U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 203/10 - WATER PURIFICATION ONLY


Subclass of Class 203 - Distillation: processes, separatory
Definition: Processes of purifying water in which the only material
No. of applications: 96
Last issue date: 05/24/2012


1      
Application No.Application TitleIssue Date
20120129242Falling Film Evaporator
An apparatus and method are disclosed for controlling the thickness of a flowing, laminar fluid film. The film flow may be gravity-induced or the result of an alternative force. The fluid is deposited on an upper end of a flow surface where a relatively thick layer of t...
05/24/2012
20120102949APPARATUS FOR THE UTILISATION OF THERMAL RADIATION
Apparatus for the utilisation of thermal radiation having a thermosensitive member, a Fresnel lens for selectively directing thermal radiation onto the thermosensitive member, and a generator means for converting the resulting expansion and contraction of the thermosens...
05/03/2012
20110289847Gasification Process
A gasifier waste stream from a gasification process is directed to a solids separator. A portion of the suspended solids in the waste stream is removed in the solids separator, producing slag and fly ash and a grey water effluent. The grey water effluent is directed to ...
12/01/2011
20110284362SYSTEMS AND METHODS FOR SOLAR WATER PURIFICATION
Systems and methods for solar water purification are described. In one exemplary aspect, the system includes a sun-tracking reflecting mirror unit, and a two-axis Fresnel concentrator mirror unit to collect sunlight reflected from the sun-tracking reflecting mirror unit...
11/24/2011
20110259729Low cost desalination method using renewable energy & recycled materials
The scarcity of fresh water for human consumption and agricultural irrigation is an ongoing problem affecting billions of people. This problem is only getting worse with growing human populations, pollution and global warming. Relying on underground sources of fresh wat...
10/27/2011
20110233044MULTI-EFFECT EVAPORATOR
A multi-effect evaporator, having an upstream and a downstream end, adapted for distillation of water. It comprises a plurality of effects connected in a series manner and arranged into groups. Each group has a common parallel water feed inlet adapted to supply all effe...
09/29/2011
20110226605LARGE-SCALE WATER PURIFICATION AND DESALINATION
Embodiments of the invention provide systems and methods for water purification and desalination. The systems have a preheater, a degasser, multiple evaporation chambers with demisters, heat pipes, and a control system, wherein the control system permits continuous oper...
09/22/2011
20110198208METHOD FOR DESALINATING WATER CONTAINING SALT
For desalinating saline water, a solar energy collector plant comprising parabolic trough collectors is used as a heat generator. With the generated heat, a heat engine is driven by steam, wherein the heat engine drives a generator to generate electricity. The residual ...
08/18/2011
20110174605METHOD FOR THE DESALINATION OR PURIFICATION OF WATER BY DISTILLATION OF A SPRAY (SPRAY PUMP)
A system enables the use of solar heat energy together with electromagnetic energy and optionally energy produced during fermentation of organic products to produce fresh water from salt water, wastewater and water vapor contained in the atmosphere. The resulting fresh ...
07/21/2011
20110168540DESALINATION APPARATUS AND PROCESS
Disclosed herein are an apparatus and a process that can be used to remove sulfur dioxide other environmentally hazardous contaminants from a gaseous waste stream while at the same time providing a source of purified water. The process can be used for the desalination o...
07/14/2011
20110147195WASTE HEAT DRIVEN DESALINATION PROCESS
Disclosed is a process for improving the efficiency of a combined-cycle power generation plant and desalination unit. The process includes supplying exhaust gases from a gas turbine set used to generate electrical power to a heat recovery steam generator (HRSG) and then...
06/23/2011
20110132739DEVICES AND METHOD FOR REMOVING IMPURITIES FROM WATER USING LOW GRADE HEAT
A method and system for removing impurities from water including heating a first gas stream including a first gas or a gas mixture and pre-humidifying the first gas stream using water from an impure water source. Heat may be transferred the first gas stream to a second ...
06/09/2011
20110127155PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION
The present invention relates to a process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction, comprising: —feeding the aqueous stream (1) containing organic by-products of the reaction to a distillation or stripping column (10<...
06/02/2011
20110108406WATER DISTILLATION METHOD AND APPARATUSFOR INDIRECT EVAPORATIVE COOLERS
Apparatus for distilling a fluid such as water includes a vessel and heat transfer plates within the vessel structures to form at least one each cooling channel, evaporative channel, and condensing channel. Air enters the vessel and passes through the cooling channel, w...
05/12/2011
20110073460WASTEWATER TREATMENT APPARATUS AND METHOD WITH STAIR-LIKE HEAT TREATMENT TANKS
A wastewater treatment apparatus and method with stair-like heat treatment tanks for performing a breakdown process are disclosed, in which the apparatus comprises: a mixing tank, for evenly mixing wastewater with reaction agents and thus forming a mixed solution; a plu...
03/31/2011
20110070635SYSTEMS AND METHODS OF GENERATING ENERGY AND FRESH WATER FROM SOLAR RADIATION
A combined solar reflector and desalination assembly is provided for generating energy and fresh water from solar radiation. The solar reflector assembly is configured to be deployed on a supporting body of liquid and to reflect solar radiation to a solar collector. A c...
03/24/2011
20110048921SOLAR DESALINIZATION PLANT
A desalinization plant and process utilizes solar radiation to produce steam from seawater which is then used to generate freshwater and electricity....
03/03/2011
20110048006SOLAR DESALINIZATION PLANT
A desalinization plant and process utilizes solar radiation to produce steam from seawater which is then used to generate freshwater and electricity....
03/03/2011
20110048920Adsorbent - Adsorbate Desalination Unit and Method
An adsorption-desalination unit utilizing a silica gel—water working pair adsorbent—adsorbate having an economizing heat exchanger to pre-heat the incoming source seawater to be desalinated in an evaporator from about 8° C. to about 1° C. above the ambient seawate...
03/03/2011
20110042199Method and device for purifying a liquid
The present invention comprises a method and device for purifying a liquid (4) comprising liquid particules and residual particles, comprising the steps of;—heating the liquid particules and residual particules for purifying; (6)—carrying the liquid in...
02/24/2011
20110036703DESALINATION SYSTEM
A desalination system in the form of a submerged gas evaporator that includes a vessel, a gas delivery tube partially disposed within the vessel to deliver a gas into the vessel and a fluid inlet that provides a fluid to the vessel at a rate sufficient to maintain a con...
02/17/2011
20110024281SYSTEMS AND METHODS FOR WATER DISTILLATION
The present disclosure is generally directed to solar distillation methods and systems for recovering potable water from non-potable water. In certain embodiments, a process for water distillation includes a cycled arrangement, alternating between a day cycle and a nigh...
02/03/2011
20110029410SYSTEM, METHOD, AND APPARATUS FOR END-TO-END CONTROL OF WATER QUALITY
A method of providing end-to-end water quality control from a water system operator to a point of delivery proximate a consumer, which may be at the point of entry, and/or between the point of entry and point of use, and/or at the point of use. The method includes treat...
02/03/2011
20110011724Method of utilizing cooling tower concentrate discharge to transfer waste heat to the atmosphere
An improved system to reduce the volume of makeup water necessary for the operation of a cooling tower, which system includes a combination of a floating heat exchanger and a cooling tower in such a manner that the wastewater discharged from the cooling tower is added t...
01/20/2011
20100320071INTEGRATED SOLAR THERMAL AND NUCLEAR ENABLED WATER PURIFICATION AND HYDROCARBON REFINING PROCESSES
Saline waters are made suitable for use in large quantities in petroleum refining operations by evaporative desalination of a water source having a dissolved salt content of at least 30,000 ppmw with the heat liberated during the steam condensation used as low quality h...
12/23/2010
20100314237WATER PURIFIER
An evaporation device has an inner tube and an outer tube. The inner tube is made of a hydrophilic membrane, such as DutyionT. The outer tube is preferably made of a material that readily absorbs solar radiation and is a good heat conductor. There is a gap between the i...
12/16/2010
20100314238HYBRID SOLAR DESALINATION SYSTEM
A hydro-thermal exchange unit (HTEU) for desalinating feed water in accordance with a humidification-dehumidification includes feed water, fresh water and gas conduit circuits for transporting feed water, fresh water, and gas, respectively. The unit also includes an eva...
12/16/2010
20100300287Slurried Solid Media for Simultaneous Water Purification and Carbon Dioxide Removal from Gas Mixtures
A slurried solid media for simultaneous water purification and carbon dioxide removal from gas mixtures includes the steps of dissolving the gas mixture and carbon dioxide in water providing a gas, carbon dioxide, water mixture; adding a porous solid media to the gas, c...
12/02/2010
20100282591Removal of Hydrocarbons from an Aqueous Stream
The present application concerns a process for the removal of hydrocarbons from an aqueous stream, which process may include conducting a phenol-containing water stream into a separation column, separating the phenol-containing water in the column using heat to form an ...
11/11/2010
20100282592METHOD AND DEVICE FOR WASTE-WATER PURIFICATION
Disclosed are systems and methods useful in waste processing. Disclosed is the use of a regenerative thermal oxidation (RTO) unit for production of industrially useable steam. Disclosed are systems including a stripping unit associated with a regenerative thermal oxidat...
11/11/2010
20100279181SYSTEMS AND METHODS FOR THE SEPARATION OF CARBON DIOXIDE AND WATER
Systems and methods for the separation and capture of carbon dioxide from water are generally described. In some embodiments, a vapor stream containing carbon dioxide and water is separated using a cascade of at least two flash drums. Additional flash steps may be incor...
11/04/2010
20100275600SYSTEM AND METHOD OF RECOVERING HEAT AND WATER AND GENERATING POWER FROM BITUMEN MINING OPERATIONS
A method recovering heat and water from a warm slurry, such as warm tailings from a oil sands extraction mining operation, is provided. The method comprises providing the tailings to a vacuum vessel, removing, from the vacuum vessel, warm vapor derived from the tailings...
11/04/2010
20100270171A System And A Method For Reducing The Amount of Liquid In A Biological Mass
The present invention is directed toward a method and a system for reducing the amount of fluid in a biological mass comprising solids and fluid in the form of liquid and gas. The system includes a temporary storage container for receiving and temporary storing a biolog...
10/28/2010
20100258426APPARATUS AND METHOD FOR DESALINATION
A water desalination system includes an evaporator for evaporating saline water to produce water vapor and an adsorption means in selective vapor communication with the evaporator for reversibly adsorbing the water vapor from the evaporator. The adsorption means is in s...
10/14/2010
20100224476COMBINED MEMBRANE-DISTILLATION-FORWARD-OSMOSIS SYSTEMS AND METHODS OF USE
In some embodiments, systems and methods are provided for purifying a liquid, such as an impaired water. In some examples, seawater or brackish water is purified, such as to a potable level. Some configurations provide a system which includes a membrane-distillation uni...
09/09/2010
20100181185DESALINATION
A desalination process comprising heating brine in a preheating chamber and transferring the brine to a rotary kiln to be sprayed against the wall structure of the rotary kiln to boil to steam and a residue of salt/impurities, the exiting steam being pressurised in a co...
07/22/2010
20100154679DESALINATION METHODS AND SYSTEMS THAT INCLUDE CARBONATE COMPOUND PRECIPITATION
Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to desalination. In certain embodiments, desalination waste brine is subjected to carbon...
06/24/2010
20100158786DESALINATION METHODS AND SYSTEMS THAT INCLUDE CARBONATE COMPOUND PRECIPITATION
Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to desalination. In certain embodiments, desalination waste brine is subjected to carbon...
06/24/2010
20100147673Water desalination system
An improved water desalination system is disclosed, in which contaminated water such as seawater or brackish water is preheated and fed into a primary pressure vessel through a distribution head. The seawater is distributed from the distribution head over a non-adherent...
06/17/2010
20100089740METHOD AND SYSTEMS FOR PROCESSING WASTE WATER USING ZERO PROCESS WATER DISCHARGE
A method for processing wastewater is provided. The method includes pretreating a flow of the wastewater using at least one of a softening/clarification system, a sludge handling system, a filtration system, and an ammonia stripping system, evaporating the pretreated fl...
04/15/2010
1      
 
Sign InRegister
Username  
Password   
forgot password?