Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 8178356 | Method for evaluation of performance of percolation tanks using environmental chloride as a tracer Naturally present chloride concentration in natural water is utilized for the development of the technique to gauge the performance of percolation tanks in space and time. The chloride mass balance technique is simple, sensitive, reliable and yet powerful enough to ... | 05/15/2012 |
| 7943389 | Method for determining chlorine demand in water Methods for determining chlorine demand in water are provided. One method comprises (a) providing a test water sample containing at least one contaminant and a source of chlorine and a source of bromide; (b) heating the test water sample for a suitable time and temp... | 05/17/2011 |
| 7858379 | Apparatus and method for determining the concentration of iodine-containing organic compounds in an aqueous solution A method for determining the amount of a known iodine-containing organic compound in an aqueous solution. The method comprises electrochemically reducing the known iodine-containing organic compound in an aqueous medium to release iodide anions, chemically oxidizing... | 12/28/2010 |
| 7709265 | Method and system for measuring water hardness Prior to adding detergent or chelant, the conductivity of water in a washing chamber is measured. The maximum concentration of hard water ions that could correspond to the measured conductivity is determined, i.e., it is assumed that all of the conductivity is from ... | 05/04/2010 |
| 7531360 | Method of dechlorination treatment of flowing water, in particular upstream of a biological pollution detector A selective method of dechlorination treatment of circulating water containing disinfectant chlorine in the form of ClO−,HClO, ClO2 or chloramine, where an ascorbic acid aqueous solution is injected from a storage reservoir into the water flo... | 05/12/2009 |
| 7491546 | Reagent delivery and photometric chlorine analysis Water soluble analytical agents for chlorine analysis of water are delivered into a sample from a support that is beneficially moved in the sample to assist delivery and mixing. Beneficially, an immediate photometric analysis of free chlorine is provided, and variab... | 02/17/2009 |
| 7402299 | Intracorporeal medicaments for photodynamic treatment of disease New intracorporeal photodynamic medicaments and certain medical uses and methods for use of such photodynamic medicaments for treatment of disease in human or animal tissue are described, wherein a primary active component of such medicaments is a halogenated xanthe... | 07/22/2008 |
| 7396691 | Method for the detection of fluoride or hydrogen fluoride and detection kit The present invention relates to a method for detecting and/or measuring the concentration of fluoride (F−) or hydrogen fluoride (HF) in a sample, comprising the steps consisting of bringing said sample, in aqueous solution, into contact with a silylate... | 07/08/2008 |
| 7384623 | High energy phototherapeutic agents High energy phototherapeutic agents or radiosensitizer agents comprised of a halogenated xanthene, or other related agents that exhibit a preference for concentration in biologically sensitive structures in diseased tissue, and methods of treating and imaging using ... | 06/10/2008 |
| 7273588 | Methods of sampling halosilanes for metal analytes Methods for determining the amount of at least one metal analyte present in a liquid or gas sample of a halosilane supply (e.g., a chlorosilane supply) are disclosed herein. A sample of a halosilane supply is contacted and reacted with an aqueous hydrofluoric acid s... | 09/25/2007 |
| 7198955 | Method and apparatus for measurement of blood substitutes A method is disclosed whereby the concentration of a blood substitute, such as cross-linked hemoglobin, in a serum or plasma specimen is rapidly and accurately identified and quantified. The method further takes the measured concentration of the blood substitute and... | 04/03/2007 |
| 7189571 | Method for trace water analysis in cyclic siloxanes useful as precursors for low dielectric constant thin films An analytical technique for the accurate and precise measurement of trace water in chemical reagents, comprising the steps of combining a chemical reagent comprising ≦5 ppm water, with hexafluoroacetone (HFA), to form a sample mixture comprising at least the chemi... | 03/13/2007 |
| 7182873 | Method of fluoride-containing wastewater treatment First, a primary fluoric ion concentration detection process is performed, and a primary calcium salt addition process is performed to add calcium salt in a first reaction tank, wherein the dosage of the calcium salt in the primary calcium salt addition process is d... | 02/27/2007 |
| 7158890 | System and method for processing information related to laboratory tests and results A system and method are provided that addresses the need for an improved microbiology validation system that monitors and validates clinical culture laboratory test results as they occur throughout the testing lifecycle of a clinical culture. Techniques are provided... | 01/02/2007 |
| 7141153 | pK-matched running buffers for gel electrophoresis pK-matched buffers, each containing two effective buffering components: one weak base and one weak acid which have similar pKa at 25° C. (within 0.3 pK units). On agarose gels, the buffers in various concentrations were tested for separation of double-st... | 11/28/2006 |
| 7108784 | Apparatus for removal and destruction of ammonia from an aqueous medium Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact with either natural or synthetic zeolite. The spent zeolite is re-gen... | 09/19/2006 |
| 7074365 | Detector for halogen toxicants and method The invention herein provides for the detection of certain organic halogen-containing agents or toxicants such as sarin, chloropicrin, mustard gas, mustard chlorohydrin, phosgene, chlorine, soman, lewisite, diphosgene and others by, in one embodiment, first reacting... | 07/11/2006 |
| 7029630 | Ion-sensitive fluorescence optical sensor The present invention relates to optical ion sensors, including fluorescence optical ion sensors for use in liquid media in the fields of biology, biotechnology, chemistry, medicine, etc. The present invention provides for optical ion sensors that may be attached to... | 04/18/2006 |
| 6998057 | Method for monitoring and controlling chlorine levels in an aqueous medium A method for monitoring and adjusting the level of free chlorine in an aqueous fluid is described. In the described method, first aqueous fluid (50) substantially free of free chlorine is introduced into a suitable mixing vessel (26) wherein it contact... | 02/14/2006 |
| 6998271 | Luminescent sensory material for organic-halogen compounds, and methods and apparatus utilizing such A luminescent sensory material for the detection of the presence of organo-halogen compounds is described. This material is based on a platinum chromophore functionalized with pyridylacetylide ligands, as shown in Formulae I and II below. These complexes exhibit pos... | 02/14/2006 |
| 6960475 | Composition and process for indicating the presence of soluble fluoride ion in oral care compositions and method of making the same Disclosed is a process for indicating the presence of soluble fluoride ions in oral care compositions comprising making a signal solution and then bringing the signal solution into contact with an oral care composition and a color change occurs if an effective amoun... | 11/01/2005 |
| 6909929 | Stereolithographic method and apparatus for packaging electronic components A stereolithographic method and apparatus for applying packaging material to workpieces, such as preformed electronic components, including semiconductor dice, with a high degree of precision, and resulting articles. A machine vision system including at least one ca... | 06/21/2005 |
| 6890758 | Measurement of complexing agent concentration in an electroless plating bath The concentration of citrate complexing agent in an electroless cobalt or nickel plating bath is determined by titrating a sample of the electroless plating bath containing a small concentration of free fluoride ion with a standard lanthanum nitrate solution. During... | 05/10/2005 |
| 6881583 | Water chloramination control system A water chloramination control system compares the concentration of aqueous higher chloramines to aqueous ammonia to optimize the ratio of added ammonia to chlorine. Aqueous ammonia concentration is measured by conversion to monochloramine which concentration is det... | 04/19/2005 |
| 6777242 | Aqueous solution based on an azo dye, process for its manufacture and use thereof The present invention relates to a stable aqueous solution (A) comprising an azo dye, a borate buffer and one or more masking agents, wherein the azo dye changes its coloration or coloration intensity in the presence of chlorine dioxide. The present invention furthe... | 08/17/2004 |
| 6753186 | Water quality monitoring and transmission system and method A water quality sampling system and method in which compact water impurity detector and monitoring units intended for domestic use are installed in a residential environment while detected values are electronically transmitted to a Central Monitoring Station (CMS), ... | 06/22/2004 |
| 6689618 | Method and test strip of detecting oxidizing adulterant in urine A single reagent system and a method to detect and measure oxidizing adulterants in bodily fluid being screened for drugs of abuse are disclosed. The system comprising a strip containing 0.05 to 0.2 micromole/25 sq. mm. of a benzidine derivative and is us... | 02/10/2004 |
| 6673226 | Voltammetric measurement of halide ion concentration The concentration of chloride ion in an acid copper electroplating bath is determined from the effect that chloride exerts on the copper electrodeposition rate in the presence of organic additives. A cyclic voltammetric stripping (CVS) rate parameter is m... | 01/06/2004 |
| 6627450 | Method of measuring chlorine content in aqueous solution Methods of measuring free and total chlorine content in solutions are provided without lowering the pH of the solution to the acid range by modifying a solution containing chlorine and water to contain a proton donating compound and electrochemically meas... | 09/30/2003 |
| 6617168 | Evaluation method and evaluation system of free hypohalous acid concentration The present invention provides an evaluation method and an evaluation system of free halogen concentration which eliminate the necessity of early exchanging or recycling of catalysts, as compared with a conventional method or system. In the present evalua... | 09/09/2003 |
| 6602717 | Apparatus for eliminating halide ions from aqueous solutions and method to remove halide ions from liquid aqueous samples Apparatus for eliminating halide ions such as chloride ions from aqueous solutions having a hollow cylindrical sample holding chamber (2), the front end of which has an orifice (3) and in the vicinity of which is disposed a filter plate (4) that extends o... | 08/05/2003 |
| 6599747 | Soil test A test for determining the bioavailable fraction of an organic pollutant present in soil comprises determining the fraction of the organic pollutant present in the soil which may be extracted by a cyclodextrin or derivative thereof.... | 07/29/2003 |
| 6589796 | Method for measuring iodine and reaction instrument for specimen pretreatment A iodine-measuring method for determining or detecting iodine concentration in a specimen, comprising a specimen-pretreating step of thermally digesting a specimen together with an oxidizing agent, and a subsequent reaction-measuring step of reacting the ... | 07/08/2003 |
| 6537823 | Method for detection of bromine in urine using liquid chemistry dry chemistry test pads and lateral flow This invention is in the field of toxicology and clinical diagnostics. More specifically, this invention provides a single dry chemistry, liquid chemistry, or lateral flow dry chemistry combination test device for use in the detection of adulteration by t... | 03/25/2003 |
| 6521461 | Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes A method for removing one or more fluorinated alkenes from a fluid comprises the step of contacting the fluid with an N-, S-, or P-containing nucleophile for a time sufficient to form an N-, S-, or P-containing nucleophile-fluoroalkene adduct. The nucleop... | 02/18/2003 |
| 6472223 | Method and system for continuously monitoring and controlling a process stream A method for directly monitoring and controlling a continuous process stream for dechlorination residual is provided. A sample stream to which a dechlorination agent has been added to completely eliminate a residual disinfectant is continuously drawn off.... | 10/29/2002 |
| 6413473 | Multicomponent test systems useful in analyzing liquid samples, and uses therefor The invention relates to multicomponent test systems which indicate the concentration of one or more analytes in a liquid sample, as well as the effect of action on the sample which results in an increase or decrease of the concentration of the analyte un... | 07/02/2002 |
| 6398961 | Device and method for sensing low level iodine in aqueous solution The present invention relates to a method and to a device for sensing low levels of iodine in an aqueous solution by using an extraction procedure whereby iodine from the aqueous solution is extracted into a substantially water-insoluble organic phase, an... | 06/04/2002 |
| 6315950 | Controlling chlorination of wastewater and chloramination of drinking water A method is described for precisely controlling chlorination of wastewater and chloramination of drinking water. The method involves analyzing the water for the presence of residual monochloramine without interference of dichloramine, organic amines, orga... | 11/13/2001 |
| 6255117 | Method and device for determining monopersulfate A test method and device are described for quantitatively determining the presence and concentration of monopersulfate ion in aqueous solution. Contacting the aqueous solution containing monopersulfate ion with a test strip in accordance with the inventio... | 07/03/2001 |
