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| Number | Title | Issue Date |
| 6228172 | Tumble coating In cooler used for coating a product such as food with a uniform layer of a liquid coating material, the mass of the product is measured either in the cooling chamber or just before it is introduced into the cooling chamber; the mass of a liquid cryogen w... | 05/08/2001 |
| 6192697 | System and method for determining heat transfer in an environment Systems and methods are disclosed for determining heat transfer in an environment. In one system, heat transfer is determined with a probe including at least one element, a power supply, an amplifier, a temperature monitor, a timing structure, and a syste... | 02/27/2001 |
| 6038868 | Freezer apparatus Apparatus and methods for freezing products, such as food products, in which a breathable liquid cryogen is sprayed onto the products as they are conveyed into the insulated enclosure of a mechanical conveyor freezer. Some of the cryogen vaporized through... | 03/21/2000 |
| 6007859 | Method of coating a product with a liquid coating in a cooling chamber In cooler used for coating a product such as food with a uniform layer of a liquid coating material, the mass of the product is measured either in the cooling chamber or just before it is introduced into the cooling chamber; the mass of a liquid cryogen w... | 12/28/1999 |
| 5987971 | Interlock for a storage tank used in containing a respirable liquid cryogen An sensor for sensing buoyancy force within a liquid mixture stored within a storage tank and an interlock employing the sensor to prevent a respirable cryogenic mixture from being dispensed from the storage tank with an unsafe oxygen content. The sensor ... | 11/23/1999 |
| 5942684 | Buoyancy force sensor for a hydrometer and interlock for a storage tank used in containing a respirable liquid cryogen A sensor for sensing buoyancy force within a liquid mixture stored within a storage tank and an interlock employing the sensor to prevent a respirable cryogenic mixture from being dispensed from the storage tank with an unsafe oxygen content. The sensor h... | 08/24/1999 |
| 5836166 | Cooling apparatus The present invention provides a food freezing apparatus and method in which food is passed through an elongated tube in which it is subjected to both crust and atmospheric freezing before being removed for packing. The crust freezing is facilitated by sp... | 11/17/1998 |
| 5813237 | Cryogenic apparatus and method for spraying a cryogen incorporating generation of two phase flow An apparatus and method for spraying a cryogen in which a heat load is sprayed with a cryogen from one or more spray nozzles within a spray zone. A heat conductive element is positioned below the article and is provided with a surface sized to catch the l... | 09/29/1998 |
| 5778680 | Apparatus for storing a multi-component cryogenic mixture within a container An apparatus is provided for storing a multi-component cryogenic mixture as a liquid. The multi-component cryogenic mixture of interest contains at least first and second components. The first component is more volatile than the second component and the s... | 07/14/1998 |
