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| Number | Title | Issue Date |
| 7343759 | Removal of volatile vapors from a storage vessel Volatile vapors are removed from a storage vessel by establishing a flow of a stream of volatile vapors from the storage vessel and directing the stream through a first low temperature condenser for condensing a portion of the stream flowing through the first low te... | 03/18/2008 |
| 7073349 | Lyophilization method and apparatus for producing particles A method and apparatus for producing particles, the apparatus includes a solution source that supplies a solution, and a fluid source that supplies a fluid. The solution includes a solvent and a solute. A mixer receives the solution and the fluid from the sources, a... | 07/11/2006 |
| 7017367 | Method of controlling progressive freeze-concentration In a method of controlling progressive freeze-concentration by circulating a cooling medium through a cooling-medium flow route while circulating a target liquid for freeze-concentration through a target-liquid flow route so as to gradually form ice crystals on wall... | 03/28/2006 |
| 6931888 | Lyophilization method and apparatus for producing particles A method and apparatus for producing particles, the apparatus includes a solution source that supplies a solution, and a fluid source that supplies a fluid. The solution includes a solvent and a solute. A mixer receives the solution and the fluid from the sources, a... | 08/23/2005 |
| 6413444 | Methods and apparatus for producing phase change ice particulate saline slurries A phase change particulate saline slurry and methods and apparatus are provided for producing phase change particulate saline slurries. One method for producing phase change particulate saline slurries includes the steps of providing a liquid with a set p... | 07/02/2002 |
| 6156210 | Method for treating water An apparatus for treating water to produce potable water includes a filter connected to an inlet of a heating unit in turn connected at an outlet to an input of a container with cooling components for separating out heavy water. The heavy water separator ... | 12/05/2000 |
| 5072600 | Wash column ice-pack bottom detection device Apparatus comprising a vessel capable of receiving a variable supply of an aqueous ice slurry in which an upper packed ice bed can float on an aqueous volume; a hollow conduit having a first end located in the lower internal space of the vessel and a seco... | 12/17/1991 |
| 5002658 | Water purification device and method A vessel is provided with a flexible plastic tube containing an electrical contact switch. Impure water is added to the vessel between the tube and the wall of the vessel. The vessel is then placed in a home freezer. Upon partial freezing of the impure wa... | 03/26/1991 |
| 4786407 | Plant for treatment of sediment of natural and waste waters A plant for treatment of sediment of natural and waste waters comprises a crystallizer (1), a melter (2), a condensing heat exchanger (4), a compression refrigerating unit (3) communicating with the crystallizer (1) and the melter (2) which is in communic... | 11/22/1988 |
| 4632809 | Apparatus for the crystallization/separation of material mixtures A crystallization/separation apparatus is disclosed for material mixtures having vertical crystallization column, cooling and heating devices, feeding-in and withdrawal connections, pumps, valves, connecting conduit tubings and drive motor, a cylindrical ... | 12/30/1986 |
| 4623372 | Crystallization process An improved crystallization process is disclosed for separating a crystallizable material and an excluded material which is at least partially excluded from the solid phase of the crystallizable material obtained upon freezing a liquid phase of the materi... | 11/18/1986 |
| 4597768 | Method for treatment in counter current of suspended particles with a liquid A method for treating in counter current of suspended particles with a liquid, whereby the particles and the liquid are transferred in opposite directions through a contact zone which, at some places, spaced in axial direction, is stirred in planes perpen... | 07/01/1986 |
| 4517806 | Apparatus for separating ice from a slurry and washing the ice Apparatus for separating ice from concentrated liquid and washing the ice, including a vessel having a bottom and vertical wall joined to the bottom; a plurality of vertical tubular members in the vessel extending upwardly from the bottom; perforations in... | 05/21/1985 |
| 4474031 | Heatpump A system for extracting heat from low temperature water includes a source of water at a temperature between approximately 0° C. and 10° C. and a heat pump removing heat from the water and transporting it for transfer to an external heating circuit. The ... | 10/02/1984 |
| 4387368 | Telemetry system for centrifugal water chilling systems A telemetry system for reporting the status of a number of physical parameters occurring during operation of industrial equipment, such as the monitoring of refrigeration/air conditioning safety controls and anticipatory refrigeration controls. Activation... | 06/07/1983 |
| 4262790 | System for separating paraffin from oil in refineries Apparatus for separating paraffin from oil in refineries wherein such separation is accomplished by a cooling process, in a heat exchanger, the apparatus controlling the cooling process by sensing either the pressure upstream of the heat exchanger and dir... | 04/21/1981 |
| 4177051 | Method and apparatus for separation, refinement, extraction and/or concentration by liquation Method and apparatus for separation of mixtures wherein a mixture is cooled very slowly in a quiescent, nondisturbed condition to produce large dendritic crystals of solidified solvent, then heated very slowly while liquid of high solute concentration is ... | 12/04/1979 |
