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| Number | Title | Issue Date |
| 8042357 | Hydrogen liquefaction method and liquefier The present invention provides a method of liquefying a hydrogen feed stream and a liquefier for carrying out such a method in which ortho-species of hydrogen contained in a hydrogen feed stream is converted to the para-species in higher and lower temperature cataly... | 10/25/2011 |
| 7665328 | Method of producing hydrogen, and rendering a contaminated biomass inert A method for rendering a contaminated biomass inert includes providing a first composition, providing a second composition, reacting the first and second compositions together to form an alkaline hydroxide, providing a contaminated biomass feedstock and reacting the... | 02/23/2010 |
| 7559213 | Process and apparatus for liquefying hydrogen Hydrogen is liquefied by a process comprising pre-cooling hydrogen feed gas by indirect heat exchange against pressurized liquefied natural gas (“LNG”) to produce pre-cooled hydrogen feed gas and pressurized natural gas, further cooling at least a portion of sai... | 07/14/2009 |
| 7294156 | Integrated process for bitumen recovery, separation and emulsification for steam generation The invention relates to a process for splitting bitumen into two fractions and rendering a heavier bottom fraction as a useable emulsion fuel. The process is particularly effective in creating an alternate fuel to natural gas in a steam-based bitumen recovery proce... | 11/13/2007 |
| 7162877 | Pulse tube refrigerator A pulse tube refrigerator comprising a cold head, wherein the cold head comprises at least one pulse tube (6) and at least one regenerator (7); the cold head having a cold end (8) and a warm end (5), each end being provided with respectiv... | 01/16/2007 |
| 7153489 | Method of producing hydrogen A method of producing hydrogen is disclosed and which includes providing a first composition; providing a second composition; reacting the first and second compositions together to produce a chemical hydride; providing a liquid and reacting the chemical hydride with... | 12/26/2006 |
| 7062922 | Cryocooler with ambient temperature surge volume A two-stage cryocooler (10) includes an ambient temperature portion (12), a first-stage temperature portion (14), and a second-stage temperature portion (16). The ambient temperature portion includes a surge volume (44) that is cou... | 06/20/2006 |
| 7047749 | Regenerative refrigerating apparatus A regenerative refrigerating apparatus which can increase the speed of cooling and heating a subject to be cooled. The specific constitution of the regenerating type refrigerating apparatus includes a pressure control means 4 having a compressor 4a | 05/23/2006 |
| 7040119 | Method and device for liquefying hydrogen Described is a process and a device for liquefying hydrogen, whereby the hydrogen to be liquefied is liquefied against one or more refrigerant (mixture) circuits and/or by means of expansion and is guided over at least one ortho-para conversion catalyst. Acco... | 05/09/2006 |
| 6997012 | Method of Liquifying a gas A method of liquefying a gas is disclosed and which includes the steps of pressurizing a liquid; mixing a reactant composition with the pressurized liquid to generate a high pressure gas; supplying the high pressure gas to an expansion engine which produces a gas ha... | 02/14/2006 |
| 6581403 | Heating/cooling system for indwelling heat exchange catheter A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The he... | 06/24/2003 |
| 6467274 | Apparatus and methods for cooling and liquefying a fluid using magnetic refrigeration Methods and apparatus for magnetically cooling and liquefying a process stream include a plurality of active magnetic regenerative refrigerators (AMRRs) configured in parallel or in series and parallel. Active magnetic regenerative liquefiers (AMRLs) incl... | 10/22/2002 |
| 6205812 | Cryogenic ultra cold hybrid liquefier A system for effectively generating refrigeration for use in putting a product fluid into an ultra cold condition wherein an active magnetic regenerator or a multicomponent refrigerant fluid cycle is integrated with a pulse tube system for receiving heat ... | 03/27/2001 |
| 5579655 | Process and apparatus for the liquefaction of hydrogen A process and apparatus for the liquefaction of hydrogen, of the type using a refrigeration cycle whose cycle fluid comprises mostly hydrogen, and a closed liquid nitrogen refrigeration cycle. The cycle fluid is hydrogen and a mixture of C2 + h... | 12/03/1996 |
