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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 205/745 - Internal battery action


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which the water, sewage, or other waste
No. of patents: 61
Last issue date: 03/29/2011


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NumberTitleIssue Date
7914662Water treatment apparatus
A portable apparatus for treating polluted water by electrocoagulation. The apparatus comprising at least two electrodes (1,2). The apparatus also includes a housing (4), electrically isolated from the at least two electrodes (1,2), to which the...
03/29/2011
7070685Method and device for decontaminating water which contains metal and/or is radioactively contaminated
The invention relates to an efficient process and device for the decontamination of waters polluted with heavy metals, semimetals and/or radionuclides by cation exchange and electrochemical deposition of the anions. ...
07/04/2006
6929740Water purification system
A water purification apparatus used to prevent the formation of scale around electrodes which form part of the apparatus. The apparatus comprises at least one electrode containing a proportion of an ion-emitting electrode such as copper, silver or a copper and silve...
08/16/2005
6878268Apparatus for purification of water
Provided are an apparatus and a method for purification of water in which impurities in contaminated water can be removed with a reduced amount of flocculant and with high efficiency. The apparatus comprises, in the order from the side where contaminated water is in...
04/12/2005
6797179Method for removing dissolved metals from wastewater by electrocoagulation
A system is provided for removing dissolved metals from industrial wastewater by electrocoagulation. The system includes an electrocoagulation reactor with a DC power supply having an insulation support enclosure with positive and negative electrode plates disposed ...
09/28/2004
6689270Water 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
6562243SYNERGISTIC COMBINATION OF METAL IONS WITH AN OXIDIZING AGENT AND ALGAECIDE TO REDUCE BOTH REQUIRED OXIDIZING AGENT AND MICROBIAL SENSITIVITY TO FLUCTUATIONS IN OXIDIZING AGENT CONCENTRATION, PARTICULARLY FOR SWIMMING POOLS
A water purification system and method suitable for use in swimming pools, spas, hot tubs, water storage tanks, wells and water cooling towers adds (i) an oxidizing agent, preferably granulated or caked chlorine, (ii) metal ions, preferably silver from a ...
05/13/2003
6533942Cooling 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...
03/18/2003
6325944Method for installing and removing a liquid purification system
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 ...
12/04/2001
6322701Water treatment process
A process for the treatment of waste waters containing chemically reducible dissolved organic and inorganic pollutants and suspended mater in particulate or colloidal form. The process comprises of contacting the water with metallic iron or ferrous ions (...
11/27/2001
6309533Removal of oxygen from water
For alleviating acid mine drainage arising from oxygenated water passing through pyrite, the water is de-oxygenated in an intercepting protective layer, which comprises a mixture of grains of pyrite and grains of iron. The grain sizes, concentrations, etc...
10/30/2001
6287450Apparatus 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
6214203Anodic encasement corrosion protection system for pipe and appurtenances, and metallic components thereof
Corrosible metallic elements of pipe are protected by an anodic encasement sleeve. The anodic encasement sleeve employs an inner sacrificial anodic layer and an outer environmental barrier layer to provide both cathodic and barrier protection against corr...
04/10/2001
6207060Method for treating water to be provided to an animal
The inventive method 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 the water to retain calcium in the water in solution, ionizing the wate...
03/27/2001
6174444Removal of pollutants from effluents with electrochemical treatment
A method of treating an effluent such as acid mine drainage wherein the pH of the effluent is increased by dissolving metallic ions e.g. of zinc into the effluent, and the metallic ions are allowed to react with contaminants, such as sulphates or phosphat...
01/16/2001
6165339Apparatus and method for controlling molecular cluster in fluid
An apparatus is provided for treating a liquid by controlling molecular clusters in liquid in which a very narrow electric or magnetic energy field produced by at least two electrodes or magnetic poles spaced apart by less than 1 mm is applied to a liquid...
12/26/2000
6106787Method of and apparatus for treating fluids to alter their physical characteristics
Method and apparatus for altering the physical characteristics of liquids and gases. The fluid is pumped into an elongated cylindrical chamber whose elongated wall contains a multiplicity of spaced apart cylindrical holes under sufficient pressure to caus...
08/22/2000
6096222Agent to remove dissolved contaminants from water
An apparatus and method for removing hydrocarbon contaminants and heavy metal ion contaminants from wastewater stream comprising the introduction of iron ions into the stream. In one embodiment, the ions are introduced by applying an electrical current th...
08/01/2000
6083377Electrochemical treatment of water contaminated with nitrogenous compounds
Waters contaminated by nitrogenous compounds such as nitrate, ammonium, etc., are treated by electrochemical transformation of the contaminant to nitrogen gas. Electrodes are placed in the contaminated water to form a cell, in which the voltage of one of ...
07/04/2000
6017461Water 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
5980727Method and equipment for removing organic halogen compounds from water
The present invention relates to a method to at least extensively remove organic halogen compounds from water or an aqueous solution, at least one magnesium or aluminum anode (1) and at least one associated electrode (2) operating as the cathode dipping i...
11/09/1999
5965007Water and method for processing thereof
Water having small clusters and exhibiting far infrared effect. By virtue of this, when radiation of far infrared is applied thereto, molecules of the water resonate because of their oscillation frequencies having been changed to those of the oscillations...
10/12/1999
5954854Method for recovering etchant from etching waste liquid containing iron chloride
Method for recovering etchant from etching waste liquid 11 containing iron chloride is disclosed, wherein iron powder is mixed with iron chloride waste solution containing metal ions having a lesser ionization tendency than iron ion in an mixing vessel so...
09/21/1999
5935412Method 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
5876575Method 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
5868941Water treatment system
Treatment of halogenated hydrocarbon contaminants in groundwater is accomplished by passing the water through a bed of granular iron (43). An electrical circuit (47) is promoted for providing electrons for reducing the contaminant. The circuit may be made...
02/09/1999
5861091Process for electrochemically dissolving a metal such as zinc or tin
An improved electrochemical dissolution process for electrochemically dissolving a first metal by simultaneously creating hydrogen evolution at a second metal. The second metal is a metal that has a larger current exchange density for hydrogen evolution t...
01/19/1999
5744045Method of treating fluids
A method of treating fluid to reduce the concentration of undesirable materials such as metals, halogens and bacteria through the use of alloys of three or more inorganic elements which will give rise to three or more different redox potentials so as to c...
04/28/1998
5728288Apparatus 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
5718819Process and electrolyzer for the electrolysis of a fluid electrolyte
In order to improve a process for the electrolysis of a fluid electrolyte containing cations and anions in an electrolytic cell with a cathode and an anode located opposite the cathode such that primary energy not present in an electrical form, in particu...
02/17/1998
5665221Electrical apparatus for controlling liquid contaminants
A device is placed in a container containing flowing fluid to neutralize fluid contaminants and prevent their deposition on the walls of the container. The device includes a weak electrical current generator having an electric half-cell that forms an elec...
09/09/1997
5658450Method 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
5630934In-situ treatment system for inhibiting the formation of, and for alleviating, acidity in water
Treatment is described for acidity caused by water seeping down through a seam of acid-generating mineral such as pyrite. The pyrite oxidises through exposure to the atmosphere (as a result of mine workings). The treatment system creates an galvanic cell,...
05/20/1997
5480522Self-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
5454917Apparatus 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
5387324Method 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
5385653Method of and device for industrial waste water treatment
Waste water is purified by passing through a vessel in which small coal particles interact with metal to form galvanic couples which produce ions of Fe. These ions are involved in chemical reduction of ions of heavy metals and formation of a coagulating a...
01/31/1995
5368705Fuel 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
5332509Chemical process for removing organometallic compounds from water
A chemical process for selectively removing organometallic compounds from water supplies. The process utilizes a combination of a transition metal selected from the group consisting of nickel, copper, iron and zinc, and an electropositive metal selected f...
07/26/1994
5328572Dual 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
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