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| Number | Title | Issue Date |
| 7344297 | Method and apparatus for asynchronous blending and supply of chemical solutions The invention is a method and apparatus for asynchronous blending and supply of chemical solutions. The method of the present invention includes a continuous blending system. This continuous blending system monitors the output and continuously adjusts the blending s... | 03/18/2008 |
| 7318483 | Fire fighting foam injection system with auto-start feature A fire fighting vehicle of the type having a system for introducing a liquid foam concentrate into a water delivery hose so that the percentage concentration of foamant in the mixture remains at a predetermined set value irrespective of variations in the water flow ... | 01/15/2008 |
| 7253308 | Method for catalytic phase oxidation to (meth) acrolein and/or (meth) acrylic acid A process for the continuous gas-phase oxidation of C3- and C4-precursors to (meth)acrolein and/or (meth)acrylic acid in the presence of a catalyst in a reactor which has a feed for the reaction mixture at one reactor end and removal of the rea... | 08/07/2007 |
| 7246631 | Adhesive mix monitor A system for measuring a mixture ratio associated with a two-part fluid, at least one of the two parts including conductive particles. The system includes a pair of electrodes, a circuit, and an output. The electrodes are disposed on opposite sides of the two-part f... | 07/24/2007 |
| 7028488 | Method and apparatus to minimize fractionation of fluid blend during transfer A method of dispensing a liquid material from a source container which includes a blend of fluids of a first composition that normally fractionate upon boiling. A material of a second composition (different than that of the first composition) and capable of maintain... | 04/18/2006 |
| 6998057 | Method for monitoring and controlling chlorine levels in an aqueous medium A method for monitoring and adjusting the level of free chlorine in an aqueous fluid is described. In the described method, first aqueous fluid (50) substantially free of free chlorine is introduced into a suitable mixing vessel (26) wherein it contact... | 02/14/2006 |
| 6958693 | Sensor device and methods for using same A sensor device and method of employment is provided. More specifically, a sensor device adapted to detect, identify and/or measure a chemical and/or physical characteristic upon placement of the device into an environment, especially a liquid medium for which monit... | 10/25/2005 |
| 6957523 | System to form, fill and seal flexible bags A system to form, fill and seal (FFS) flexible bags including the steps of: a total printing of the film as it winds off the supply reel; a dry cleaning; a gimballed aligning for the folding of the printed and washed film; a hot-bar welding of the folded film; a val... | 10/25/2005 |
| 6923568 | Method and apparatus for blending process materials A method and apparatus for blending and supplying process materials. The method and apparatus are particularly applicable to the blending of ultra-high purity chemicals, the blending of abrasive slurries with other chemicals for the polishing of semiconductor wafers... | 08/02/2005 |
| 6921193 | Chemical concentration control device for semiconductor processing apparatus A chemical concentration control device for a semiconductor processing apparatus being capable of keeping processing chemicals at constant concentrations, and of maintaining the liquid level required for processing is provided. A semiconductor processing apparatus i... | 07/26/2005 |
| 6918406 | Chemical supply apparatus The present invention is directed to a chemical supply apparatus including a first tank in which at least two chemicals supplied from each supply bath are mixed, circulating means for circulating the chemicals in the first tank to uniformly mix the chemicals therein... | 07/19/2005 |
| 6875287 | Water reclamation rate in semiconductor fabrication wet benches Embodiments of the present invention are directed to improving the reclamation rate of the waste water of wet benches in semiconductor fabrication. In accordance with an aspect of the invention, a method for improvement of water reclamation rate comprises choosing a... | 04/05/2005 |
| 6814869 | Method and an apparatus as well as a connector and a concentrate container unit for the preparation of solutions A method and apparatus for the preparation of solutions to be manufactured from at least two concentrates and a solvent. After placing of two concentrate holders into associated recipients, both concentrate holders are connected using a single connector having two c... | 11/09/2004 |
| 6799883 | Method for continuously blending chemical solutions Provided are a method and apparatus for continuously blending a chemical solution for use in semiconductor processing. The method involves the step of: mixing a first chemical stream with a second chemical stream in a controlled manner, to form a stream of a solutio... | 10/05/2004 |
| 6591872 | Process and plant for the dynamic packaging of gases, especially those for medical use A process for the dynamic manufacture and packaging of gas mixtures containing a first component and a second component in predefined proportions, the first and second components being chosen from the group formed by O2, N2, He and N... | 07/15/2003 |
| 6456903 | Automatic foam solution regulation for compressed-air-foam-systems A signal generator is electrically coupled with a first sensor for sensing the conductivity of water and electrically coupled with a second sensor for sensing the conductivity of a foam solution that included a concentration of surfactant. One or more swi... | 09/24/2002 |
| 6418958 | Dual solid chemical feed system A solid chemical feed system, preferably including two feed bowls, comprises a quantity of solid chemicals that dissolve upon immersion in water to form a liquid solution. A sump is provided to receive liquid solution from the feed bowls, the liquid solut... | 07/16/2002 |
| 6247838 | Method for producing a liquid mixture having a predetermined concentration of a specified component A method and apparatus for producing a liquid mixture in which mixture components are mixed to produce a product stream having a predetermined concentration of a specified component. This mixing occurs within a fluidic network designed such that the compo... | 06/19/2001 |
| 6227695 | Automated liquid manufacturing system A method for continuously preparing a medium formulation mixes a diluent with a plurality of chemically incompatible concentrate solutions in such a manner that none of the ingredients of the concentrate solutions chemically react in an adverse manner. Th... | 05/08/2001 |
| 6077444 | Method for manufacturing a system for treating water A method of manufacturing a water treatment system for providing a flow of treated water having a pre-established quality, for example, a maximum TDS and permitted pH range, from a flow of reclaimed water having a quality poorer than the pre-established q... | 06/20/2000 |
| 6050283 | System and method for on-site mixing of ultra-high-purity chemicals for semiconductor processing A system and method for mixing and/or diluting ultrapure fluids, such as liquid acids, for semiconductor processing. The system includes first and second chemical dispensers, the first and second chemical dispensers adapted to contain first and second flu... | 04/18/2000 |
| 5993671 | Method for manufacturing a system for treating reclaimed water to provide treated water A method of manufacturing a water treatment system for providing a flow of treated water having a pre-established quality, for example, a maximum TDS and permitted pH range, from a flow of reclaimed water having a quality poorer than the pre-established q... | 11/30/1999 |
| 5960808 | Method of controlling the amount of sanitizing agent in an aqueous medium A method of controlling the amount of conductivity increasing substances, e.g., free available halogen, in particular free available chlorine, present in an aqueous medium is described. In accordance with the method of the present invention, an aqueous me... | 10/05/1999 |
| 5906048 | Process and prefabricated parts for producing branch pieces for pipes One or a plurality of valve-operated branch pieces can be attached to any point of any pipe. To this end, two opposite openings (16, 18) are made in the pipe (10), and a branch valve body is clamped about the pipe in bracket-like manner at the prepared si... | 05/25/1999 |
| 5855791 | Performance-based control system A method for detecting and controlling cooling system characteristics. A flow rate of make-up cooling medium is measured. A conductivity of the make-up cooling medium is measured. A conductivity of a recirculating cooling medium is measured. A treatment m... | 01/05/1999 |
| 5829466 | Fluid treatment system A system and method for treating a fluid flowing along a main fluid supply path in which a streaming current detector receives a sample flow of a main fluid supply following main dosing with a chemical under control of a streaming current detector output.... | 11/03/1998 |
| 5823219 | System and method for producing and maintaining predetermined proportionate mixtures of fluids A system and method for continuously producing and maintaining a predetermined proportionate mixture of two fluids, such as water and foam concentrate, in accordance with conductivity measurements of the fluids and the mixture. A set point is established ... | 10/20/1998 |
| 5800056 | Apparatus for diluting a solution and method for the same An apparatus for diluting a solution comprises a preparation vessel for mixing a solution with a diluent to dilute the solution, a solution supply unit, a diluent supply unit, and a controller. The controller controls the solution supply unit and the dilu... | 09/01/1998 |
| 5751599 | Probeless microprocessor based controller for open recirculating evaporative cooling systems An open recirculating evaporative cooling system includes a cooling tower or evaporative condenser (12) having a heated water inlet (20) and a water collection basin (22), a water supply (34) for supplying a volume of water to the cooling tower, a water s... | 05/12/1998 |
| 5647391 | Sensing arrangement for sensing the addition of reactants to a solution A sensing arrangement for sensing the addition of reactants to a solution within a tank which includes a first inlet, a second inlet, and a reactant supply controller for controlling the addition of reactants into the tank through the first and second inl... | 07/15/1997 |
| 5641410 | System for treating reclaimed water to provide treated water and corresponding method A water treatment system provides a flow of treated water having a pre-established quality, for example, a maximum TDS and permitted pH range, from a flow of reclaimed water having a quality poorer than the pre-established quality of the treated water and... | 06/24/1997 |
| 5576617 | Apparatus & method for measuring the average aspect ratio of non-spherical particles in a suspension Method and apparatus for obtaining the average aspect ratio of non-spherical particles in suspension. The particles are caused to orient generally in one direction and the conductivity of the particles are measured in such direction while simultaneously m... | 11/19/1996 |
| 5460446 | Device and method for preparing solution for medical use A device for preparing a solution for medical use from a liquid and at least one powdered or crystallized salt, comprising: a main line (11) having a first end connected to a source (10) of liquid and a second end for delivering the solution, at least one seco... | 10/24/1995 |
| 5398711 | Modular fluid characteristic sensor and additive controller A modular control is provided for sensing characteristics of a fluid and controlling the dispensing of additives into said fluid. The control is contained in a box-like housing having an openable wall which is sealable to a remainder of said housing in a ... | 03/21/1995 |
| 5318078 | Process for bottling beverages The invention concerns a process for controlling and/ or distinguishing liquids used in the brewing industry. To distinguish water, rinse water, different kinds of beer, and various non-alcoholic drinks with the help of technical measuring devices, a meas... | 06/07/1994 |
| 5284174 | System and method for producing and maintaining predetermined proportionate mixtures of fluids A system and method for producing and maintaining a predetermined proportionate mixture of two fluids, such as water and foam concentrate, in accordance with conductivity measurements of the fluids. A set point is established which is representative of th... | 02/08/1994 |
| 5253379 | Washing process Washing process in an industrial washing machine, whereby a property of the wash liquor is measured which is dependent on the concentration of detergent product therein, and detergent product is added to the wash liquor, dependent on the property, charact... | 10/19/1993 |
| 5137694 | Industrial solid detergent dispenser and cleaning system A cleaning system and dispenser are disclosed which feature a reservoir for retaining a liquid detergent solution; a chamber for retaining a mass of solid, dissolvable detergent; a measurement device for measuring the concentration of detergent in the liq... | 08/11/1992 |
| 5128606 | Aspect radio measurement A method and apparatus are disclosed for obtaining a measurement indicative of the aspect ratio of non-spherical particles in suspension. Conductivity of the suspension is measured for two different orientations of the particles between measuring points a... | 07/07/1992 |
| 4969480 | Method and apparatus for mixing and supplying fountain solution to printing press A fountain solution supply system for mixing and supplying a fountain solution, having two or more ingredients mixed in precise concentrations, from a reservoir to a printing press. The system includes a high-capacity pump connected to the reservoir. Subs... | 11/13/1990 |
