...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8157434 | High efficiency and high precision microfluidic devices and methods New high density microfluidic devices and methods provide precise metering of fluid volumes and efficient mixing of the metered volumes. A first solution is introduced into a segment of a flow channel in fluidic communication with a reaction chamber. A second soluti... | 04/17/2012 |
| 8070353 | Horizontal mixer An easily cleanable horizontal mixer. This horizontal mixer (10) includes a mixing bowl (18) having an upper opening, a material feed port (20), a roof (22) configured so as to close the upper opening, a material feed tube (24) att... | 12/06/2011 |
| 7740400 | Control drip mixer attachment A control drip mixer attachment is in combination with a hub type food mixer. The control drip mixer attachment includes a container with a side wall and a bottom wall forming an interior of the container. A shaft is connected to the container, with the shaft being ... | 06/22/2010 |
| 7607819 | Disposable coupling and liner for containers A disposable liner for use in a vessel used for blending chemicals is described. The liner has a body with an inside and an outside surface and at least one orifice for receiving and discharging a product contained in the body. The body has at least one layer of a f... | 10/27/2009 |
| 7401972 | On chip dilution system An on-chip chemical compound dilution system for providing dilution of a chemical compound in a microfluidic application includes at least one sample well for providing a selected chemical compound to be diluted, a dilution well for providing a diluent for diluting ... | 07/22/2008 |
| 7344299 | Mixing system and process A batter mixing apparatus and process is disclosed for mixing a dry batter mix with a predetermined amount of water is adapted to continuously measure the temperature and the viscosity, in centipoises, with an inline viscometer. The controls of the apparatus are ful... | 03/18/2008 |
| 7309155 | Tank mixing system and valve therefor A mixing system and valve(s) are provided for a tank or other container of liquid to be mixed. A directional flow control valve is secured within the tank. The directional flow control valve includes a plate secured adjacent an inlet supply opening or an outlet supp... | 12/18/2007 |
| 7300196 | Automatic dilution system with overflow protection A chemical solution dispensing apparatus uses a dissolving tank to hold a solid chemical cake. The dissolving tank delivers the chemical solution into a holding tank by gravitational flow and then to a receiving system. A liquid level sensor in the holding tank sens... | 11/27/2007 |
| 7293910 | Surge suppressor for a mixer head assembly A valve assembly for a molding system includes a plurality of sequentially activated valves. The valves suppress the initial surge of each individual fluid material component such that a proper quantity of each component is supplied to the mix head at the beginning ... | 11/13/2007 |
| 7267473 | Transfer system for coloring agents A system for transferring coloring agents for concrete to a ready mix truck or the like, includes a tank for receiving coloring agents. The tank includes lines for supplying it with water and a pump for transferring the coloring agents to the ready mix truck through... | 09/11/2007 |
| 7147363 | Device for thermal treatment of flour for hygenic purposes This invention relates to a method and a device for thermally treating flour, especially middlings, for hygienic purposes. The device includes modules which are a first, heatable batch mixer (4) with a pre-mounted depot (1). The batch mixer is connecte... | 12/12/2006 |
| 7135107 | Apparatus and system for concentrating slurry solids An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges. Baffles are provided to direct solids to the outlet and minimize the tim... | 11/14/2006 |
| 7059761 | Product blender and dispenser A command module, draw switch, blending and dispensing assembly, and multiple ingredient storage and delivery modules are added to a conventional milk shake freezer and dispensing machine. A selector panel is provided to enable the operator to dispense a shake-like ... | 06/13/2006 |
| 6974245 | Device for mixing a liquid fertilizer with a flow of water, for use by individuals The mixing device for liquid fertilizer with a flow of irrigation water, comprises a mixing head (1) provided with an internal mixing chamber (2) into which opens an internal water supply channel (3), adapted to be connected to a source (4 | 12/13/2005 |
| 6971785 | Canister assembly for powder delivery system A powder paint canister assembly includes a canister body having a color changer manifold, a purge ring, and at least one venturi pump attached thereto. The canister body interior includes a fluidization plate and a fluidization distribution plate adjacent a prefera... | 12/06/2005 |
| 6966688 | Apparatus for mixing and dispensing powder An apparatus and method for mixing and dispensing a powder material in an aqueous solution wherein the powder material is premixed into solution by a spreader. The premix solution is subsequently dispensed in a diluted aqueous stream by a venturi proportioner. In a ... | 11/22/2005 |
| 6883957 | On chip dilution system An on-chip chemical compound dilution system for providing dilution of a chemical compound in a microfluidic application includes at least one sample well for providing a selected chemical compound to be diluted, a dilution well for providing a diluent for diluting ... | 04/26/2005 |
| 6698915 | Manifold for mixing device A blender mixes a liquid and a quantity of particulate solids for use in hydrocarbon well operations. The blender is mounted on a vehicle having a suction manifold of rectangular tubing. The long side of the rectangular tubing is vertical, is positioned o... | 03/02/2004 |
| 6588929 | Portable mixing and dispensing apparatus and method A portable mixing and dispensing apparatus, especially useful for spraying, including a fluid conducting, mixing and supporting framework for the hydraulic unit in the apparatus. The framework includes spaced end plates and a conduit assembly. Each end pl... | 07/08/2003 |
| 6572258 | Apparatus for mixing at least two flowing media The invention features an apparatus for mixing water and a beverage concentrate that includes a first passage channel passing through a housing from an inlet to an outlet, a second passage channel ending downstream in a smaller passage cross-section of th... | 06/03/2003 |
| 6536936 | Mix head assembly for a molding material delivery system A mix head assembly for a rapid discharge multiple material delivery molding system includes an output chamber assembly having a plurality of impellers, a main body assembly, and a drive assembly. The main body assembly preferably includes a plurality of ... | 03/25/2003 |
| 6527431 | Combined mixing and injecting device for a mold A combined mixing and injecting device includes a housing having a pressure chamber and containing two plungers with one being sleeved around the other. The plungers have top ends formed with pistons which respectively extend into upper and lower chambers... | 03/04/2003 |
| 6499872 | Ultra-lean dilution apparatus An ultra-lean dilution apparatus is provided for proportioning minute quantities of a first fluid, such as a concentrated cleaning solution, for mixing into a second fluid, such as tap water, which provides improved performance and which can be manufactur... | 12/31/2002 |
| 6454457 | Mixing apparatus with rotary jet water valve A mixing apparatus includes a mixing tube, a liquid inlet, a dry substance inlet and a recirculation mixture inlet. The mixing apparatus is utilized with a tub. A liquid and a dry substance may be mixed in the mixing tube and the mixture may be recirculat... | 09/24/2002 |
| 6387251 | Apparatus for dosing powdered or granulated additives in water works, namely swimming pools An apparatus for dosing a granulated or powdered additive in the water of a water works includes a dosing assembly (10) with a water collecting tank (9) hydraulically connected to inflows (20, 21) of unmixed water and to an outflow of additive-mixed water... | 05/14/2002 |
| 6305835 | Apparatus for handling and preparing fluids Apparatus and processes are provided for handling fluids in numerous industrial applications. Materials addition devices, including venturi hoppers, and other eductor assemblies, are joined in compact, horizontal, and/or vertical configurations, with one ... | 10/23/2001 |
| 6263171 | Ink density adjusting mechanism and electrophotographic apparatus using the ink density adjusting mechanism In response to a print end instruction from a controller, a development controller checks if the ink density is proper. If the ink density is out of proper range, a circulation path switching valve is turned on to continue ink density adjustment processin... | 07/17/2001 |
| 6250795 | Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane products This invention relates to an improved procedure and apparatus for making colored polyurethane foam products, such as carpet underlay and the like, as well as the improved colored product itself. Such a procedure entails the utilization of at least one val... | 06/26/2001 |
| 6247839 | Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane foam carpet underlay This invention relates to an improved procedure and apparatus for making colored polyurethane foam products, such as carpet underlay and the like, as well as the improved colored product itself. Such a procedure entails the utilization of at least one val... | 06/19/2001 |
| 6238081 | Ultra-lean dilution apparatus An ultra-lean dilution apparatus is provided for proportioning minute quantities of a first fluid, such as a concentrated cleaning solution, for mixing into a second fluid, such as tap water, which provides improved performance and which can be manufactur... | 05/29/2001 |
| 6203187 | Method and apparatus for controlled mixing of fluids A method for mixing fluids in which a continuously variable flow rate stream of an injection fluid is introduced into a substantially constant flow rate stream of a primary fluid in a direction substantially transverse with respect to the direction of flo... | 03/20/2001 |
| 6203183 | Multiple component in-line paint mixing system An in-line mixing system and method for mixing one or more paint fluid subcomponents. The system includes subcomponent input lines (20) connected to a reducing manifold (22). An on/off solenoid valve (28) in each line is arranged to allow or prohibit flui... | 03/20/2001 |
| 6170977 | Method and device for stirring a developing liquid stored in an image forming apparatus In an image forming apparatus operable with a developing liquid consisting of a solvent and toner particles dispersed therein, a device for stirring the liquid includes a reservoir formed with an inlet and an outlet for causing the liquid to be circulated... | 01/09/2001 |
| 6120742 | Controller at polymer electrolyte interface for system for mixing and activating polymers A system for activating or inverting modern, fast to activate polymers has a chamber with two entrances, one for neat polymer and one for an electrolyte. The polymer and electrolyte first meet at a polymer/electrolyte interface formed by an orifice in the... | 09/19/2000 |
| 6076809 | Fluid mixing apparatus having a condensing tube array A fluid mixing apparatus for mixing a first fluid with a second fluid and to prevent acoustic hammer effects, utilizing a condensing tube array. In accordance with one embodiment of the invention, a direct steam injection process heater is provided, havin... | 06/20/2000 |
| 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 |
| 6022135 | Fluid mixing device A fluid mixing device, especially for treating super heated steam comprises a conduit (10) for a first fluid with a dispersing member (14) for a second fluid, such as water, arranged so that an annular space (16) is defined between the dispersing member (... | 02/08/2000 |
| 6000837 | Arrangement in a mixer, especially for mixing printing color The present invention relates to an arrangement in a mixer (1), especially for mixing printing color, and for the objective of achieving an automatic process rendering a very accurate mixing result, it is in accordance with the present invention suggested... | 12/14/1999 |
| 5915834 | Variable set point oxygen concentration mixer Apparatus for mixing two gasses, at least one of which contains oxygen, to a desired concentration of oxygen, comprising a mixing plenum, an inlet valve, for admitting one of the two gasses into the mixing plenum, an oxygen sensor for detecting oxygen con... | 06/29/1999 |
| 5887971 | Homogenizing valve In a homogenization unit, a homogenizing valve comprises an impact head which, with a lower valve body, forms an annular high-pressure chamber (64) supplied by a high pressure channel (24). An annular surface of the impact head cooperates with an opposite... | 03/30/1999 |