Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 8158077 | Composition for detection and model for evaluation of food packaging material using the same The present invention provides a composition for detecting an object substance (X). This detection composition contains a gel (Y). The gel (Y) contains a colorable aqueous solution (A) that can be colored upon contact with the object substance (X), and a crosslinked... | 04/17/2012 |
| 8153439 | Chemical sensors for detecting volatile organic compounds and methods of use The presently-disclosed subject matter provides sensors and methods for detecting volatile organic compounds (VOCs) by determining the conductivity of a chemiresistant film upon exposure to VOCs, including for example chemiresistant films comprised of surfactant-coa... | 04/10/2012 |
| 8017404 | Steroid hormone assay method The level of a steroid hormone, including estrogen, in the stratum corneum of the skin is assayed by LC-MS analysis of a steroid hormone in the stratum corneum of the skin collected by a tape stripping method. This allows the concentration in the skin of the steroid... | 09/13/2011 |
| 7858380 | Sol-gel encapsulated hexanuclear clusters for oxygen sensing by optical techniques A light modifying ceramic composition comprises an oxygen permeable sol-gel matrix and a lumophore held on the matrix. In particular, the lumophore of the invention is a hexanuclear molybdenum/tungsten core having 12 anionic ligands and two ligands that are uncharge... | 12/28/2010 |
| 7829342 | Selective aliphatic C-H oxidation A composition including a complex of a metal, a tetradentate ligand, at least one ancillary ligand, and a counterion may be used for selective sp3 C—H bond oxidation. The tetradentate ligand may include a N-heterocyclic-N,N′-bis(pyridyl)-ethane-1,2-di... | 11/09/2010 |
| 7781221 | System and method of compensating for system delay in analyte analyzation A system configured to determine information related to one or more gaseous analytes in a body of gas comprises a luminescable material, one or more emitters, one or more photosensitive detectors, and a processor. The emitters emit amplitude modulated electromagneti... | 08/24/2010 |
| 7579193 | Method and device for characterizing osi material Methods and apparatus for characterising OSI-materials provide for: introducing the material into a measurement cell; subjecting the material to a gas mixture containing oxygen; permitting a certain time or at certain time interval or intervals to elapse; measuring ... | 08/25/2009 |
| 7491547 | Filter for gas sensor A filter that allows specific detection of ethylene oxide by a non-specific electrochemical gas sensor through the removal of potential interferent gases, such as alcohols, and carbon monoxide. The filter contains an oxidizing agent that will oxidize the interferent... | 02/17/2009 |
| 7442552 | Pressurized oxygen for evaluation of molding compound stability in semiconductor packaging A test environment and an associated method of testing and analyzing a semiconductor package material containing a molding compound, for stability in a sustained oxygen environment. Test samples are exposed to a pressurized gas containing oxygen, under elevated temp... | 10/28/2008 |
| 7442553 | Method for determining the amount of the maleimidyl groups of a particle A method for quantitatively determining the amount of maleimidyl groups on a polymer fine particle containing at least maleimidyl groups, by allowing a fluorescent material having an SH group to react with the maleimidyl groups and determining the amount of maleimid... | 10/28/2008 |
| 7429358 | Method and apparatus for measuring gas sorption and desorption properties of materials The invention relates to a method and an apparatus (herein referred to as a “gas sorption/desorption analyzer”) for measuring the gas sorption properties of substances (for example hydrogen sorption by metal alloys). Measurements include: Pressure Composition Te... | 09/30/2008 |
| 7425452 | Pump-and-probe method for estimating strength of forming photochemical ozone and apparatus therefor A method of estimating strength of forming photochemical ozone utilizing a pump and probe technique is disclosed along with an apparatus for estimating strength of forming photochemical ozone utilizing a pump and probe means whereby strength of forming photochemical... | 09/16/2008 |
| 7422904 | Method of operating a fixed bed reactor under predetermined hydraulic conditions The invention provides a system for designing, operating, monitoring and/or diagnosing a chemical reaction, particularly a hydrotreating process, using a fixed bed catalytic reactor. ... | 09/09/2008 |
| 7387764 | Contained oxygen analyzing apparatus and contained analyzing method An apparatus for analyzing the amount of gas in a solid sample such as a contained oxygen analyzing apparatus and method utilizing a preliminary reducing furnace which can be connected to an analyzing furnace by a transfer unit. A sample such as steel can be reduced... | 06/17/2008 |
| 7378283 | Reaction monitoring of chiral molecules using fourier transform infrared vibrational circular dichroism spectroscopy A method and apparatus to monitor the enantiomeric excess of chiral molecules participating in a chemical reaction. The method includes real time monitoring of the chemical reaction by obtaining a VCD spectra and an IR spectra of the chemical compounds in the reacti... | 05/27/2008 |
| 7358092 | Method for the determination of 25-hydroxycholecalciferol in feed A method for quantitative determination of 25-hydroxycholecalciferol in feed is described. The method includes the steps of adding a defined amount of an internal standard which has a mass different from 25-hydroxycholecalciferol and a polarity similar to that compo... | 04/15/2008 |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the compressed air. The liquid passes through the vaporizer generally downward... | 03/04/2008 |
| 7338778 | Luminescent method for determining cell oxygen consumption The present invention relates to methods for detection and evaluation of metabolic activity of eukaryotic and/or prokaryotic cells based upon their ability to consume dissolved oxygen. The methods utilize a luminescence detection system which makes use of the sensit... | 03/04/2008 |
| 7300796 | Pressurized oxygen for evaluation of molding compound stability in semiconductor packaging A test environment and an associated method of testing and analyzing a semiconductor package material containing a molding compound, for stability in a sustained oxygen environment. Test samples are exposed to a pressurized gas containing oxygen, under elevated temp... | 11/27/2007 |
| 7285246 | Hand-held fluid analyzer A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule positioned inside the housing is ruptured by manual pressure through the wall... | 10/23/2007 |
| 7255836 | Analytical sensitivity enhancement by catalytic transformation A device and method for quantifying an impurity in an input gas stream. The device and method employ a catalyst to convert the impurity to a detectable species in an output gas stream, and the concentration of the detectable species is then measured by means of a de... | 08/14/2007 |
| 7229594 | Device for dispensing accurately-controlled small doses of liquid The invention provides a device for dispensing accurately-controlled small quantities of at least one liquid, comprising a liquid supply (L); a gas supply (G), arranged to selectively supply a gas pressure; and a capillary duct (20) adapted to be filled with ... | 06/12/2007 |
| 7229836 | Polymers for binding of phenols The invention relates to a method for the detection and/or measurement of a phenol comprising: (a) contacting the sample to be tested with a polymer imprinted with the phenol or an analogue thereof; and (b) measuring binding of the phenol to the polymer. The polymer... | 06/12/2007 |
| 7220553 | Use of Russell's viper venom-induced plasma factor Xa activity to monitor the activity of factor Xa inhibitors The invention relates to a method of monitoring the effect of a direct of indirect Factor Xa inhibitors comprising the steps of collecting a plasma sample from a patient, adding a solution of Russell's viper venom to the plasma sample and measuring the clotting time... | 05/22/2007 |
| 7211222 | Gas sensor A powder filler is stuffed in a filler space defined between a housing and a gas sensing element so as to airtightly seal a clearance between the housing and the gas sensing element. The powder filler contains grains whose diameter is in a range from 80 μm to 5,000... | 05/01/2007 |
| 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 |
| 7166470 | Formation of combinatorial arrays of materials using solution-based methodologies A combinatorial method for discovering or optimizing materials is disclosed. The method uses solution-based components that are mixed and dispensed into regions on a substrate for drying and/or heat-treating. The drying and/or heat-treating produces materials that c... | 01/23/2007 |
| 7163197 | Liquid substance supply device for vaporizing system, vaporizer, and vaporization performance appraisal method In a liquid substance supply device, a three port two valve directional control valve is provided in a transfer line, and a substance container and the transfer line are connected together by a four port three valve directional control valve in such a way that the f... | 01/16/2007 |
| 7150997 | Multiplexed active biologic array A method of addressing and driving an electrode array includes the step of addressing one or more electrodes within the array using a plurality of row and column lines. In one aspect of the method, a value corresponding to a voltage is stored in a local memory assoc... | 12/19/2006 |
| 7112448 | MBTH for aliphatic aldehyde measurement A new method is proposed where a limited amount of MBTH is used to detect a point of interest (POI) of an aldehyde in a test sample. Preferably, it reacts with aldehyde first to form an azine. Only if there is remaining MBTH, it is oxidized to another species which ... | 09/26/2006 |
| 7112443 | High throughput permeability testing of materials libraries A library of material samples is screened for properties such as permeability. A library of material samples is provided. A stimulus such as an exposure to a permeate fluid is provided to each member of the library. A response of each of the material samples due to ... | 09/26/2006 |
| 7101717 | Addressable biologic electrode array An addressable biologic electrode array includes an array of electrodes disposed on a support, the array of electrodes being selectively addressed and driven using a memory associated with each electrode of the array, the driven electrodes being driven at one of a p... | 09/05/2006 |
| 7090806 | Portable oxygen sensor analyzer A portable, inexpensive, and easy to operate vehicle oxygen sensor analyzer shows, in real time, on an ultra-bright LED display, the dynamic operation of the oxygen sensor, simulates sensor signals into the computer, while monitoring the oxygen sensor to confirm cor... | 08/15/2006 |
| 7067323 | System and method for automated headspace analysis A system and method for nondestructive automated headspace analysis. The system includes a container conveyor that conveys a plurality of generally optically transparent sealed test containers through a pre-inspection region, an inspection region and a post-inspecti... | 06/27/2006 |
| 7045097 | Biologic electrode array with integrated optical detector A biologic electrode array is formed on a semiconductor substrate. A matrix of electrode sites is disposed on the semiconductor substrate. A matrix of optical detectors is disposed beneath the electrode sites in the semiconductor substrate, wherein each electrode si... | 05/16/2006 |
| 7040148 | Exhaust treatment apparatus An exhaust treatment apparatus has an arm rotatably supported on a test bed and a masking section provided at the distal end portion of the arm. The masking section is connected to an exhaust treatment section via an exhaust pipe. When the arm is turned to a test po... | 05/09/2006 |
| 7026165 | Calibration-free optical chemical sensors An apparatus and method for taking absorbance-based chemical measurements are described. In a specific embodiment, an indicator-based pCO2 (partial pressure of CO2) sensor displays sensor-to-sensor reproducibility and measurement stability. The... | 04/11/2006 |
| 6970729 | Method and device for determining local distribution of a measuring parameter A system and method for determining the local distribution of measurement variables being measured relative to or present in a predefined measurement area of a biological sample wherein in a first optical measuring process the local distribution of a first of the me... | 11/29/2005 |
| 6967104 | Rapid method for estimation of Chemical Oxygen Demand The present invention relates to a rapid method for estimation of Chemical Oxygen Demand (COD) of water, COD is an important parameter for determining the extent of pollution in water bodies, the basic principle of COD estimation is not much different from prior art... | 11/22/2005 |
| 6958243 | Organic reactions with CO generating materials The present invention is drawn to a method of performing a one-pot organic reactions including carbon monoxide as reactant, without the use of an external CO gas source, wherein a reaction mixture containing a solid or liquid CO releasing compound, a non-metal subst... | 10/25/2005 |
