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| Number | Title | Issue Date |
| 4154644 | Pulp washer A horizontal, Fourdrinier foraminous belt type, countercurrent, high-capacity, cellulose pulp washer is described. The described washer is equipped with a hood positioned over a portion of the belt and over vacuum boxes or receptacles under the upper loop... | 05/15/1979 |
| 4151088 | Membrane diffusion device with integral heat exchanger and reservoir A diffusion system for blood including a membrane diffusion device comprising a plurality of blood flow paths positioned in interleaving diffusion exchange relation, with second fluid flow paths positioned on opposite sides of semi-permeable membrane mean... | 04/24/1979 |
| 4140635 | Purification device A purification device for utilizing a gas to purify a liquid, principally useable as an artificial lung, and employs a simple mixing tube so as to assure the mixing of a purification gas with the liquid, with the liquid and gas mixture exiting from the mi... | 02/20/1979 |
| 4137160 | Device for separating low density material such as gas bubbles from a liquid, and the use thereof in a dialysis delivery system A device, which may be used in a dialysis system, is disclosed for separating low density material such as gas bubbles from a liquid by swirling the liquid, to cause the bubbles to migrate toward the center of the swirling liquid. A liquid storage chamber... | 01/30/1979 |
| 4102655 | Bubble trap A bubble trap comprising a closed container for holding liquid, an inlet extending through the container bottom upward within the container to an inlet opening spaced below the container top, the container having a larger cross-sectional area exclusive of... | 07/25/1978 |
| 4096065 | Apparatus for aerobic treatment of activated sludge In an apparatus for the gasification of a biomass in an aqueous medium in the presence of organic substances degradable by the biomass, comprising a gasification tank, and a clearing chamber for the gasified water-containing biomass provided concentricall... | 06/20/1978 |
| 4094789 | Sulfur gas removing and solid particle filter for well water An elongated horizontal housing is provided including a pair of longitudinally spaced interior baffles dividing the interior of the housing into first, second and third compartments spaced longitudinally therealong. Filter material is disposed between the... | 06/13/1978 |
| 4085047 | Blood leak detector A blood leak detector includes a housing having top and bottom walls and opposed end walls. Dialysate fluid is received in the housing through a port formed in the bottom wall and is directed upwardly through the housing to an outlet port formed in the to... | 04/18/1978 |
| 4061031 | Combination of flow meter and bubble trap Combination of a flow meter and a bubble trap for blood which has been extracted for extra-corporeal treatment, in particular for dialysis. Said combination comprises a container divided by a vertical partition wall into a vertically elongated inlet chamb... | 12/06/1977 |
| 4059517 | Liquid separation apparatus and method Apparatus and a method for gravity separating lighter and heavier liquids are disclosed, the apparatus including a vessel with its interior divided by a horizontal baffle into upper and lower spaces, which are in communication at one end. The horizontal b... | 11/22/1977 |
| 4054522 | Apparatus for exposing a fluid to a negative pressure Apparatus for exposing a fluid to a negative pressure particularly for degassing liquid containing a gas comprises a double acting piston/cylinder unit of which the cylinder is divided into two chambers by the piston, the volume of one chamber swept by th... | 10/18/1977 |
| 4054523 | Cardiotomy reservoir with integral filter A reservoir for holding and reprocessing foamy shed blood prior to reintroduction to a patient, the reservoir comprising a holding chamber divided by a filter into two sub-chambers, a foam killing chamber in open communication with one of the sub-chambers... | 10/18/1977 |
| 4014790 | Apparatus for recycling filtration media A filtration system discharging dry sludge material comprising filter aid material and contaminants removed from the liquid which have all been subjected to heat and mechanical action. These materials are conveyed from the discharge of the filtration syst... | 03/29/1977 |
| 3992297 | Oil separator device This invention provides a separator for two relatively insoluble mixed liquids of different specific gravities as, for example oil and water. More particularly the invention relates to a bilge oil separating system (BOSS), or apparatus and includes a floa... | 11/16/1976 |
| 3976574 | Negative pressure control system A dialysate flow control system is disclosed for an artificial kidney machine. The flow control system produces dialysate flow at negative pressure through the dialyzer and comprises a flow controller and first pump upstream of the dialyzer and a second p... | 08/24/1976 |
| 3966537 | Device for waste heat recovery and sand removal in the Bayer process In the manufacture of alumina by the Bayer process, a method comprising the steps of bringing the overflow from a multistage red mud thickener into counterflow contact with the steam generated in consequence of the flashing of bauxite-dissolved slurry so ... | 06/29/1976 |
| 3958963 | Filter for liquids capable of containing a gas A filter for liquids capable of containing a gas including a chamber for through-passage of a gas-charged liquid and which is subdivided into an upstream compartment and a downstream compartment by a filtering element, preferably in the form of a cylindri... | 05/25/1976 |
