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| Number | Title | Issue Date |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the compressed air. The liquid passes through the vaporizer generally downward... | 03/04/2008 |
| 7287390 | Optical pumping modules, polarized gas blending and dispensing systems, and automated polarized gas distribution systems and related devices and methods Hyperpolarizers for producing polarized noble gases can include: (a) a control module configured to direct the operation of a hyperpolarizer to produce polarized noble gas via spin-exchange interactions between a noble gas and an alkali metal; (b) at least one optic... | 10/30/2007 |
| 7287391 | Automated modular hyperpolarizers and related devices and methods Modular expandable hyperpolarizers include a central control module and at least one optical pumping module that can be expandable to a plurality of optical pumping modules that can be separately operated depending on the capacity demands at the production site (hos... | 10/30/2007 |
| 7278278 | Cryogenic storage system The present invention provides devices and methods for the cryogenic storage of biological material. Devices of the invention are useful for storing material at a cryogenic temperature. The devices include a temperature chamber defined by a thermally-conductive cont... | 10/09/2007 |
| 7263840 | Automatic LN2 distribution system for high-purity germanium multi-detector facilities A cryogenic fluid distribution device may include a fluid flow passage for distributing cryogenic fluid to an apparatus, an overflow passage positioned downstream of the apparatus, and a sensor coupled to the overflow passage, the sensor having an active component f... | 09/04/2007 |
| 7170594 | Device for polymerase chain reactions A detection device includes a housing containing a chamber configured to receive a specimen, a heating element disposed in the chamber, and an optical window to permit observation of the chamber. The housing includes a passage configured to allow fluid flow through ... | 01/30/2007 |
| 7131278 | Tank cooling system and method for cryogenic liquids A system and method to transfer a cryogenic liquid from a station tank system to a recipient tank is provided. At least a part of said cryogenic liquid is stored at a first pressure higher than the pressure in said recipient tank and is cooled to a temperature below... | 11/07/2006 |
| 7036324 | Hydrogen storage and supply system This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus and a cryosorptive sto... | 05/02/2006 |
| 7028489 | Over-pressurization protection system for cryogenic vessel A dual purpose recirculation valve system for a cryogenic vessel includes a fill line, a delivery line assembly, a recirculation line and a recirculation valve. The cryogenic vessel defines a storage space and includes a pressure monitoring device structured to moni... | 04/18/2006 |
| 6995641 | Hyperpolarized gas containers, solenoids, transport and storage devices and associated transport and storage methods A compact portable transport unit for shipping hyperpolarized noble gases and shielding same from electromagnetic interference and/or external magnetic fields includes a means for shifting the resonance frequency of the hyperpolarized gas outside the bandwidth of ty... | 02/07/2006 |
| 6910337 | Method and apparatus for storing liquids and liquefied gases The invention relates to a method for storing liquefied zeotropic gas mixtures. To ensure a composition of the liquid phase which meets specifications, the change of the gas phase is determined by means of a differential pressure transducer by comparing the pressure... | 06/28/2005 |
| 6834508 | Hydrogen storage and supply system This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus and a cryosorptive sto... | 12/28/2004 |
| 6732791 | Hydraulic oil cooler and supplying vessel pressure stabilizer A fluid delivery system, for e.g. a vehicle, includes a tank for holding fluid product, such as propane, a pump for pumping the fluid product from the tank, the pump being driven by hydraulic fluid, and a heat exchanger for using the fluid product to cool the hydrau... | 05/11/2004 |
| 6644039 | Delivery system for liquefied gas with maintained delivery tank pressure A delivery system for transferring a delivery fluid from a delivery tank to a customer tank while maintaining a predetermined vessel pressure in the delivery tank, including a pump assembly pumping fluid from the delivery tank and a piping system passing ... | 11/11/2003 |
| 6591617 | Method and apparatus for hydrogen storage and retrieval A method is provided for delivering gaseous hydrogen to end users, the hydrogen being delivered in reusable storage tanks containing a plurality of carbon nanotubes. Liquid hydrogen is introduced into the tank, and the nanotubes absorb the hydrogen. The t... | 07/15/2003 |
| 6584781 | Methods and apparatus for compressed gas The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a give... | 07/01/2003 |
| 6584780 | System for storing dissolved methane-base gas A system stores densely dissolved methane-base gas and supplies gas of a predetermined composition. A container (10) stores methane-base gas dissolved in hydrocarbon solvent and supplies it to means for adjusting composition, through which an object of re... | 07/01/2003 |
| 6578365 | Method and system for supplying vaporized gas on consumer demand A method and a system for supplying pressurized gas from a liquefied-gas (LG) storage tank, the method including the steps of: (a) providing a system including: (i) a storage tank for storing liquefied gas, the tank having a lower liquid region and a vapo... | 06/17/2003 |
| 6566875 | Portable hyperpolarized gas monitoring systems, computer program products, and related methods using NMR and/or MRI during transport A system, method, and computer program products and associated apparatus, to monitor and determine the polarization level of a quantity of hyperpolarized gas during transport. A portable device is configured to transmit an excitation pulse and analyze a r... | 05/20/2003 |
| 6523356 | Meted hyperpolarized noble gas dispensing methods and associated devices Methods of dispensing meted quantities of hyperpolarized gas to form a hyperpolarized gas mixture include pre-filling a gas syringe with a quantity of non-polarized gas, then introducing the hyperpolarized gas therein while the non-polarized gas is held t... | 02/25/2003 |
| 6470690 | Method and apparatus for supplying vaporized gas on consumer demand A method of supplying vaporized gas from a storage tank storing the gas in liquified form in a lower liquid region and having a vapor region thereover, the method including employing an external source of heat to heat a heat exchange liquid to no more tha... | 10/29/2002 |
| 6430939 | Hyperpolarized gas containers,solenoids, transport and storage devices and associated transport and storage methods A compact portable transport unit for shipping hyperpolarized noble gases and shielding same from electromagnetic interference and/or external magnetic fields includes a means for shifting the resonance frequency of the hyperpolarized gas outside the band... | 08/13/2002 |
| 6360546 | Fluid storage and dispensing system featuring externally adjustable regulator assembly for high flow dispensing A fluid storage and dispensing system including a fluid storage and dispensing vessel enclosing an interior volume for holding a fluid. The vessel includes a fluid discharge port for discharging fluid from the vessel. A pressure regulating element in the ... | 03/26/2002 |
| 6286319 | Meted hyperpolarized noble gas dispensing methods and associated devices Methods of extracting and removing hyperpolarized gas from a container include introducing an extraction fluid into the container to force the hyperpolarized gas out of an exit port. The hyperpolarized gas is forced out of the container separate and apart... | 09/11/2001 |
| 6257016 | Apparatus for dispensing dry ice A dry ice dispenser apparatus for dispensing a metered volume of dry ice into a receiving well. The apparatus includes a dry ice source, such as a hopper, or a dry ice producing apparatus for supplying dry ice to a metering carriage. The metering carriage... | 07/10/2001 |
| 6148636 | Apparatus for dispensing dry ice A dry ice dispenser apparatus for dispensing a metered volume of dry ice into a receiving well. The apparatus includes a dry ice source, such as a hopper, or a dry ice producing apparatus for supplying dry ice to a metering carriage. The metering carriage... | 11/21/2000 |
| 6076359 | System and method for controlled delivery of liquified gases Provided is a novel system and method for delivery of a gas from a liquified state. The system includes: (a) a compressed liquified gas cylinder having a gas line connected thereto through which the gas is withdrawn; (b) a gas cylinder cabinet in which th... | 06/20/2000 |
| 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 |
| 5964094 | Method and apparatus for mixing liquefied gases A method of and apparatus for mixing two cryogenic liquids in which a first amount of first cryogenic liquid is introduced into a vented vessel having one or more vents. The vent or vents are then closed and a second amount of a second cryogenic level is ... | 10/12/1999 |
| 5916246 | System and method for transferring liquid carbon dioxide from a high pressure storage tank to a lower pressure transportable tank Both an system and method are provided for transferring liquid carbon dioxide from a storage tank pressurized at 300 psi to a truck-transportable tank pressurized at about 110 psi. The system includes an inlet conduit having a hose portion connected betwe... | 06/29/1999 |
| 5598708 | Phase responsive fluid delivery A system for delivering fluid, e.g. liquefied petroleum gas or "LPG", through a delivery path (10) under pressure. A delivery control valve (16) is selectably operable to close and open the delivery path (10) and monitors a parameter of the fluid, e.g. di... | 02/04/1997 |
| 5465583 | Liquid methane fueling facility An automated fueling facility allows untrained persons to safely dispense homogeneous phase liquid methane from a cryogenic storage tank into a motor vehicle. The fueling facility automatically maintains pressure on the liquid methane within a predetermin... | 11/14/1995 |
| 5381667 | System and method for monitoring and controlling nitrogen pumping at an oil or gas well A method and system provide automated, preferably electronic, monitoring and control of equipment used to pump and vaporize liquid nitrogen at an oil or gas well. The method comprises: pumping liquid nitrogen at the well; vaporizing pumped liquid nitrogen... | 01/17/1995 |
| 5373702 | LNG delivery system Two LNG storage tanks receive LNG from a fill station. The two storage tanks are connected to an overflow tank into which the LNG flows during pressurization of the system. The overflow tank is connected to the use device, i.e. the vehicle's engine, throu... | 12/20/1994 |
| 5343707 | Methods and apparatus for removing cyclic noise from the output signal of a magnetic sensor A cyclic noise removing method first generates a template of a cyclic noise caused by a cryogenic refrigerator, which template is generated by arithmetically averaging the output signal from a magnetic sensor by every vibration cycle of the cryogenic refr... | 09/06/1994 |
| 5327729 | Simplified apparatus for producing liquid nitrogen In an apparatus for producing liquid nitrogen by supplying to a nitrogen gas separated from the atmosphere and then purified by an air separating device (4) into an insulated container (1) equipped with an extremely low temperature refrigerator, there are... | 07/12/1994 |
| 5309722 | Temperature control system for liquid nitrogen refrigerator The temperature differential in the vapor-phase storage area of a liquid nitrogen refrigerator is reduced by producing turbulence in the nitrogen gas in the vapor-phase storage area without materially affecting the level of liquid nitrogen in the refriger... | 05/10/1994 |
| 5293750 | Control system for liquefied gas container A control apparatus for maintaining constant the temperature and pressure of the vapor phase in a very low-temperature controlled liquefied gas container includes a pressure sensor, a temperature sensor, two electromagnetic valves, and a refrigerator. Whe... | 03/15/1994 |
| 5275007 | Cryogenic dewar level sensor and flushing system The sensor assembly includes a sensor tube in communication with the inner tank. A flush line extending from the liquid cryogen fill line is connected to the sensor tube at a three-way valve. The three way valve also connects the sensor tube to a pressure... | 01/04/1994 |
| 5079925 | Cryogenic apparatus A cryogenic apparatus is described which is designed to be of a compact size and to provide multiple functions, including chilling of gas or liquid, condensation of condensible vapors, and separation of liquid and gas phases of liquified cryogenic gas. Th... | 01/14/1992 |
