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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7540944 | Saline/sewage water reclamation system The present water reclamation system comprises a series of concentric thin shells. The shells mount within a housing that can be maintained under vacuum or low pressure. The shells rotate at high velocity. Contaminated liquid from outside the housing is injected int... | 06/02/2009 |
| 7381310 | Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery A sea water desalination installation that employs an evaporation-condensation system which operates continuously at a low temperature and which enables the recovery of energy released. The installation includes a cylindrical evaporator having a large evaporation su... | 06/03/2008 |
| 7378536 | Method for producing propylene oxide Process for preparing propylene oxide, which comprises at least the steps (iii) and (iv) (iii) separating off propylene oxide from a mixture (M1) comprising propylene oxide and at least one solvent by distillation in a distillation column, giving a bott... | 05/27/2008 |
| 7368040 | Apparatus for and method of heating fluid and distilling fluid A method and an apparatus for heating fluid with a gas heater and distilling fluid with the pilot light of the gas heater are disclosed. The apparatus for heating fluid and distilling fluid includes a main tank for containing fluid to be heated, a heater, adapted to... | 05/06/2008 |
| 7368039 | Distiller employing cyclical evaporation-surface wetting A distillation unit (10) employs a rotary heat exchanger (32) forming a multiplicity of evaporation chambers (56) into which a liquid to be purified is sprayed for evaporation. Spray arms (58) spray at a steady rate into all of the evapor... | 05/06/2008 |
| 7347918 | Energy efficient evaporation system An evaporation system uses the weight of condensed liquid as an energy source. An inlet feed is introduced into an enclosure through an inlet. The inlet feed is vaporized in an evaporation region of the enclosure, and condensed to a liquid in a condensation region o... | 03/25/2008 |
| 7337828 | Heat transfer using a heat driven loop A heat transfer fluid medium (25) within the closed system is arranged to boil to form a vapor in the evaporation section (12) and such that release of heat from the condensation section (11) to the fluid to be heated (4A) causes the vapo... | 03/04/2008 |
| 7320745 | Energy efficient method for exothermic reactions An energy efficient process scheme for a highly exothermic reaction-distillation system in which the reactor is external to the distillation column and the feed to the reactor is a mixture of at least one liquid product stream from the distillation column with or wi... | 01/22/2008 |
| 7297237 | Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1 By using a dephlegmator which conducts distillation concurrently with heat exchange within at least one distillation column, or a portion of one distillation column, of a distillation cascade, the quantity of liquid holdup within the distillation apparatus is reduce... | 11/20/2007 |
| 7291660 | Method of producing high concentration polymer solution TAC and additives are mixed in a mixture solvent of dichloromethane, methanol and n-butanol to obtain a dispersion solution. The dispersion solution is heated to become a low concentration dope whose concentration is 19.3 wt. %. The low concentration dope is fed wit... | 11/06/2007 |
| 7217343 | Point of use water purification method and apparatus A compact, energy efficient, continuous-flow point of use distillation system utilizes stacked, vertically-arranged components to provide a compact and energy efficient distillation process and a device which is quick and easy to service and maintain. A housing cont... | 05/15/2007 |
| 7182840 | Method and device for exploiting heat resulting from the production of 1,2-dichloroethane The invention relates to a method and a device for the optimal use of reaction heat resulting from the production of 1,2-dichloroethane from ethene and chlorine. The aim of the invention is achieved by extracting reaction heat liberated during the reaction of chlori... | 02/27/2007 |
| 7163636 | Multi-phase separation system A multi-phase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid. A condenser module receives the filtered contaminated fluid and a contaminated ga... | 01/16/2007 |
| 7090749 | Method and apparatus for simulating application workloads on an e-business application server A method and system for simulating application workloads on an e-business application sewer hosting e-business application programs. A test driver can simulate different workloads and enable monitoring of e business applications. A work request for a placebo transac... | 08/15/2006 |
| 7048833 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 05/23/2006 |
| 7041198 | Distillation system A distillation system is provided having an evaporation conduit and a condensing conduit connected by a transfer system for transferring distillate vapour from the evaporation conduit to the condensing conduit to condense the distillate. The evaporation and condensi... | 05/09/2006 |
| 6969446 | Method for producing concentrated nitric acid and installation for carrying out a method of this type Process for producing a nitric acid of a concentration from 75 to 99.9% from a more diluted nitric acid, wherein a nitric acid of a concentration of about 45 to 70% is rectified in contact with a liquid extraction medium to prevent the formation of a nitric acid-wat... | 11/29/2005 |
| 6948454 | Airflow apparatus An apparatus for heating a medium includes a combustion chamber; a burner within the combustion chamber and operable to create products of combustion for heating the medium to be heated; a conduit for the exhaust of the products of combustion; and an airflow apparat... | 09/27/2005 |
| 6936140 | Water distillation system A distillation system is provided for recovering water from sea water and other polluted water source. The system has a heat engine embodying Carnot cycle and a Rankine cycle formed by heat exchangers, flash evaporator and condenser. Burnt gases from the engine such... | 08/30/2005 |
| 6932889 | Water treatment device and method A point of use water purification unit for continuously and completely purifying water at all point of use for removing all chemicals, killing all microorganisms; the device having a computer monitored and controlled system for degassing, super heating and exploding... | 08/23/2005 |
| 6908533 | Rotating heat exchanger An evaporator and condenser unit for use in distilling a liquid, such as water, includes a rotary heat exchanger plate having a plurality of folds or pleats. Adjacent panels of the folded plate define spaces between their oppositely facing surfaces, and these spaces... | 06/21/2005 |
| 6805774 | Apparatus and process for purifying a liquid by thermoelectric peltier means A continuous process and apparatus is provided for treating an impure liquid to produce purified liquid. The process includes electrically activating a thermoelectric module (24) to provide a first module heated surface (26) and a module cooler surface... | 10/19/2004 |
| 6790313 | Method of cleaning sulfide contaminated condensates A method to remove sulfides and other volatile contaminants from liquor vapor condensate in a pulp manufacturing process, where the mentioned liquor vapor condensate is fed into a stripper, which is part of a closed loop system including the stripper, a regenerative... | 09/14/2004 |
| 6716355 | Method for the purification of a liquid by membrane distillation, in particular for the production of desalinated water from seawater or brackish water or process water The following process steps are carried out in order to purify a liquid by membrane distillation, in particular to produce desalinated water from seawater or brackish water or process water: passing a relatively warn vaporising stream of liquid (retentate str... | 04/06/2004 |
| 6673213 | Method and apparatus for the thermo-solar distillation and transportation of water from a water table The invention refers to a simultaneous system for the distillation and elevation of water on top of the water table itself, which driven by thermo solar energy allows in an autonomous operation the generation of electrical power through transportation and... | 01/06/2004 |
| 6607639 | Process for desalinization utilizing humidification/dehumidification A desalinization process and apparatus utilizing a humidity chamber having a saltwater structure; a cooling water structure and a salt-free water collection structure. Saltwater having a first temperature and cooling water having a second temperature are ... | 08/19/2003 |
| 6508916 | Process for recovering processing liquids A process for recovering processing liquids such as gas-treating liquids wherein a feed mixture containing the processing liquid, water, and optionally additional components that are more volatile than the processing liquid and components that are less vo... | 01/21/2003 |
| 6494995 | Solar distillation system A solar cell floats over a body of saline water. A submerged fresh water collection system underlies the cell. A partial vacuum is created in the solar cell for drawing water vapor from the cell to the collection system. Water vapor is condensed in a cond... | 12/17/2002 |
| 6409888 | Method and apparatus for water degasification and distillation A method and apparatus for water degasification and distillation in an apparatus having a container for a reservoir of water to be degassed and distilled, a relatively small boiler adjoining the container and having a feed water conduit connecting the con... | 06/25/2002 |
| 6375805 | Apparatus and process for purifying a liquid An improved continuous process and apparatus for treating an impure liquid to produce purified liquid, particularly, water, the process having an electrically activating a thermoelectric module to provide a first heated surface and a cooler surface; feedi... | 04/23/2002 |
| 6294054 | Water purification system A compact distilled water system for home, marine, and laboratory use which includes a closed circuit that provides high pressure water for dispensing water to remote locations and that also creates, in conjunction with an eductor, a partial vacuum in the... | 09/25/2001 |
| 6261412 | Regenerative heat recovery for high temperature condensate stripping plants The EPA Cluster Rules for cellulose pulp mills are complied with by first collecting foul condensate including hazardous air pollutants (HAPs), such as methanol, at a temperature of between about 140-180° F., and passing the foul condensate into direct c... | 07/17/2001 |
| 6165326 | Facility for desalinating of purifying sea water or brackish water by means of solar energy A facility for the desalination and purification of sea water or brackish water by solar energy provided with a closed cycle including a thermal solar collector and a heat exchanger in which a heat transfer medium is circulating, and a basin for receiving... | 12/26/2000 |
| 6120651 | Method for removing water from an aqueous fluid mixture A method permits concentration of a water-miscible organic liquid in a mixture of such liquid and water, with recovery of a desired concentrate of the water-miscible organic liquid and water, and a relatively clean water containing only a very low contest... | 09/19/2000 |
| 6113744 | Water distillation apparatus A water distillation apparatus includes a degasification chamber having a top and a bottom. A liquid inlet is positioned adjacent to the bottom. A gas outlet is positioned adjacent to the top. A liquid outlet is positioned intermediate the top and the bot... | 09/05/2000 |
| 6106673 | Method for separating components of a fermentation process byproduct containing oil bound with fibers A process and system are provided for the separation of a fermentation process byproduct into its constituent components and for the subsequent recovery of those constituent components. The process is remarkably simple--requiring only 1) heating of a mixt... | 08/22/2000 |
| 6071383 | Distillator A distillator has an outer casing, a boiling device disposed in the outer casing, a hot water box disposed in the outer casing, a cold water box disposed in the outer casing, a first faucet disposed on the hot water box, a second faucet disposed on the co... | 06/06/2000 |
| 5928477 | Method and apparatus for removing water from an aqueous fluid mixture A method and apparatus permits concentration of a water-miscible organic liquid in a mixture of such liquid and water, with recovery of a desired concentrate of the water-miscible organic liquid and water, and a relatively clean water containing only a ve... | 07/27/1999 |
| 5925223 | Process for improving thermal efficiency while producing power and desalinating water A process and apparatus for improving the thermal efficiency of a steam turbine power generating plant while simultaneously desalinating seawater or brine and purifying water which contains minerals, salts, and other dissolved solids. Exhaust gases from a... | 07/20/1999 |
| 5705036 | Water distilling apparatus A water distilling apparatus includes a preheat tank having an inlet and an outlet for storing water from a water source via the inlet, a boiling tank formed of a conductive casing connected to a ground potential and having an inlet in connection with the... | 01/06/1998 |
