Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7371562 | Guided mode resonant filter biosensor using a linear grating surface structure Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also provides optical devices useful as narrow band filters. ... | 05/13/2008 |
| 7314505 | Stationary phase deposition based on onium salts Onium salt chemistry can be used to deposit very uniform thickness stationary phases on the wall of a gas chromatography column. In particular, the stationary phase can be bonded to non-silicon based columns, especially microfabricated metal columns. Non-silicon mic... | 01/01/2008 |
| 7223607 | Process and device for the detection of hydrocarbons in a gas The invention relates to a process for the detection of hydrocarbons other than methane in a gas predominantly or essentially comprising oxygen, as well as methane and the said hydrocarbons other than methane, the said process comprising: ... | 05/29/2007 |
| 6887069 | Real-time combustion controls and diagnostics sensors (CCADS) The present invention is directed to an apparatus for the monitoring of the combustion process within a combustion system. The apparatus comprises; a combustion system, a means for supplying fuel and an oxidizer, a device for igniting the fuel and oxidizer in order ... | 05/03/2005 |
| 6709632 | ICP analyzer An ICP analyzer has a nebulizer for nebulizing a sample fluid for the purpose of analyzing microscopic impurities within the sample fluid, a plasma torch for introducing nebulized spray into a plasma, and a spray chamber disposed between the nebulizer and the plasma... | 03/23/2004 |
| 6627454 | Method and system for gas chromatography The invention provides a gas chromatography method for analyzing materials vaporizable in a gas chromatograph system, the method including filling a sample injection device with a sample of the compounds to be analyzed; transferring the sample compounds i... | 09/30/2003 |
| 6429020 | Flashback detection sensor for lean premix fuel nozzles A sensor for detecting the flame occurring during a flashback condition in the fuel nozzle of a lean premix combustion system is presented. The sensor comprises an electrically isolated flashback detection electrode and a guard electrode, both of which ge... | 08/06/2002 |
| 6238622 | Flame ionization detector A flame ionization detector burner, includes a housing having a generally cylindrical flame cavity therein extending along a generally longitudinal axis of the housing and a housing exterior with intake passageways communicating between the housing exteri... | 05/29/2001 |
| 6043444 | Microwave sensor for sorting lean muscle Apparatus and method are provided for temperature calibration of a microwave sensor unit used in non-destructively measuring and monitoring meat parameters such as fat, protein, and moisture content of a meat supply presented into the sensor unit. The app... | 03/28/2000 |
| 5958777 | Device for determining CO2 and CO in a geologic sediment A device for determining at least one petroleum characteristic of a geologic sediment sample placed in a boat, said device including a first heater heating said sample in a non-oxidizing atmosphere, a measuring component determining hydrocarbon-containing... | 09/28/1999 |
| 5853664 | Flow modulation for facilitating detector ignition Method for the analysis of one or more analytes present in a sample carried in a first fluid. The first fluid is combined with a first detector fluid and a second detector fluid to provide a fluid mixture which flows across the surface of an igniter. The ... | 12/29/1998 |
| 5843787 | Method allowing the fast assessment of at least one petroleum characteristic of a rock sample-application to a reservoir comprising heavy oils A method allowing fast assessment of at least one petroleum characteristic of geologic sediments from a sample of these sediments, said method comprising heating the sample in a non-oxidizing atmosphere, and which method comprises different temperature ri... | 12/01/1998 |
| 5811308 | Method for determining petroleum characteristics of geologic sediments The present invention relates to a method for determining at least one petroleum characteristic of a geologic sediment sample heated in a non-oxidizing atmosphere and an oxidizing atmosphere. The sample is heated to a first temperature value below 200° C... | 09/22/1998 |
| 5786225 | Method for evaluating a pollution characteristic of a soil sample A method of evaluating at least on type of pollution characteristic in a soil sample contaminated by hydrocarbon compounds, a method wherein the soil sample is first heated in a non-oxidizing atmosphere, then in an oxidizing atmosphere. The method compris... | 07/28/1998 |
| 5750410 | Method of and apparatus for immune analysis A total reflection cell has a total reflection prism on at least one surface thereof. A mixed solution containing a gold colloid labelled antibody which is adsorbed on a gold colloid is stored in the total reflection cell, and a sample solution containing... | 05/12/1998 |
| 5741711 | Flame-based method and apparatus for analyzing a sample A flame based method for analyzing a sample by introducing the sample into a combustible gas mixture, igniting the combustible gas mixture to produce a flame, and detecting a characteristic of the resulting flame to determine the identity and/or concentra... | 04/21/1998 |
| 5723091 | Flow modulation for facilitating detector ignition Method and apparatus for the analysis of one or more analytes present in a sample carried in a first fluid. The first fluid is combined with a first detector fluid and a second detector fluid to provide a fluid mixture which flows across the surface of an... | 03/03/1998 |
| 5665604 | Method and apparatus for detecting halogenated hydrocarbons A halogenated hydrocarbon (HHC) detector is formed from a silent discharge (also called a dielectric barrier discharge) plasma generator. A silent discharge plasma device receives a gas sample that may contain one or more HHCs and produces free radicals a... | 09/09/1997 |
| 5665602 | Method for the determination of the fat content of samples, preferably organic samples In a method for the determination of the fat content of samples, preferably organic samples, fat portions are dissolved out of the sample by means of extraction. A high boiling point solvent is used for extraction. Through the use of a high boiling point ... | 09/09/1997 |
| 5595709 | Instrument for measuring non-methane organic gases in gas samples An analytical system for measuring the concentration of non-methane organic gases within a test sample including methane and non-methane component groups. In one version, a dual column analysis system utilizes a metal column and a porous layer open tubula... | 01/21/1997 |
| 5576626 | Compact and low fuel consumption flame ionization detector with flame tip on diffuser A compact and low fuel consumption flame ionization detector includes a precisely pored metallic disk or a silicon micro-machined diffuser plate through which the sample gas tube extends a minimum distance (less than 2 mm). The oxidant flows into the dete... | 11/19/1996 |
| 5478452 | In situ isolation of volatile organic compounds from groundwater Methods and apparatus for in sire isolation of volatile organic compounds from groundwater using electrolytically-generated purge gas are disclosed. One preferred method includes electrolytically generating a purge gas from the ground water, passing the p... | 12/26/1995 |
| 5432095 | Partial permixing in flame-ionization detection A method of detecting a concentration of contaminants in an air sample. The method includes the steps of combining a first portion of the air sample with a fuel to produce a sample/fuel mixture, igniting the sample/fuel mixture in a combustion chamber to ... | 07/11/1995 |
| 5432090 | Method for measuring metal ingredients in combustion gas The invention is to continuously measure the contents of trace ingredients such as alkaline metal contained in combustion gas with high precision. An oxidizer and fuel are supplied into a flue line to form a flame, while a part of the combustion gas is in... | 07/11/1995 |
| 5316955 | Furnace atomization electron ionization mass spectrometry A resistively-heated furnace such as a graphite furnace is employed to atomize a sample for electron ionization and mass spectrometric analysis. Wide-ranging sample types such as biological tissue, semi-solid and nonhomogeneous materials, as well as bulk ... | 05/31/1994 |
| 5315885 | Sample dispersing apparatus and method An apparatus and method for dispersing a sample in a process stream is disclosed. The apparatus comprises a conduit which receives a sample at a first end and passes the sample to a pyrolysis furnace through a second end. A port is provided to admit a car... | 05/31/1994 |
| 5241868 | Sample dispersing apparatus and method for use with a pyrolisis furnace An apparatus for dispersing a sample for use in combination with a pyrolysis furnace for measuring the concentration of a fluid in a process stream or environment is provided. A conduit is provided having a first end for receiving the sample and a second ... | 09/07/1993 |
| 5102806 | Method for analyzing fluid by multi-fluid modulation mode A method for analyzing fluid by a multi-fluid modulation mode is characterized by subjecting a plurality of sample fluids (which may be different or a single sample fluid divided into a plurality of systems) to a fluid modulation by reference fluids at va... | 04/07/1992 |
| 5073753 | Hydrocarbon flame ionization detector A flame ionization detector comprises a housing forming a flame chamber for burning a mixture of hydrogen, oxidant and a sample gas. The flame chamber includes: a nozzle in which the sample gas and hydrogen are intimately mixed prior to injection, an igni... | 12/17/1991 |
| 5053343 | Selective ionization of gas constituents using electrolytic reactions An ion mobility spectrometer, ionization detector and mass spectrometer is described having a reaction region, and a region for introducing a sample gas, liquid or solid samples into the reaction region and an electrolyte in the reaction region of an alka... | 10/01/1991 |
| 4981652 | Apparatus for continuously measuring the hydrocarbon concentration in a gas flow An apparatus for continuously measuring the hydrocarbon concentration in a gas flow includes at least one flame ionization detector with a combustion chamber housing electrodes between which a current flows due to ionization in the area of a burner flame.... | 01/01/1991 |
| 4965048 | Thin-layer chromatography flame ionization detector for quantitative analysis of chromatographically-separated substances A flame ionization detector is used for carrying out a quantitative analysis of chromatographically-separated substances in thin-layer chromatography. The detector comprises a gas burner for forming a hydrogen flame. A thin-layer chromatographic element o... | 10/23/1990 |
| 4896526 | Continuous monitoring of a gas mixture A method and an apparatus for the continuous monitoring of a gas mixture which contains explosive gases, for example in drying furnaces of painting or coating plants, with the concentration of the gas mixture being at an adequate distance from the so-call... | 01/30/1990 |
| 4828704 | Thin-layer rod for chromatography A thin-layer rod for thin-layer chromatography conducted by the use of a flame ionization detector, comprising a rodlike support and a stationary phase made of an adsorbent which is superposed on the rod-like support, with chemical modification made in at... | 05/09/1989 |
| 4820044 | Transport detector system A transport detector system comprises (a) a liquid delivery tube, (b) a plurality of moveable spokes, the spokes being positioned to pass in sequence under the delivery tube, the spokes being constructed from a refractory inorganic material of low thermal cond... | 04/11/1989 |
| 4804519 | Sample analysis apparatus An analysis system includes a sample inlet, a diluent inlet, and a mixing chamber that has an outlet through which a mixture of the sample and diluent is flowed and in which a mechanical mixing member is housed. Positive displacement pumps preferably conc... | 02/14/1989 |
| 4798805 | Apparatus and process for pyrolysis and analysis of samples containing organic matter An apparatus for analysis of samples containing organic matter, especially of rock from oil drilling mud, including a loading arm hinged at its base to be movable from a tilted position when it receives a sample-bearing cartridge, which fits on the top of... | 01/17/1989 |
| 4786475 | Equipment for the simulated distillation by means of gas chromatography with non vaporizing direct injection The invention concerns a method and an equipment for the simulated distillation, by means of gas chromatography, of petroleum products, capable of characterizing also high boiling products, exceeding C55, over 600° C. TBP. A chromatograph is used with a ... | 11/22/1988 |
| 4757023 | Method and equipment for the simulated distillation by means of gas chromatography with non vaporizing direct injection The invention concerns a method and an equipment for the simulated distillation, by means of gas chromatography, of petroleum products, capable of characterizing also high boiling products, exceeding C55, over 600 C TBP. A chromatograph is used with a cap... | 07/12/1988 |
| 4684509 | Apparatus for measuring gas concentrations in a hot gas sample withdrawn from a process chamber An apparatus for measuring a gas concentration in a hot gas sample withdrawn from a process chamber, comprising a metal block (10) adapted to be tempered and housing at least the detector (12) and those components of the flow path guiding the gas to be me... | 08/04/1987 |