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| Number | Title | Issue Date |
| 7288300 | Fullerenes to increase radiation resistance in polymer-based pellicles A pellicle made of a polymer material contains fullerenes within the polymer material to reduce the damaging effects of radiation that is transmitted through the pellicle during an exposure operation. The fullerenes may comprise nanotubes and/or buckyballs. The buck... | 10/30/2007 |
| 7288299 | Fullerenes to increase radiation resistance in polymer-based pellicles A pellicle made of a polymer material contains fullerenes within the polymer material to reduce the damaging effects of radiation that is transmitted through the pellicle during an exposure operation. The fullerenes may comprise nanotubes and/or buckyballs. The buck... | 10/30/2007 |
| 7208071 | Amperometric sensor for low level dissolved oxygen with self-depleting sensor design A dissolved oxygen sensor having a cathode and anode immersed in an electrolyte is designed to provide a low background current in the sensor when a potential is applied to the cathode. The background current is maintained at a desired level by selecting the area an... | 04/24/2007 |
| 7195697 | Sensor membrane, a method for the preparation thereof, a sensor and a layered membrane structure for such sensor A membrane for a sensor, a method for the preparation thereof, a layered membrane structure and a sensor for analytical measurements which require controlled analyte permeability. The membrane, layered structure and sensor may be used for biological, physiological a... | 03/27/2007 |
| 7146203 | Implantable biosensor and methods of use thereof Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The stabilized oxygen transport matrix is used to transport oxygen and can b... | 12/05/2006 |
| 7126122 | Method for determining the safety of gas mixtures A method for determining the safety of a gas mixture containing first and second flammable components together with non-flammable components, comprises using an optical detector to make at least two measurements influenced by the concentration in the gas mixture of ... | 10/24/2006 |
| 7125620 | Fuel cell membrane and fuel cell system with integrated gas separation The present invention provides a protonically conductive membrane for use in a direct methanol fuel cell wherein a portion of said protonically conductive membrane conducts protons from the anode face of the membrane to the cathode face of the protonically conductiv... | 10/24/2006 |
| 7109853 | System for detecting and releasing a person locked in the trunk of a vehicle A vehicle safety system automatically detects the presence of a person sealed in the trunk of an automobile by sensing the CO2 respiration of the person. Visible, audio and radio alarms are generated in response to the detection of a person in the trunk. ... | 09/19/2006 |
| 7041468 | Blood glucose tracking apparatus and methods A measurement module for glucose testing includes a glucose testing measurement module housing, a test strip receptacle formed in the housing, and a connector portion formed in the housing and shaped to permit mechanical removable attachment of the housing to a hand... | 05/09/2006 |
| 7033482 | Self-diagnostic method for electrochemical gas sensor and gas detecting device An electrochemical gas sensor is self-diagnosed on the basis of an output waveform that is generated when a power source of said gas sensor is turned on after said power source has been turned off for a short time and an output waveform that is generated when said p... | 04/25/2006 |
| 6957562 | Passive oxygen sensor diagnostic An engine exhaust sensor diagnostic system includes an oxygen sensor and a controller. The controller monitors a signal generated by the oxygen sensor, determines a rate of change of the signal, and computes diagnostic parameters. The controller indicates malfunctio... | 10/25/2005 |
| 6936147 | Hybrid film type sensor A miniaturized gas sensor comprised of thick- or thin-film type electrodes, on a non-conductive supportive substrate, and in contact with a solid ionomer electrolyte, for the detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases an... | 08/30/2005 |
| 6837987 | Carbon monoxide sensor A method and apparatus for detecting the presence of carbon monoxide in a gas which may also contain contaminating substances uses a pre-treatment means to absorb contaminating substances and to convert them to non-contaminating substances. ... | 01/04/2005 |
| 6758962 | Oxygen sensing Oxygen concentration measurement is carried out over a broad range by an instrument utilizing a zinc-air cell having a lower-than-nominal potential difference imposed across its electrodes by a shunt branch incorporating the source-drain circuit of a field effect tr... | 07/06/2004 |
| 6689272 | Acetate detecting sensor An electrochemical sensor for detecting the presence and amount of acetate in cell culture and fermentation media. The electrochemical sensor has a pH electrode, an internal reference electrode, a special high-tensile strength gas permeable membrane, and ... | 02/10/2004 |
| 6344133 | Process for operating an electrochemical measuring cell A process for operating an electrochemical measuring cell (1) is described, with which it is possible to carry out gas concentration measurements already shortly after switching on the measuring cell (1). The process includes the steps that potential volt... | 02/05/2002 |
| 6284125 | Electrochemical cell A method for determining the concentration of a reduced (or oxidised) form of a redox species in an electrochemical cell of the kind comprising a working electrode and a counter electrode spaced from the working electrode by a predetermined distance, said... | 09/04/2001 |
| 6171238 | Portable hand-held device with a biosensor The invention pertains to a portable hand device with biosensor for the investigation of biological fluids such as whole blood, liquor, urine and serum. It is characterized by a securely fixed electrode, which is covered by a replaceable biomembrane, as r... | 01/09/2001 |
| 6165347 | Method of identifying a gas A method and apparatus for identifying an unknown reactive gas in a carrier gas, utilizing a sensor with a diffusion limited inlet. After a signal is established for the carrier gas, a flow of the mixture of carrier gas and reactive gas is passed to the s... | 12/26/2000 |
| 6146510 | Sensor cartridge for a fluid analyte analyzer The present invention is a sensor formed over a subminiature through hole. Because of the small diameter of the through hole, the material that fills the through hole and the through hole itself have an essentially negligible effect on the sensor. Only a ... | 11/14/2000 |
| 6123828 | Method and apparatus for measuring ethanol vapor concentration A method and apparatus for measuring ethanol vapor concentration wherein a cell output is plotted with respect to time. The gradient of the steady rate portion of the plot is determined and an ethanol vapor concentration signal is generated from the deter... | 09/26/2000 |
| 6093308 | Sensors for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g., electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elem... | 07/25/2000 |
| 6083710 | Electrochemical analyte measurement system A small diameter flexible electrode designed for subcutaneous in vivo amperometric monitoring of glucose is described. The electrode is designed to allow "one-point" in vivo calibration, i.e., to have zero output current at zero glucose concentration, eve... | 07/04/2000 |
| 6010616 | Sensor arrays for detecting analytes in fluids A sensor array for detecting an analyte in a fluid, comprising at least first and second chemically sensitive resistors electrically connected to an electrical measuring apparatus, wherein each of the chemically sensitive resistors comprises a mixture of ... | 01/04/2000 |
| 5985129 | Method for increasing the service life of an implantable sensor Methods are described for extending the service life of implantable sensors having a silver-containing anodic reference electrode maintained at a high impedance, at least one noble metal cathodic working electrode, and at least one noble metal anodic coun... | 11/16/1999 |
| 5958200 | Electrochemical gas sensor The present invention pertains to an electrochemical gas sensor, which has an electrode system for the measurement and is directly coupled with the environment via a gas inlet. To avoid fault liability and incorrect measurements in the case of rapid chang... | 09/28/1999 |
| 5951846 | Sensor arrays for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g. electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive eleme... | 09/14/1999 |
| 5942102 | Electrochemical method A method for determining the concentration of a reduced or oxidized form of a redox species in an electrochemical cell (FIG. 10) of the kind comprising a working electrode (2) and a counter electrode (16) spaced from the working electrode such that reacti... | 08/24/1999 |
| 5921922 | Measuring of bloodgases A method and an equipment for determining components, particularly pH, pO2 and pCO2 in blood. In order to facilitate the determination of blood gases, one sensor is used for measurement of more than one component. The components are... | 07/13/1999 |
| 5911872 | Sensors for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g., electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elem... | 06/15/1999 |
| 5906726 | Electrochemical sensor approximating dose-response behavior and method of use thereof The present invention provides an electrochemical sensor for the detection of an analyte, wherein the output or response of the electrochemical sensor approximates the dose-response behavior of a living organism upon exposure to the analyte. The electroch... | 05/25/1999 |
| 5906719 | Sensor device An amperometric sensor device comprising a working electrode, a reference/pseudo-reference electrode and a permselective membrane incorporating a charged organic species. The electrodes are in intimate contact with the membrane and are on a side of the me... | 05/25/1999 |
| 5788833 | Sensors for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g., electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elem... | 08/04/1998 |
| 5788832 | Temperature compensated electrochemical gas sensor and method for closely tracking the temperature variations of a gas to be sensed An electrochemical gas sensor having a temperature sensitive element such as a thermistor arranged within the gas sensor in a temperature insulative fashion for preventing any variations in the temperature of the applied gases to be sensed to be immediate... | 08/04/1998 |
| 5741413 | Gas sensors and method of using same A method of calibrating and using a device for the determination of the concentration of an active gas in a mixture of gases wherein the device incorporates a gas sensor (4) and has gas diffusion barrier means (A) and (B), one of which may be closed by a ... | 04/21/1998 |
| 5728290 | Polarographic sensor and method of using same A polarographic sensor device to determine the partial pressure of a gas in a sample medium is disclosed. The device comprises a) a substantially hydroscopic electrolyte composition joining a pair of spaced apart electrodes, one of the pair of electrodes ... | 03/17/1998 |
| 5723036 | Electrochemical measuring cell The invention is directed to an electrochemical measuring cell 1 for detecting different gas components. The electrochemical measuring cell includes several measuring electrodes (8, 12, 13), a common counter electrode 21 and a common reference electrode 2... | 03/03/1998 |
| 5711868 | Electrochemical sensors membrane A solid state, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working electrode includes an electrically conductive material adhered t... | 01/27/1998 |
| 5700360 | Fluoroelastomer gasket for blood sensors An elastomer, especially a fluoropolymeric elastomer, meets requirements necessary for use as a gasket in contact with primary membranes of electrochemical sensors of both blood gas and ionic species in blood. The elastomer can electrochemically seal an e... | 12/23/1997 |
| 5698089 | Sensor arrays for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g. electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive eleme... | 12/16/1997 |
