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Class Information
Number: 62/49.1
Name: Refrigeration > Storage of solidified or liquified gas (e.g., cryogen) > With measuring
Description: Process or apparatus wherein a characteristic of the product of refrigeration is measured.

Sub-classes under this class:

Class Number Class Name Patents
62/49.2 Of liquid level 73

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8695357 Pressure control of cryogenic liquids Apr. 15, 2014
8468839 Portable liquid oxygen storage unit Jun. 25, 2013
8418480 Cooling system using positive displacement cryogenic liquid pump Apr. 16, 2013
8117851 Liquified gas supply system and method thereof Feb. 21, 2012
7821630 Device for monitoring a turret in a cryomagnet Oct. 26, 2010
7337616 System for sampling cryogenic liquids, and air separation unit provided with at least one such system Mar. 4, 2008
7263840 Automatic LN2 distribution system for high-purity germanium multi-detector facilities Sep. 4, 2007
7036324 Hydrogen storage and supply system May. 2, 2006
7028489 Over-pressurization protection system for cryogenic vessel Apr. 18, 2006
6910337 Method and apparatus for storing liquids and liquefied gases Jun. 28, 2005
6834508 Hydrogen storage and supply system Dec. 28, 2004
6732791 Hydraulic oil cooler and supplying vessel pressure stabilizer May. 11, 2004
6644039 Delivery system for liquefied gas with maintained delivery tank pressure Nov. 11, 2003
6591617 Method and apparatus for hydrogen storage and retrieval Jul. 15, 2003
6584781 Methods and apparatus for compressed gas Jul. 1, 2003
6584780 System for storing dissolved methane-base gas Jul. 1, 2003
6578365 Method and system for supplying vaporized gas on consumer demand Jun. 17, 2003
6566875 Portable hyperpolarized gas monitoring systems, computer program products, and related methods using NMR and/or MRI during transport May. 20, 2003
6523356 Meted hyperpolarized noble gas dispensing methods and associated devices Feb. 25, 2003
6470690 Method and apparatus for supplying vaporized gas on consumer demand Oct. 29, 2002
6430939 Hyperpolarized gas containers,solenoids, transport and storage devices and associated transport and storage methods Aug. 13, 2002
6360546 Fluid storage and dispensing system featuring externally adjustable regulator assembly for high flow dispensing Mar. 26, 2002
6286319 Meted hyperpolarized noble gas dispensing methods and associated devices Sep. 11, 2001
6257016 Apparatus for dispensing dry ice Jul. 10, 2001
6148636 Apparatus for dispensing dry ice Nov. 21, 2000
6076359 System and method for controlled delivery of liquified gases Jun. 20, 2000
5987971 Interlock for a storage tank used in containing a respirable liquid cryogen Nov. 23, 1999
5964094 Method and apparatus for mixing liquefied gases Oct. 12, 1999
5916246 System and method for transferring liquid carbon dioxide from a high pressure storage tank to a lower pressure transportable tank Jun. 29, 1999
5598708 Phase responsive fluid delivery Feb. 4, 1997
5465583 Liquid methane fueling facility Nov. 14, 1995
5381667 System and method for monitoring and controlling nitrogen pumping at an oil or gas well Jan. 17, 1995
5373702 LNG delivery system Dec. 20, 1994
5343707 Methods and apparatus for removing cyclic noise from the output signal of a magnetic sensor Sep. 6, 1994
5327729 Simplified apparatus for producing liquid nitrogen Jul. 12, 1994
5309722 Temperature control system for liquid nitrogen refrigerator May. 10, 1994
5303557 Method and apparatus for determining the phase of a fluid Apr. 19, 1994
5293750 Control system for liquefied gas container Mar. 15, 1994
5275007 Cryogenic dewar level sensor and flushing system Jan. 4, 1994
5237825 Method and apparatus for cryogenically cooling samples Aug. 24, 1993
5079925 Cryogenic apparatus Jan. 14, 1992
4996479 Magnetometer device with a Dewar vessel for measuring weak magnetic fields Feb. 26, 1991
4872314 Superconducting coil refrigerating method and superconducting apparatus Oct. 10, 1989
4865088 Controller cryogenic liquid delivery Sep. 12, 1989
4848093 Apparatus and method for regulating temperature in a cryogenic test chamber Jul. 18, 1989
4841732 System and apparatus for producing and storing liquid gases Jun. 27, 1989
4791788 Method for obtaining improved temperature regulation when using liquid helium cooling Dec. 20, 1988
4741166 Liquified gas subcooler and pressure regulator May. 3, 1988
4739622 Apparatus and method for the deep cryogenic treatment of materials Apr. 26, 1988
4674290 Vent control for a vessel Jun. 23, 1987

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