Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7638047 | Water filter having zeolite layers and activated carbon layer A water filter for filtering raw water into potable water having a series of media layers in the following order: 1) sand to gravel or coarse silica; 2) zeolite; 3) activated carbon; 4) a second layer of sand to gravel or coarse silica; and 5) a second layer of zeol... | 12/29/2009 |
| 7588684 | Systems and methods for handling air and/or flushing fluids in a fluid circuit Systems and methods handle air and rinsing fluid during fluid processing. The systems and methods eliminate air from a fluid processing system prior to, during, and after use. The systems and methods provide a connector assembly for establishing fluid flow from a fl... | 09/15/2009 |
| 7575679 | Process and equipment for treating ammonium containing liquid The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing ... | 08/18/2009 |
| 7429324 | Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt... | 09/30/2008 |
| 7429320 | Wastewater treatment system A method and apparatus for remediating a failing wastewater treatment system comprising (a) a positive oxygen and ozone-generating, or ozone-generating only, pressure pump having an output, (b) a tube having a first end and a second end, the first end being attachab... | 09/30/2008 |
| 7429325 | Device for a body fluid bag A device (2) for a body fluid bag, includes a filtering part (5) and a retransfusion part (6), the filtering part (5) having a filtering part inlet opening (7) and a filtering part outlet opening (8). The outlet opening (... | 09/30/2008 |
| 7419608 | Treating method and equipment for coke-cooling wastewater The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool... | 09/02/2008 |
| 7402246 | Systems and methods using multiple solvents for the removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 07/22/2008 |
| 7402245 | Digested sludge treatment apparatus A first aspect of the present invention relates to a digested sludge treatment apparatus for treating digested sludge generated by subjecting organic waste matter to anaerobic digestion, comprising: an apparatus for decarbonating the digested sludge; a removal appar... | 07/22/2008 |
| 7387734 | Method of operating a dialysis machine A method and apparatus of priming or rinse back of an extracorporeal circuit using a dialysis machine comprising a dialysis liquid preparation system. The dialysis machine is used to prepare a saline solution on-line. The extracorporeal circuit is connected to the d... | 06/17/2008 |
| 7387728 | Animal powered mechanical device for water desalination This invention provides animal powered mechanical device for water desalination. It has unique features of using animal power as prime mover to effect brackish water desalination. Animal energy in form of high-torque low-speed can be converted into low-torque high-s... | 06/17/2008 |
| 7374677 | Two stage hemofiltration that generates replacement fluid The present invention relates to a system for two-stage blood dialysis of a patient. In one embodiment, the system comprises a first filtration device for receiving the blood from the patient and for producing a first filtrate and processed blood. The system further... | 05/20/2008 |
| 7370701 | Wellbore completion design to naturally separate water and solids from oil and gas A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The w... | 05/13/2008 |
| 7364657 | Integrated system for on-site cell acquisition, processing, and delivery Numerous embodiments of a system and method for treating cardiac tissue are described. In one embodiment, bone marrow cells are extracted from a patient. The cells are then processed to isolate mononuclear cells, which can then be delivered back near the cardiac tis... | 04/29/2008 |
| 7364658 | Systems and methods using multiple solvents for removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 04/29/2008 |
| 7353956 | Blood collection systems including a flexible filter Blood collection systems include an integral flexible filter to remove leukocytes from blood components. ... | 04/08/2008 |
| 7351344 | Sterile system and method for filtering biological or medical liquids, especially blood or blood constituents The invention relates to a sterile system and a method for filtering biological or medical liquids, especially blood or blood constituents. According to the filtering system and method, the sterile air already in the system is collected before the beginning of the f... | 04/01/2008 |
| 7329341 | Wastewater treatment device A wastewater treatment device treats nitrogen wastewater containing hydrogen peroxide by using micro/nano bubbles generated in a micro/nano bubble reaction tank. Thereby, activity of microbes is increased in next denitrification tank and nitrification tank, so that ... | 02/12/2008 |
| 7314554 | Extracorporeal blood treatment machine The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit compris... | 01/01/2008 |
| 7309428 | Apparatus for separating components from blood plasma The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated an... | 12/18/2007 |
| 7300636 | Method for producing a dialysate solution A single housing comprising a diluent inlet, a solution outlet, and a plurality of discrete reagent beds comprising at least one reagent in dry form, wherein said reagent is present in the discrete reagent bed in a proportion sufficient for production of a complete ... | 11/27/2007 |
| 7300413 | Blood processing machine and system using fluid circuit cartridge A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the extracorporeal fluid circuit. The first and second panels are oriented in a flui... | 11/27/2007 |
| 7297262 | Hollow fiber contactor systems for removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid, such as plasma, or from lipid-containing organisms. These systems contact a fluid with an extraction solvent, which causes the lipids in the fluid to separate from the fluid or cause... | 11/20/2007 |
| 7297261 | Systems and methods using a solvent for the removal of lipids from fluids Systems and methods for removing lipids from a fluid, such as plasma, or from lipid-containing organisms. A fluid is combined with at least one extraction solvent, which causes the lipids to separate from the fluid or from lipid-containing organisms. The separated l... | 11/20/2007 |
| 7291269 | Apparatus and process for extracorporeal treatment of blood with selective extraction of solutes A device and method for an extracorporeal blood treatment is described. The device comprising at least one exchanger equipped with at least one first inlet for the blood to be treated, a first fluid outlet and a second fluid outlet, an input line for blood to be tre... | 11/06/2007 |
| 7276155 | Waste treatment apparatus with integral membrane apparatus A wastewater treatment method and apparatus including a denitrification (anoxic) chamber for denitrifying wastewater, an aeration basin with Bio-Wheel for aerating the wastewater, and a membrane device in which sludge particles are separated out of the wastewater, l... | 10/02/2007 |
| 7264716 | Membrane filtration manifold system A membrane filtration manifold for connecting a filter submodule including one or more elongate bundles of semipermeable polymeric fibers is provided. The manifold includes a housing and connecting collar connected with said housing. The collar is adapted to receive... | 09/04/2007 |
| 7241281 | Blood component separation method and apparatus An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be placed into container adapted to fit into a centrifuge for separation o... | 07/10/2007 |
| 7232525 | Automatic tank cleaning system An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycli... | 06/19/2007 |
| 7226538 | Fluid processing apparatus Systems and methods handle air and rinsing fluid during fluid processing. The systems and methods eliminate air from a fluid processing system prior to, during, and after use. The systems and methods provide a connector assembly for establishing fluid flow from a fl... | 06/05/2007 |
| 7217368 | Method and apparatus for liquid treatment with combined electronic and centrifugal processes to remove contaminants An apparatus and method for treating dirty water or other liquids containing particles of varying size includes a magnetic treatment unit and a centrifugal separator through which the liquid flows as a stream in sequence. The magnetic treatment unit causes very smal... | 05/15/2007 |
| 7214312 | Fluid circuits, systems, and processes for extracorporeal blood processing A sterilized fluid management kit for use in renal replacement therapy isolates a replacement fluid container from touch contamination and provides for sterilization of replacement fluid by filtering using an installed filter that is hermetically connected to the re... | 05/08/2007 |
| 7201848 | Methods and apparatus for separation of particles The present invention is directed to a method and system that separates first particles from second particles, or white blood cells from red blood cells, by sedimentation in a fluid chamber with debulking of one of the first or second particles or red blood cells th... | 04/10/2007 |
| 7198717 | Anoxic biological reduction system The anoxic biological reduction system and method for treating wastewater may be an anoxic biological reduction element disposed in a membrane anaerobic stabilization system. The wastewater may be treated to produce an effluent suitable for membrane filtration with ... | 04/03/2007 |
| 7195710 | Systems and methods using multiple solvents for the removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 03/27/2007 |
| 7186231 | Blood component collection method An object is to provide a blood component collection system capable of collecting a desired blood component of high quality. A blood component collection system 1 comprises a centrifugal separator 20 centrifuging blood into a plurality of components, f... | 03/06/2007 |
| 7186342 | Method for filling and washing a filter for a dialysis machine A dialysis machine is provided with a dialysate circuit, a blood circuit and a filter having a dialysate compartment connected to the dialysate circuit, a blood compartment connected to the blood circuit, and a semi-permeable membrane to separate the dialysate compa... | 03/06/2007 |
| 7166217 | Methods and apparatuses for blood component separation A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a container set having a separation container adapted to be disposed in the sep... | 01/23/2007 |
| 7160723 | Cell separation compositions and methods The invention provides compositions and methods for cell separation. These reagents and techniques specifically agglutinate cells via surface antigen recognition and can be used to recover even rare cell types in high yield. ... | 01/09/2007 |
| RE39449 | Apparatus for cryopreservation and recovery of red blood cells A system dynamically adjusts the delivery rate of a cryopreservation solution to red blood cells to permit freezing. The delivery rate is preferably determined according to an equation that maintains a linear change of red blood cell osmolarity over time so as to pr... | 12/26/2006 |