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| Number | Title | Issue Date |
| 6315901 | Liquid chromatography A liquid chromatography includes a mobile phase quantity integrator for calculating a quantity of a mobile phase used in the liquid chromatography and sent by a fluid pump after a waste fluid in a drainage reservoir has been emptied, a rinsing fluid quant... | 11/13/2001 |
| 6315894 | Automated effluence conditioning and treatment apparatus Automated process, conditioning and treatment apparatus and methods are disclosed that are particularly well adapted for closed loop systems using or producing aqueous effluence with varying amounts of suspended solids therein, the apparatus and methods d... | 11/13/2001 |
| 6312589 | Apparatus arranged to provide controllable water treatment customized to the conditions of water supplied to a beverage dispenser A modular water treatment apparatus is provided for soft drink postmix dispensers. The apparatus includes a basic filter unit and additional modules selected from booster pump, UV treatment, and ion exchange modules as needed to match situs water problems... | 11/06/2001 |
| 6309538 | Spa chemistry monitoring and chemical dispensing unit A self-contained and free floating spa chemistry monitoring and dispensing unit is provided for automated checking and adjusting of water chemistry in a spa tub or the like to maintain the spa water in a clean and substantially sanitary state. The unit in... | 10/30/2001 |
| 6309541 | Apparatus and method for multiple channel high throughput purification A multiple channel high throughput purification system for purifying a plurality of samples, preferably four or more samples from a chemical library. The high throughput purification uses chromatography, and more preferably, super critical fluid chromatog... | 10/30/2001 |
| 6303036 | Method and apparatus for efficient hemodiafiltration An apparatus and method for hemodiafiltration are disclosed. The apparatus includes a first dialyzer cartridge containing a semi-permeable membrane that divides the dialyzer into a blood compartment and a dialysate compartment. Fluid discharged from the b... | 10/16/2001 |
| 6303034 | Waste water ozonization process and apparatus During a waste water treatment process such as an activated-sludge process using microorganisms, the present invention ozonizes a microorganism-mixed liquid. It reduces the amount of microorganisms remaining, prevents a microorganism floc from sedimenting... | 10/16/2001 |
| 6303027 | Apparatus for controlling quality of treated water A treated water quality control system (10) has a sewage inflow estimating unit (1) for estimating an inflow of sewage and a process data storage unit (3) for storing process data on a sewage treatment plant (50). An estimated sewage inflow estimated by t... | 10/16/2001 |
| 6299761 | Water purifier system Ozone is generated and combined with water. The combined water and ozone are then mixed to provide a substantially homogeneous mixture which subsequently is transported along a confined flow path having a length sufficient to provide substantially complet... | 10/09/2001 |
| 6296771 | Parallel high-performance liquid chromatography with serial injection High-performance liquid chromatography (HPLC) methods and systems are disclosed that combine sequential, serial injection of a plurality of samples into mobile-phases supplied in parallel to two or more chromatographic columns, such that staggered, parall... | 10/02/2001 |
| 6294090 | Adsorptive substance separation device An adsorptive separation device is disclosed having at least one spiral wound adsorption membrane situated around the periphery of a core mandrel wherein the flow is radial from a feed plenum situated between the core mandrel and the membrane, through the... | 09/25/2001 |
| 6294084 | Electric powered automatic swimming pool cleaning system A system for automatically cleaning swimming pools includes a unitary body having a level control subsystem for selectively moving the body to a position either proximate to the surface of the water pool or proximate to the interior surface of the contain... | 09/25/2001 |
| 6287461 | Tandem system for adsorptive separation Adsorptive separation is performed on liquid media by directing the media containing a target substance through an adsorber stage A whereby the target substance is adsorbed; in the last phase of loading stage A and prior to breakthrough of the target subs... | 09/11/2001 |
| 6284141 | Method and system for preventing intradialytic symptomatology Methods and apparatus are disclosed for conducting blood treatment procedures. The method includes conducting the treatment procedure such as dialysis at a first efficiency until a limit value is reached, and then altering the first efficiency to a second... | 09/04/2001 |
| 6284131 | Method and apparatus for kidney dialysis A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to confirm the absence of ultrafiltration during bypass; automati... | 09/04/2001 |
| 6280632 | Device and method for preparation of substitution solution Apparatus and methods for providing sterile substitution solutions from a dialysis fluid used in connection with the treatment of a patient's blood in an extracorporeal circuit are disclosed. The apparatus includes pumps or valves for comparing the flow o... | 08/28/2001 |
| 6280611 | Water suction powered automatic swimming pool cleaning system A method and apparatus powered from the suction side of a pump for cleaning the interior surface of a pool containment wall and the upper surface of a water pool contained therein. The apparatus includes an essentially unitary cleaner body and a controlle... | 08/28/2001 |
| 6270658 | Drinking water supply apparatus To bring maximum sterility in a stationary drinking water supply installation with a water tank, the invention provides a method for filling a drinking water installation in which, after filling a tank with fresh water, the water is circulated at least ov... | 08/07/2001 |
| 6267878 | Apparatus for the treatment of water by injection of ozone and carbon dioxide A process and device for treatment of water circulating in a conduit, which water carries microorganisms that must be eliminated and ions susceptible of leading to the formation of deposits on the internal wall of the conduit. To this end, there is inject... | 07/31/2001 |
| 6251286 | Accumulating automatic skimmer A floating skimmer is used for automatically removing oil and other floating matter from the surface of liquid surrounding the skimmer, preferably in a basin or sump. Floats around the periphery and above the general body of the skimmer provide flotation ... | 06/26/2001 |
| 6251284 | Systems and methods which obtain a uniform targeted volume of concentrated red blood cells in diverse donor populations Blood separation systems and methods draw whole blood from a blood donor selected from a population of blood donors. The whole blood of the selected blood donor has a known hematocrit value that varies within the population of blood donors according to mo... | 06/26/2001 |
| 6251267 | Apparatus for supercritical fluid extraction An apparatus for supercritical extraction is disclosed herein. The apparatus includes a plurality of containers adapted to hold a different one of a corresponding plurality of samples, a first transport means for carrying the plurality of sample container... | 06/26/2001 |
| 6251264 | Water purification apparatus A method for purifying water containing organic matter includes dispersing photo-catalyst particles and an inorganic coagulant into the water; oxidizing the organic matter by activating the photo-catalyst particles by irradiating them with light; maintain... | 06/26/2001 |
| 6248231 | Apparatus with voraxial separator and analyzer A voraxial separator and analyzer apparatus includes a composite fluid passing tube having a tube upstream segment and a tube downstream segment; a rotation acceleration vane structure rotationally mounted within the tube upstream segment and being orient... | 06/19/2001 |
| 6244929 | Chemical-mechanical-polishing system with continuous filtration A chemical-mechanical-polishing system having a slurry distribution system, a polisher, a deionized water supply, and a drain, includes a slurry filtration system. The filtration system has two filters for alternately filtering particles in slurry and bei... | 06/12/2001 |
| 6241896 | Auto dosage determination method and apparatus for coagulant control in the treatment of water A method and apparatus for treating water by the addition of coagulants comprising the steps of measuring the two parameters of the color and turbidity of the untreated water, determining the control parameter on the basis of the measurement results obtai... | 06/05/2001 |
| 6238555 | Amperometric halogen control system An amperometric bromine control system accurately maintains a desired concentration of bromine within a home spa or in other water features. The control system employs amperometric sensing to measure the bromine concentration in the spa water and uses thi... | 05/29/2001 |
| 6235200 | Method and apparatus for controlling recharging of water conditioning apparatus A controller and corresponding method have been developed for controlling recharging of a water conditioning apparatus. The apparatus includes an input component for receiving measurements of water usage by the apparatus, a storing component configured to... | 05/22/2001 |
| 6228256 | Apparatus for cleaning a pool bottom having a sand bed The invention relates to a method and an apparatus for cleaning the sand beds of slow sand filters, infiltration basins and pools of other types having sand beds in water treatment works and similar plants, while the filter is in service, by removing a fe... | 05/08/2001 |
| 6228255 | Portable water treatment facility The present invention discloses a portable water treatment facility. The water treatment facility has housing on castors. The housing houses the water treatment member. The housing has various doors which are locked to make the housing tamper resistant. T... | 05/08/2001 |
| 6214219 | Knock-down separation of emulsions Water-in-oil emulsions, particularly used invert water-in-oil drilling fluid, are separated into an aqueous component and an oil component by passing the emulsion through a knock down tube having an outer member, the outer member having a receiving end an... | 04/10/2001 |
| 6214214 | Water treatment system with purge valve responsive to fluid signals A water treatment system including a pair of water treatment tanks, each tank defining a flow path extending from a tank inlet to a tank outlet and containing a water treatment material disposed along the flow path for treating water as it travels from th... | 04/10/2001 |
| 6200485 | Hemofiltration system and method A multipurpose hemofiltration system and method are disclosed for the removal of fluid and/or soluble waste from the blood of a patient. The system and method are equally applicable to adult, pediatric and neonatal patients. In one embodiment, the system ... | 03/13/2001 |
| 6200466 | Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation A reactor system for decontamination of water by photolytic oxidation utilizing near blackbody radiation, the system comprising (1) a reaction chamber defining an internal space with an inlet and an outlet; and (2) a broadband radiator for generating radi... | 03/13/2001 |
| 6197202 | Systems and methods for estimating platelet counts using a spleen mobilization function Systems and methods separate platelets from a selected donor. The systems and methods convey anticoagulated blood containing plasma and platelets from the selected donor into the separation device for separating into a plasma yield and a platelet yield. T... | 03/06/2001 |
| 6180001 | Apparatus for separating light and heavy phase liquids A quenchant management system having a quenchant separation module for separating a heavy phase polymer such as polyalkylene glycol (PAG) from water. The quenchant separation module includes a heating section for elevating the temperature of the fluid to ... | 01/30/2001 |
| 6180000 | Surgical waste liquid and smoke disposal system A waste liquid and smoke disposal system which combines the functions of a smoke extraction system and a waste (typically, liquid) collection system, typically in, but not limited to, a surgical environment. The smoke extraction system and the liquid wast... | 01/30/2001 |
| 6177018 | Dosing mechanism to feed germicide or disinfectant into a water supplied supply device and the use thereof Dosing mechanism to feed germicide or disinfectant into a water supplied supply device in order to provide disinfected water for consumers. Said dosing mechanism comprises a disinfectant storage tank (12), pathway for water flow (20) leading to at least o... | 01/23/2001 |
| 6174447 | Process and devices for fluid separation of whole blood as a mixture of liquids into individual, differently-colored blood constituents, in particular for separation of concentrated thrombocytes from buffy coat The invention relates to a method for fluid separation of whole blood as a mixture of liquids into individual, differently-colored blood constituents, which blood is packed in flexible containers, in particular bags, wherein the bags are connected to one ... | 01/16/2001 |
| 6171480 | Automated closed recirculating aquaculture filtration system The present invention relates to computer automated upflow bead filter systems. These systems typically include a bead bed; in situ sensors/transducers for monitoring dissolved oxygen, differential pressure across the filter, water flow, pH, oxidation-red... | 01/09/2001 |
