| Patent Number |
Title Of Patent |
Date Issued |
| 7490476 |
Method for refrigerating a heat exchange panel |
February 17, 2009 |
| Desalination apparatus based on porous restraint panels fabricated from a number of different layers of metal, thermoplastic, or other substances are used as sophisticated heat exchangers to control the growth of gas hydrate. The gas hydrate is produced after infusion of liquid hydra |
| 7485234 |
Hydrate-based desalination using compound permeable restraint panels and vaporization-based cool |
February 3, 2009 |
| Desalination apparatus based on porous restraint panels fabricated from a number of different layers of metal, thermoplastic, or other substances are used as sophisticated heat exchangers to control the growth of gas hydrate. The gas hydrate is produced after infusion of liquid hydra |
| 7485222 |
Apparatus for hydrate-based desalination using compound permeable restraint panels and vaporizat |
February 3, 2009 |
| Desalination apparatus based on porous restraint panels fabricated from a number of different layers of metal, thermoplastic, or other substances are used as sophisticated heat exchangers to control the growth of gas hydrate. The gas hydrate is produced after infusion of liquid hydra |
| 7293420 |
Atmospheric moisture harvesters |
November 13, 2007 |
| Improved apparatus and methods for use in atmospheric moisture harvesters are disclosed. In particular, sectored or zoned cooling/condensation surfaces to optimize cooling efficiency are disclosed. In one embodiment, cooling is provided by dual-refrigerant, buffered cooling cells. In |
| 7255794 |
Hydrate-based reduction of fluid inventories and concentration of aqueous and other water-contai |
August 14, 2007 |
| Toxic waste waters polluted with high levels of chemical byproducts of various industrial processes (e.g., waste water held in industrial holding ponds) are treated using gas hydrate to extract and remove fresh water from the polluted water, thus reducing the volume of toxic waste wa |
| 7094341 |
Hydrate-based desalination/purification using permeable support member |
August 22, 2006 |
| Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once the mat of gas hydrate has formed on the porous restraint, the portion of the mat of gas hyd |
| 7013673 |
Hydrate-based desalination/purification using permeable support member |
March 21, 2006 |
| Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once the mat of gas hydrate has formed on the porous restraint, the portion of the mat of gas hyd |
| 7008544 |
Hydrate-based desalination/purification using permeable support member |
March 7, 2006 |
| Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once the mat of gas hydrate has formed on the porous restraint, the portion of the mat of gas hyd |
| 6991722 |
Hydrate desalination for water purification |
January 31, 2006 |
| An apparatus is disclosed which allows the hydrate formed in the hydrate formation region of a desalination fractionation apparatus to be cooled as it rises in the apparatus. This has the beneficial effect of increasing its stability at lower pressures and reducing the depth at which |
| 6969467 |
Hydrate-based desalination with hydrate-elevating density-driven circulation |
November 29, 2005 |
| In hydrate-based desalination or other water purification conducted using naturally buoyant or trapped-gas-assisted buoyancy hydrate in a hydrate fractionation column, a portion of fresh or purified product water is extracted from an upper, hydrate dissociation region of the fractionatio |
| 6945063 |
Apparatus and method for harvesting atmospheric moisture |
September 20, 2005 |
| An atmospheric water harvester extracts water from high relative humidity air. The temperature of the surface of a condensation member is lowered in the presence of moist air to promote condensation of water vapor on its surface, and the water so obtained by condensation is collected. Th |
| 6890444 |
Hydrate formation and growth for hydrate-based desalination by means of enriching water to be tr |
May 10, 2005 |
| Water to be desalinated or otherwise purified is enriched by having hydrate-forming substance dissolved into it, without causing hydrate to form. Hydrate kernels are brought into contact with the enriched water to be treated, and the hydrate kernels grow outwardly into the water to be |
| 6830682 |
Controlled cooling of input water by dissociation of hydrate in an artificially pressurized assi |
December 14, 2004 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Saline (or otherwise polluted) water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming g |
| 6828499 |
Apparatus and method for harvesting atmospheric moisture |
December 7, 2004 |
| A condensation panel to be used for harvesting water from atmospheric moisture during those times of the diurnal cycle when relative humidity is at or near 100% utilizes very localized cooling to optimize condensation on a surface whose materials promote the condensation and collection o |
| 6767471 |
Hydrate desalination or water purification |
July 27, 2004 |
| An apparatus is disclosed which allows the hydrate formed in the hydrate formation region of a desalination fractionation apparatus to be cooled as it rises in the apparatus. This has the beneficial effect of increasing its stability at lower pressures and reducing the depth at which the |
| 6759564 |
Hydrate-based decontamination of toxic gases |
July 6, 2004 |
| Areas in which toxic material has been released, particularly in gaseous form but also in liquid form, are decontaminated by forming gas hydrate of the toxic agent. Smaller-molecule toxic agents form sI or sII type hydrates, whereas larger-molecule toxic agents for sH type hydrates. A |
| 6733667 |
Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate |
May 11, 2004 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Saline (or otherwise polluted) water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming g |
| 6673249 |
Efficiency water desalination/purification |
January 6, 2004 |
| Various methods and apparatus for maximizing the efficiency of hydrate-based desalination or other water purification in open-water or partially open-water installations are disclosed. In one embodiment, water is accessed from depth where the ambient temperature is as cold as possibl |
| 6565715 |
Land-based desalination using buoyant hydrate |
May 20, 2003 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Salt water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming gas to form positive buoyant |
| 6562234 |
Land-based desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate |
May 13, 2003 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Salt (or otherwise polluted) water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming gas |
| 6497794 |
Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate |
December 24, 2002 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Saline (or otherwise polluted) water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming g |
| 6475460 |
Desalination and concomitant carbon dioxide capture yielding liquid carbon dioxide |
November 5, 2002 |
| Methods and apparatus for desalination of salt water (and purification of polluted water) are disclosed. Saline (or otherwise polluted) water is pumped to a desalination installation and down to the base of a desalination fractionation column, where it is mixed with hydrate-forming g |