Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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.
| Number | Title | Issue Date |
| 8186518 | Self powered water purification system A water purification unit to purify potentially contaminated water is provided. The water purification unit is in fluid communication with a water source and has a pump to draw water from the water source. The water is passed through at least a main filter to purify... | 05/29/2012 |
| 7775374 | Self powered water purification system A water purification unit to purify potentially contaminated water is provided. The water purification unit is in fluid communication with a water source and has a pump to draw water from the water source. The water is passed through at least a main filter to purify... | 08/17/2010 |
| 7438801 | Compact personal water purification device A lightweight, portable, water purification device can be used to recover potable water from any water source. The manually operated device, requires no external power, is very lightweight, and removes salt and other impurities from source water while also disinfect... | 10/21/2008 |
| 7422684 | Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas stream, transmitting the ozone gas stream from the generator to the wate... | 09/09/2008 |
| 7413653 | Portable filtered drinking water system A portable filtered drinking water system for removing undesirable tastes, odors, and contaminants from potable water to improve the quality of the water for drinking or consumption. The device consists of a container that holds the potable water and has an air tigh... | 08/19/2008 |
| 7404894 | Portable water cleaner A carrying case (1) of a portable water cleaner includes a case main body (2) having an opening portion (2a) and forming a container (2b) that contains water, and a lid member (3) that opens/closes the opening portion... | 07/29/2008 |
| 7378014 | Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas stream, transmitting the ozone gas stream from the generator to the wate... | 05/27/2008 |
| 7361270 | Apparatus for water treatment Water is treated by precipitating dissolved contaminants. A treatment vessel is provided having an inlet for receiving the water under treatment and an outlet for flowing treated water therefrom. A high volume of fine air bubbles are diffused into the water within t... | 04/22/2008 |
| 7351329 | Potable water station sanitizing system and method A system for sanitizing a potable water station includes a pair of conduits providing a fluid connection between the potable water station and the system. It also includes a pump operable for circulating water from the potable water station through one of the condui... | 04/01/2008 |
| 7338595 | Flow-through tank for water treatment A fluid treatment system includes at least one flow-through tank, a treatment device configured for treating at least one of an untreated fluid and a treated fluid and providing the treated fluid to the at least one flow-through tank and at least one sensing device ... | 03/04/2008 |
| 7326339 | Recirculating water energising apparatus An apparatus for recirculating water through a magnetic field comprises: a) a funnel; b) a water injector configured to deliver water around an interior peripheral surface of a top portion of the funnel; c) a magnet positioned along and adjacent to the narrow spout ... | 02/05/2008 |
| 7323104 | Water filtering device A water filter device includes a container (1) that has an opening for filling of water, and a filter unit (3) that is movable relative to the container (1). It is significant of the device that the filter unit (3) includes a filter eleme... | 01/29/2008 |
| 7311817 | System and method for sanitizing and refilling a potable water system onboard a transport vehicle A system for sanitizing and refilling a potable water system onboard a transport vehicle includes a potable water supply conduit, a potable water feed conduit, a potable water return conduit, a drain conduit, and a sanitizing and refilling station wherein the system... | 12/25/2007 |
| 7297254 | Systems and methods for extracting and purifying water from groundwater sources Systems and methods for water extraction and purification are disclosed. In one embodiment of the invention, a system includes at least one water lifting unit that fluidly communicates with a groundwater source, and a gas generator that is fluidly coupled to the at ... | 11/20/2007 |
| 7175760 | Water dispensing apparatus with water recirculation line A water purification and dispensing apparatus includes a water reservoir, a recirculation line having an inlet end connected to the reservoir and an outlet end connected to the reservoir, a pump connected to the recirculation line for pumping water through the recir... | 02/13/2007 |
| 7135106 | Portable water purifier There is disclosed a device adapted to provide water purified to human consumption level, and arranged for connection to a water supply. The device comprises a water purifier, a container for purified water and connections between the water purifier and the purified... | 11/14/2006 |
| 7122149 | Apparatus and method for continuous depyrogenation and production of sterile water for injection A fluid processor, suitable for the production of sterile water for injection, having a processor assembly and a process control system comprising a pump, a flow splitter, flow restrictors and a pressure relief valve. In a preferred embodiment, the processor assembl... | 10/17/2006 |
| 7090779 | Manually operable water purifying device A manually operated water purifying device which includes a manually moveable operating member that pumps unpurified water into a conduit where it is exposed to purification by an electrically operated UV-C lamp and then dispensed from a portable container, and the ... | 08/15/2006 |
| 7077951 | Vessel for heating and filtering water A vessel or kettle for holding water has a first chamber from which water can be pumped though a filter into a second chamber. The pump can be gravity, manual or power operated. Cold water from the first chamber can be pumped though an annular filter of ion exchange... | 07/18/2006 |
| 7048861 | System and method for in-well aeration A method of aerating a well having a well pump positioned therein is disclosed which includes the steps of positioning an air diffuser within the well above the level of the well pump, determining the recovery period for the well, and supplying air to the diffuser t... | 05/23/2006 |
| 7029576 | Wind energy installation comprising a seawater or brackish water desalination plant A wind energy installation having a tower, a gondola supported by the tower, a rotor mounted in the gondola, and at least one pressure pump that is mechanically driven by the rotor and that feeds a raw water-treating reverse osmosis plant, the components of the reve... | 04/18/2006 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6821414 | Water treatment apparatus The invention provides an improved means of purifying water which comprises a water treatment apparatus comprising a treatment housing (10, 60) having an inlet (18, 65) for the water to be treated, an outlet (25, 67) for the treated water, a hea... | 11/23/2004 |
| 6773588 | Purified water supply system A system (11) for providing purified water comprises a plurality of individual modules, each of which includes a separable head (13) and a canister (17), which modules are joined one to another via these heads to create a composite manifold (... | 08/10/2004 |
| 6755967 | Well water filtration apparatus and system A system for filtering well water residing in a water storage tank or reservoir in which water laden with sediment and debris is removed by a pump from the center of the bottom of the tank, passed through one or more sand filters, and returned to the tank. The sucti... | 06/29/2004 |
| 6641729 | Mobile water purifying device A water purifying device, wherein water purification tubes are combined with a bicycle or a motorcycle having a drive wheel assembled in a body thereof. The purification tubes are mounted on the body, a feed pump is connected to the water purification tub... | 11/04/2003 |
| 6627089 | Water main recirculating/filtering/flushing system and method A truck houses a closed recirculation system having a series of hoses, filters and pumps interconnecting a first point and second point, preferably hydrants, of a water supply system. A flow of water pumped outside of the water supply system through the f... | 09/30/2003 |
| 6478956 | Manually pressurized water filtering container A manually pressurized water filtering container comprising an enclosure having a compressible wall terminating at an open neck and a removable, water permeable filter module and a cap adapted for receiving the filter module and for engaging and sealing t... | 11/12/2002 |
| 6432301 | Device for obtaining a desalinated solution A device for producing a permeate from a concentrate has a separating chamber and a filter membrane dividing the separating chamber into a concentrate chamber and a permeate chamber. An inlet line is connected to the concentrate chamber and introduces the... | 08/13/2002 |
| 6402949 | Portable water filtration system A portable water filtration system with two water reservoirs and a filter capable of meeting the drinking and cooking water needs of a family or small group of people. The portable water filtration system is also capable of back flushing the filter, thus ... | 06/11/2002 |
| 6383375 | Water container with filter cartridge A water tank is proposed with a filter cartridge especially for use in automatic vending machines in which the risk of contamination and bed compaction of the filter bed are reduced or avoided. This is accomplished according to the invention by the water ... | 05/07/2002 |
| 6383384 | Reverse osmosis water purifier An apparatus for purifying water that uses a synchronous combination of a worm gear and spring assembly that delivers constant mechanical energy for sustaining continuous filtration operations without the concomitant repetitious cranking that has been com... | 05/07/2002 |
| 6383385 | Filter unit for the physical elimination of microbes, suspended matter and solids from water The invention relates to a filter device for the physical elimination of microbes, suspended matter and solids from water, which in a housing has a filter insert made of 200 to 10000 hollow-fiber membranes with a defined pore width between 0.001 and 1.0 Î... | 05/07/2002 |
| 6379544 | Portable device for supplying filtered water A portable device for supplying filtered water includes a container, a cap member, a partitioning member, a filter member, an intake tube, a piston pump unit, and a spout. The partitioning member divides an interior of the container into an outer chamber ... | 04/30/2002 |
| 6355177 | Water filter cartridge replacement system for a refrigerator A water filtering system for a refrigerator determines a need for a filter change by timing the period of actuation of at least one valve used to regulate the flow of filtered water to both a water dispenser and an ice maker. Based on a known flow rate, a... | 03/12/2002 |
| 6348148 | Seawater pressure-driven desalinization apparatus with gravity-driven brine return An apparatus and method of removing salt from seawater to produce potable freshwater. In the preferred embodiments, a large metal cylinder, with open top and bottom ends, is anchored to the sea floor offshore. Several pressure hulls are attached to the si... | 02/19/2002 |
| 6344146 | Portable water purification device A portable, self-contained, fully integrated water purification device which includes a receptacle modified to accommodate a filtration assembly for purifying water, and to store water following purification. The receptacle provides separate openings for ... | 02/05/2002 |
| 6342155 | Apparatus for making fluoridated and drinking water An apparatus includes a housing, a filter assembly, a water storage tank, a circulating unit connected to the storage tank for receiving water from the storage tank and for returning the water from the circulating unit to the storage tank, a UV sterilizin... | 01/29/2002 |
| 6337014 | Nonsolvent, sealed septum connection for a water treatment cartridge A button for providing a physical and sealing connection between a septum and an outlet stack of a water treatment cartridge having an opening. The button includes a first end, a second end opposite the first end, and a central portion which connects the ... | 01/08/2002 |
| 6299766 | Reverse osmosis filtering apparatus with concentrate dilution Liquid filtering apparatus includes a plurality of reverse osmosis filters for receiving seriatim under pressure a mixture of feed liquid and recirculated concentrate. Feed liquid such as salt water is introduced into the inlet of each reverse osmosis fil... | 10/09/2001 |
