mixing as for tanks, and pumps and filters A tank agitator connects to a low head feed and causes agitation by discharging through a port that might rotate, oscillate, or otherwise issue a pulsing stream. This agitator has a housing with a turbine plenum and an exhaust plenum. A turbine in the turbine plenum... | 01/31/2006 |
| 6988823 | Apparatus and method for wetting powder Disclosed is an apparatus for wetting particulate material comprising a tank (1) that has an outlet (2) at its lower end and an inlet (3) at its upper end, into which is mounted a container (4) comprising a number of individual internal c... | 01/24/2006 |
| 6962618 | Device for separating air from flotation foam Device and process for the removal of air from flotation foam formed during the flotation of a paper-fiber-containing suspension. The device includes a driven rotor that includes a shaft and at least one rotor blade positioned on the shaft, and a non-rotating wall a... | 11/08/2005 |
| 6948902 | Carrier wheel assembly for sweep auger A carrier wheel assembly for supporting a sweep auger at intermediate positions having a first wheel that is rotatably mounted to the shaft of the auger and extends rearwardly through a slot and secured to the backboard of the auger, and having a rearward wheel rota... | 09/27/2005 |
| 6830700 | Method and device for removing particles from liquid A method and device for removing particulate matter from a liquid medium, especially a molten salt bath. The structure includes a device for capturing and removing particulate matter from a liquid medium. In operation, the device is inserted into the liquid having t... | 12/14/2004 |
| 6802643 | Self-anchoring mast for deploying a high-speed submersible mixer in a tank A self-anchoring mast for deploying a high-speed submersible mixer in a tank includes operably connected first and second mast members (20, 22) and a foot member 46 operably connected to the second mast member for supporting the mast in a tank. The sec... | 10/12/2004 |
| 6655830 | Agitators for wave-making or mixing as for tanks, and pumps and filters A tank agitator connects to a low head feed and causes agitation by discharging through a port that might rotate, oscillate, or otherwise issue a pulsing stream. This agitator has a housing with a turbine plenum and an exhaust plenum. A turbine in the tur... | 12/02/2003 |
| 6616325 | Mixing apparatus having a coaxial curved surface producing a pumping action conducive to mixing fluids and solids Apparatus for mixing a material contained in a vessel comprises one or more flow channels and at least one pair of first and second members which are coaxially mounted one within the other about an axis of rotation such that their facing surfaces curve ar... | 09/09/2003 |
| 6513968 | Apparatus and method for mixing a film of fluid A method and apparatus is provided for mixing a film of fluid, particularly a film of chemical, biochemical, or biological fluids undergoing a reaction. The apparatus comprises a means for nucleating a bubble using a discrete heat source, such as a resist... | 02/04/2003 |
| 6488401 | Agitators for wave-making or mixing as for tanks, and pumps and filters A tank agitator connects to a low head feed and causes agitation by discharging through a port that might rotate, oscillate, or otherwise issue a pulsing stream. This agitator has a housing with a turbine plenum and an exhaust plenum. A turbine in the tur... | 12/03/2002 |
| 6443611 | Apparatus for manufacturing photographic emulsions An apparatus and method for mixing at least two reactants is taught wherein a first reactant is delivered to a reaction zone through a first annular flow path and a second reactant is delivered to the reaction zone through a second annular flow path. The ... | 09/03/2002 |
| 6420114 | Microarray hybridization chamber A method and apparatus is provided for mixing a film of fluid, particularly a film of chemical, biochemical, or biological fluids, undergoing a reaction. The apparatus comprises a means for creating a bubble within the film of fluid, and moving the bubble... | 07/16/2002 |
| 6391628 | Digester with agitator and method for operating an agitator in a digester A digester with an agitator and a method of operating an agitator in a digester can be used, for instance, in agricultural biogas plants and communal clarification plants. The digester with an agitator and the method feature improved mixing of the waste p... | 05/21/2002 |
| 6341889 | Method for distributing liquid by controlling rotation speed of a shaft as a function of the liquid depth in a tank With a liquid ejection apparatus where a liquid-transporting body is attached to an agitator shaft, the liquid-transporting body is revolved about the agitator shaft, with the rotational speed being changed in accordance with a change in liquid depth. Hen... | 01/29/2002 |
| 6334704 | Liquid ejection apparatus and liquid ejection method A liquid ejection apparatus has gutter bodies secured to an agitator shaft at predetermined inclination angles or gutter bodies or tubular bodies attached to these agitator shaft so that the size of the inclination angles are adjustable. The gutter bodies... | 01/01/2002 |
| 6296696 | One-pass method for preparing paper size emulsions A one-pass, non-tolerance dependent method for preparing paper size emulsions comprising an aqueous emulsion of a substituted cyclic dicarboxylic anhydride, a colloidal stabilizer, and a surfactant wherein the emulsion after one-pass through a dispersion ... | 10/02/2001 |
| 6276824 | Apparatus and method for slurrying waste materials and drill cutting in a tank and transferring them therefrom An apparatus and method for slurrying waste materials and drill cuttings. The apparatus includes a pump having a chamber an inlet opening into the bottom of the chamber, an impeller, an outlet on one side of the chamber for removal of material into a disc... | 08/21/2001 |
| 6241381 | Liquid ejection apparatus and liquid ejection method A liquid ejection apparatus has gutter bodies secured to an agitator shaft at predetermined inclination angles or gutter bodies or tubular bodies attached to the agitator shaft so that the size of the inclination angles are adjustable. The gutter bodies o... | 06/05/2001 |
| 6186659 | Apparatus and method for mixing a film of fluid A method and apparatus is provided for mixing a film of fluid, particularly a film of chemical, biochemical, or biological fluids undergoing a reaction. The apparatus comprises a means for nucleating a bubble using a discrete heat source, such as a resist... | 02/13/2001 |
| 6168307 | Rotor for the treatment of liquid A rotor for the treatment of a liquid such as molten metal by the addition of gas and/or particulate material. The rotor includes a hollow rotation body (1) with openings (5, 9, 10) in the base and side. The rotor is mounted on a shaft (2) and driven via ... | 01/02/2001 |
| 6089748 | Apparatus for stabilizing a mixer which circulates liquid against excessive oscillation Mixer apparatus having an impeller on a shaft, which circulates a body of liquid the surface of which can clear the impeller, especially when the liquid is in a tank, and the tank is drained, is protected against excessive by use of a flexural member, whi... | 07/18/2000 |
| 6065864 | Apparatus and method for planar laminar mixing A microelectromechanical system mixes a fluid using predominantly planar laminar flow. The microelectromechanical system includes a mixing chamber and a set of valves to establish the planar laminar flow in the mixing chamber. In one embodiment, bubble-co... | 05/23/2000 |