The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7658834 | Method and apparatus for generating hypochlorous acid (HOCL) A hypochlorous acid generator includes a brine tank for holding salt and a brine solution, the brine tank having a water inlet in fluid communication with a source of pressurized water, a brine solution outlet and a salt fill port to allow salt to be added to the br... | 02/09/2010 |
| 7362891 | Automated document processing system using full image scanning A document processing system comprises an input receptacle for receiving documents. A transport mechanism receives the documents from the input receptacle and transports the documents past an image scanner and a discrimination unit. An output receptacle receives the... | 04/22/2008 |
| 7285194 | Conductive diamond electrode and process for producing the same A conductive diamond electrode including a conductive substrate comprising a carbonaceous material, a conductive diamond catalyst layer formed on a surface of the conductive substrate, and a carbon fluoride formed on an exposed portion present on the surface of the ... | 10/23/2007 |
| 7261821 | Process for treating an aqueous system with chlorine dioxide This invention relates to an automated process for efficiently treating an aqueous system with chlorine dioxide. The process results in high efficiency yields of chlorine dioxide on a continuous basis by minimizing the waste of precursor chemicals. Additionally, the... | 08/28/2007 |
| 7251027 | Real time in situ monitoring of a solution A real time in situ system and method for monitoring solutions, such as basic hydrogen peroxide (BHP) and other laser fuel solutions, is provided. Raman spectroscopy is applied to a solution of interest to provide substantially real time and in situ characterization... | 07/31/2007 |
| 7244348 | System and method for treatment of ballast water A system and method for treating ballast water within an ocean going vessel by generating hypochlorite for treating the ballast water. The system comprises one or more hypochlorite electrolytic cells in fluid communication with a stream of ballast water. A chlorine ... | 07/17/2007 |
| 7241390 | Method and system for biologic decontamination of a vessel's ballast water A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating current, and parallel perforated electrodes, for providing an effective a... | 07/10/2007 |
| 7238266 | Method and apparatus for fluorine generation and recirculation The invention relates to apparatus and methods for generating and recycling fluorine. The applicants recognized that a fluorine separator, used either alone or in combination with a plasma generator can produce sufficient quantities of fluorine at its point of use f... | 07/03/2007 |
| 7195782 | Concentrated aqueous bromine solutions and their preparation Described is a process of producing a concentrated liquid biocide formulation. Mixed together are (a) bromine chloride or bromine and (b) an aqueous solution of alkali metal salt of sulfamic acid having a pH of at least about 7, in amounts such that (i) the active b... | 03/27/2007 |
| 7179363 | Electrolytic process for generating chlorine dioxide An electrolytic process for generating chlorine dioxide. An aqueous feed stream of an alkali metal chlorite solution is treated with chlorine gas or a mixture of hydrogen chloride and hypochlorous acid formed in an anode compartment from, an aqueous alkali metal chl... | 02/20/2007 |
| 7169287 | Decomposition apparatus and decomposition method A decomposition apparatus that decomposes a decomposition target is provided. The decomposition apparatus includes a decomposition chamber having a decomposition section that continuously decomposes the decomposition target, an introducing device that continuously i... | 01/30/2007 |
| 7087251 | Control of biofilm A method of eradicating or at least substantially reducing biofilm on a surface in contact with water, or which comes in contact with water, which method comprises introducing into such water a concentrated aqueous biocidal composition formed from bromine chloride a... | 08/08/2006 |
| 7048842 | Electrolysis cell for generating chlorine dioxide A method for making chlorine dioxide, by passing an aqueous feed solution comprising sodium chlorite into a non-membrane electrolysis cell comprising an anode and a cathode, adjacent to the anode, while flowing electrical current between the anode and the cathode to... | 05/23/2006 |
| 7045109 | Conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate Process for the conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate, said process with the following sequential steps: reaction of sodium bromide and sulfuric acid in a solution of water to produce hydrobromic acid and sodium bisulfate wh... | 05/16/2006 |
| 6964739 | Device and method for generating and applying ozonated water The present invention is a device and method for ozonating water and applying the ozonated water to surfaces for cleaning purposes. The instant invention allows a user to transform water into a liquid with more robust cleaning properties conveniently and in a short ... | 11/15/2005 |
| 6939569 | Medical device having anti-infective and contraceptive properties There is disclosed a medical device for implantation that acts to prevent transmission of infectious agents. Specifically, the present invention provides implantable devices, such as catheters or living skin matrices or wound dressings, for insertion into various bo... | 09/06/2005 |
| 6926819 | Method for generating sterilizing wash water and a portable apparatus thereof In a method and an apparatus for generating a portable sterilizing water that can be easily used at, for example, hospitals, cafeterias of nursing facilities, restaurants, hair salons or homes, an electrolyzer is structured such that a tubular-shaped ferrite anode a... | 08/09/2005 |
| 6913741 | System and process for producing halogen oxides A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes feeding a dilute aqueous alkali metal halite solution into a cation exchange column, wherein the cation exchange column contains a cation exchange material;... | 07/05/2005 |
| 6908636 | Microbiological control in poultry processing In the processing of poultry, equipment, instruments, apparatus and/or water used in such processing, and/or carcasses and/or parts of poultry resulting from the processing of poultry, are disinfected with aqueous solutions of certain halogen-based microbiocides, es... | 06/21/2005 |
| 6881320 | Generator for generating chlorine dioxide under vacuum eduction in a single pass A vacuum operated electrolytic generator can be used to produce a chlorine dioxide solution or a mist of chlorine dioxide from a buffered aqueous alkali metal chlorite solution in one pass through an electrolytic cell. The cell contains a high surface area anode, a ... | 04/19/2005 |
| 6869518 | Electrochemical generation of chlorine dioxide A method of producing chlorine dioxide gas in an enclosed space including the steps of electrochemically generating chlorine dioxide gas in an electrochemical cell and transporting the chlorine dioxide gas to the enclosed space. ... | 03/22/2005 |
| 6773575 | Electrolytic cell and process for the production of hydrogen peroxide solution and hypochlorous acid An electrolytic cell and process for the simultaneous production of hydrogen peroxide and hypochlorous ion. The electrolytic cell has an anode chamber housing an insoluble anode capable of oxidizing halide ion, a cathode chamber housing a gas diffusion cathode capab... | 08/10/2004 |
| 6740223 | Electrolytic process for the production of chlorine dioxide Chlorine dioxide is produced at high conversion rates from aqueous sodium chlorite solution by electrochemical oxidation in an undivided electrochemical cell. The cell utilizes an anode of high surface area through which the aqueous sodium chlorite solution flows in... | 05/25/2004 |
| 6544401 | Biomimetic water solutions and compositions, their use as and in health and beauty care products and the methods to prepare them The invention is directed to compositions of health and beauty care products which are produced by mimicking the human body's own defense mechanisms and the methods to produce and use such compositions. The products are water based, oil and surfactant fre... | 04/08/2003 |
| 6440293 | Electrode and electrolyte for use in preparation of nitrogen trifluoride gas, and preparation method of nitrogen trifluoride gas by use of them An electrode for electrolyzing an electrolyte comprising an ammonium fluoride (NH4 F)-hydrogen fluoride (HF)-containing molten salt and having a composition ratio (HF/NH4 F) of 1 to 3 to prepare a nitrogen trifluoride (NF3... | 08/27/2002 |
| 6322690 | Chemical method The invention relates to a process for production of an alkaline hydrogen peroxide solution and an acidified alkali metal salt solution containing chlorate in an electrochemical cell including an anode compartment provided with an anode and a cathode comp... | 11/27/2001 |
| 6306281 | Electrolytic process for the generation of stable solutions of chlorine dioxide Chlorine dioxide dissolved in water is produced by passing a solution of stabilized chlorine dioxide or sodium chlorite solution, with or without added sodium chloride, through an electrolytic cell having an anode and cathode, in the absence of a semi-per... | 10/23/2001 |
| 6284144 | Water treatment Method of controlling biofouling and microorganism population levels in a water system, comprising adding to the water a redox buffer and oxidizing thereafter. The redox buffer may be a peroxide or hydrogen peroxide (H2 O2), which is... | 09/04/2001 |
| 6203688 | Electrolytic process for producing chlorine dioxide A process for converting in a single pass an aqueous alkaline pH, alkali metal chlorite solution into an aqueous chlorine dioxide-containing solution that involves the combination of (1) using an electrochemical acidification cell to lower the pH value of... | 03/20/2001 |
| 6165343 | Process for generating bromine compound The present invention provides a process for generating an aqueous solution containing at least one active bromine compound comprising the steps of: electrolyzing an aqueous solution containing bromide ions until bromate ions are formed in said aqueous so... | 12/26/2000 |
| 6165331 | Electrolysers A bipolar metal electrode for the electrolysis of hydrochloric acid, comprising a nickel alloy cathode plate and a titanium anode mesh coupled together by a hydrogen barrier, where the hydrogen barrier is an aluminum plate, where the titanium anode mesh i... | 12/26/2000 |
| 6132591 | Method for removal of sulfate groups and chlorate groups from brine In removal of sulfate groups and chlorate groups from brine used for electrolysis, concentrated brine used in an electrolysis process or dilute brine whose concentration is decreased by electrolysis is fed to an anode chamber divided by a cation exchange ... | 10/17/2000 |
| 6126810 | Generation of active chlorine in the presence of an organic load from sodium chloride in water A recirculation system for electrochemically activated antimicrobial solutions returns antimicrobial solution which has been depleted of active antimicrobial species to a electrolytic cell for regeneration of the active species. Organic load, which freque... | 10/03/2000 |
| 6093305 | Method of producing hydrogen halide and oxygen The present invention discloses a method of producing hydrogen halide and oxygen by reacting water and halogen as represented by the following formula: H2 O+X2 .fwdarw.HX+1/2O2 ( 1) (wherein, X represents a h... | 07/25/2000 |
| 6086746 | Efficient inhibition of bacterial and algicidal activity in aqueous media Operating efficiency of an electrobromination device providing disinfectant to an aqueous medium such as a swimming pool, spa, or water-cooled refrigeration unit is achieved by passing electric current across an undivided cell through which is flowing an ... | 07/11/2000 |
| 5965009 | Method of producing acid water and electrolytic cell therefor A method of electrolytically producing acid water using an electrolytic cell partitioned by a cation-exchange membrane into an anode chamber and a cathode chamber. Chloride ion which generates hypochlorous acid by anodic oxidation is supplied to the catho... | 10/12/1999 |
| 5965004 | Chlorine dioxide generation for water treatment Chlorine dioxide is generated by electrochemical oxidation of sodium chlorite in an anode compartment of a cation-exchange membrane-divided cell in the presence of significant quantities of sodium chlorate and is recovered in a suitable recipient medium b... | 10/12/1999 |
| 5961813 | Process for direct electrochemical gaseous phase phosgene synthesis An electrochemical cell (1 ) having a proton-conducting membrane (4) is used in the process for the direct electrochemical gas phase synthesis of phosgene. Dry HCl gas and dry CO gas are supplied as the educts to the anode (2) of the electrochemical cell ... | 10/05/1999 |
| 5932085 | Chlorine dioxide generation for water treatment Chlorine dioxide is generated by electrochemical oxidation of sodium chlorite in an anode compartment of a cation-exchange membrane-divided cell and is recovered in a suitable recipient medium by passing the chlorine dioxide through a hydrophobic micropor... | 08/03/1999 |
| 5858201 | Strong acid sterilizing liquid containing hypochlorous acid at a low concentration, method and apparatus for generating same, and apparatus for generating and dispensing same A strong acid sterilizing liquid containing hypochlorous acid at a low concentration consists of electrolyzed salt water, wherein the pH of the liquid is 3 or less and the concentration of the hypochlorous acid is 0.2 ppm to 2 ppm.... | 01/12/1999 |