...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7867367 | Fluid treatment apparatus A fluid treatment apparatus capable of maximizing contact area between a fluid and electrodes in the apparatus to improve corrosion resistance or combustion efficiency includes a housing having an inlet port and an outlet port for the water at both ends of the housi... | 01/11/2011 |
| 7820022 | Photoelectrochemical cell and method of manufacture A photoelectrochemical cell may include a cell housing defining an interior volume with a window affixed to the cell housing for allowing the passage of light into the interior volume of the cell. A polymeric film may be affixed within the interior volume defining a... | 10/26/2010 |
| 7815779 | Water treatment device The invention relates to a water treatment device comprising a metallic sleeve inside which at least one metallic sacrificial anode is disposed, said sacrificial anode being connected to the sleeve in an electrically conducting manner. At least one metallic swirling... | 10/19/2010 |
| 7459065 | Hydrogen generator photovoltaic electrolysis reactor system An apparatus for creating hydrogen from the disassociation of water using sunlight (photoelectrolysis) is provided. The system utilizes an aqueous fluid filled container which functions both to hold the water to be disassociated and as a light collecting lens. A pho... | 12/02/2008 |
| 7393440 | Hydrogen generation system The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made ... | 07/01/2008 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7157840 | Illuminating devices employing titanium dioxide photocatalysts An illuminating device is made from a transparent hollow envelope that encloses a filler gas. The envelope has inner and outer surfaces. The illuminating device has a coating of a fluorescent material deposited on the inner surface of the transparent envelope where ... | 01/02/2007 |
| 7052600 | Apparatus for treating water The inventive method and apparatus for treating water and water systems. The apparatus and method also assures the retention of calcium in drinking water provided to an animal by suppling water to a water feed line which is connected to a drinking device, oxidizing ... | 05/30/2006 |
| 6989095 | Fluid conditioner for reducing scale, corrosion and paraffin buildup in hydrocarbon piping A device utilizing a catalytic alloy, preferably the Walker Alloy, to reduced scale and paraffin buildup in surface hydrocarbon piping is disclosed. The device is presented in a basket filter configuration for ready servicing. A series of alternate embodiments for t... | 01/24/2006 |
| 6939611 | Window glass employing titanium dioxide photocatalyst A titanium dioxide film (2) having at least photocatalytic activity, whose light linear transmittance corresponding to light having a wavelength of 550 nm is not less than 50% and whose thickness is 0.1 to 5 μm or so, is formed on a transparent substrate ( | 09/06/2005 |
| 6937686 | Iron control in BWR's with sacrificial electrodes Method for controlling the level of iron in feedwater of a BWR wherein an iron-containing sacrificial electrode in placed contact with the feed water dissolution of the electrode is induced at a rate which provides a desired level of iron in the feedwater. ... | 08/30/2005 |
| 6929734 | Apparatus and method for feeding wire in treatment liquid The apparatus is provided with a wire guiding means disposed in a liquid bath for turning the direction of a wire to feed the wire into and out of the bath contained by the liquid. The wire guiding means includes a tubular conduit having a first open end disposed in... | 08/16/2005 |
| 6926811 | Arc-coating process with rotating cathodes A method is provided for coating objects in a vacuum chamber in which a physical vapor deposition (PVD) can be carried out. The chamber has at least one anode means, at least one cathode and at least one magnetic field source. An arc can be ignited between the at le... | 08/09/2005 |
| 6837985 | External counter electrode A system and process for cleaning a hollow interior or a passageway of a metal member including an external container having counter electrode material with a higher potential than the metal member with the counter electrode material being dc coupled to the metal me... | 01/04/2005 |
| 6689270 | Water treatment apparatus reducing hard water deposits in a conduit Water having dissolved salts therein causing scaling is treated by flowing through a passage in an elongate tubular member. The tubular member has a first metal inside surface exposed to the water. A second metal surface is positioned therein and the two ... | 02/10/2004 |
| 6672382 | Downhole electrical power system A downhole electrical power system provides long term electrical power in a downhole environment. In a described embodiment, a downhole electrical power system includes a power source which supplies electrical power to a well tool interconnected in a tubu... | 01/06/2004 |
| 6645365 | Chemical milling A system and process for chemical milling or stripping a surface portion and/or surface deposit from metal products, such as chemically milling a metal to remove surface defects and/or stripping non-metallic deposits from a metal surface. The metal produc... | 11/11/2003 |
| 6605212 | Removal of pollution from aqueous bodies A method and device for removing pollution from polluted water, consisting of a rod on which are mounted an array of spaced magnesium plates and an array of spaced copper plates. The copper plates are in contact with the magnesium plates. Polluted water p... | 08/12/2003 |
| 6332979 | Cooling tower water cleaning system A cooling tower water purification system uses an electrical cleaning method by passing water over or through an anode and a cathode. The pH of the water is monitored and adjusted using injected CO2 gas. The water can also be mechanically filte... | 12/25/2001 |
| 6294072 | Removal of metal oxide scale from metal products A system and process is provided for stripping metal oxide scale from metal products, such as stripping iron oxide scale from steel sheet and steel mill products. Steel having iron oxide scale compiling a layer of one or more iron oxide phases is associat... | 09/25/2001 |
| 6287450 | Apparatus and method for purifying water with an immersed galvanic cell A water purification system and method suitable for use in swimming pools, spas, hot tubs, water storage tanks, wells and water cooling towers employs a galvanic cell having a silver or copper or zinc anode electrically connected to a cathode made from a ... | 09/11/2001 |
| 6267883 | Water conditioner for eliminating scale A water and fuel conditioning device includes a core or casting made of 40-66% copper, 2-30% zinc, 10-25% nickel, 2-5% tin, 0-1.5% iron and 0-2% lead, all percentages being by weight. Water flowing in contact with this core exhibits greater electrical cha... | 07/31/2001 |
| 6264837 | Removal of pollution from aqueous bodies A method and device for removing pollution from polluted water, consisting of a rod on which are mounted an array of spaced magnesium plates and an array of spaced copper plates. The copper plates are in contact with the magnesium plates. Polluted water p... | 07/24/2001 |
| 6126820 | Apparatus for purifying liquids A liquid purification system comprises a flow cell housing electrodes capable of introducing ions into a liquid passing through the flow cell when a current supplied by a controller is applied across the electrodes. The controller is capable of supplying ... | 10/03/2000 |
| 6113779 | Electrical water purification apparatus An apparatus for water treatment, and in particular for electrical water purification in combination with a filtering apparatus for providing purified water for drinking and other application common in the home, farm or business. Metal, hydrogen and oxyge... | 09/05/2000 |
| 6017461 | Water purification systems An ion supply unit for a water system which is to have its contents purified includes a tank fed from a main water supply and an electrolytic ion generator including silver alloy electrodes. A pump circulates water from the tank through the ion generator ... | 01/25/2000 |
| 5935412 | Method and apparatus for eliminating odors in sewage systems A scrubber and method for precipitating a sulfide in water which contains hydrogen sulfide or a mercaptan. The scrubber includes a sacrificial first metal anode and a second metal cathode which are in physical and electrical contact and suspended into the... | 08/10/1999 |
| 5876575 | Method and apparatus for treatment of water There is disclosed a method, and the apparatus useful in the method, for the treatment of water in which the treatment unit is formed of a vessel having a treatment chamber with interior surfaces formed entirely of a nonferrous metal, preferably of copper... | 03/02/1999 |
| 5728288 | Apparatus and method for producing air containing minus alkali ion Production of air containing minus alkali ion. As shown in FIG. 2, there is shown an electric stone fine powder 20 having the grain size of 0.3 to 3 microns on the average, an electric stone carrier having the electric stone fine powder 20 uniformly mixed... | 03/17/1998 |
| 5658450 | Method of and device for industrial waste water treatment Waste water is purified by passing through a vessel in which small particles of insoluble cathodes interact with anodes to form galvanic couples. During this process, chemical reduction of ions of heavy metals in the water occurs by ions and hydroxides fo... | 08/19/1997 |
| 5543040 | Apparatus for purification of water-based fluids in closed-loop flow systems The present industrial purification system consists of an electronic power supply and control unit, an ionization delivery unit, having at least one unique Copper/Silver electrode rods. It's objective as applied to water-based fluids in a closed-loop flow... | 08/06/1996 |
| 5480522 | Self-energizing fluid treatment apparatus employing external electrodes In a method and apparatus for treating fluid flowing through piping so as to prevent the deposition of a calcium and magnesium scale on the piping, for example, positive and negative electrodes of electrically conductive materials having different electro... | 01/02/1996 |
| 5478458 | Water purifier A water purifier capable of accomplishing water purification in a water area in which water purification is desired by merely dipping it in water without any additional operation. The water purifier includes a hollow cylindrical cell chamber member, a sea... | 12/26/1995 |
| 5454917 | Apparatus and process for recovering metal from an aqueous solution The invention is an apparatus and process for recovering metal from a solution. This apparatus is a structure having an anode formed from a plurality of reducing metal elements and a cathode formed from a high surface area electrically conductive material... | 10/03/1995 |
| 5387324 | Method for providing an ionic change in fluid A method and apparatus produces an ionic change in fluid by causing the fluid to flow in specified sequence over electrodes having different electrochemical potentials. The last electrode which the fluid contacts is so selected as to provide the desired i... | 02/07/1995 |
| 5368705 | Fuel treatment and conditioning apparatus Apparatus for conditioning of fluids such as fuel compositions. The fluid to be treated is brought into contact with an alloy comprising zinc, manganese, copper, a precious metal and silicon. The alloy may be surrounded by one or more magnets to enhance o... | 11/29/1994 |
| 5358617 | Self-contained water treatment device A self-contained water treatment device to facilitate the washing of articles, such as clothes in a conventional washing machine, includes a body, a first electrode in the form of a layer of paint of an electrically conductive material integrated with the... | 10/25/1994 |
| 5328572 | Dual system using three electrodes to treat fluid The present invention is drawn to a method and apparatus for treating electrically conductive fluid. Positive and negative electrodes of electrically conductive materials having different electrochemical potentials are spaced apart and electrically isolat... | 07/12/1994 |
| 5258108 | Fluid-treatment and conditioning apparatus and method Apparatus and methods for conditioning of fluids such as water, aqueous solutions and fuel compositions. The fluid to be treated is brought into contact with an alloy comprising zinc, manganese, copper, a precious metal and silicon. The alloy may be elect... | 11/02/1993 |
| 5234555 | Method and apparatus for ionizing fluids utilizing a capacitive effect The present invention is drawn to a method and apparatus for treating electrically conductive fluid. In once such apparatus, positive and negative electrodes of electrically conductive materials having different electrochemical potentials are spaced apart... | 08/10/1993 |