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| Number | Title | Issue Date |
| 8173007 | High temperature electrochemical characterization of molten metal corrosion A system and method for the high temperature in-situ determination of corrosion characteristics of a molten metal on an alloy under study is provided which takes place within an insulated furnace. A graphite crucible provided in the furnace contains an electrolyte f... | 05/08/2012 |
| 7368050 | Quantitative transient analysis of localized corrosion The invention provides an electrochemical noise method, apparatus and system for estimating parameters of interest related to corrosion rates of an electrically conductive article, the method comprising: placing a working electrode, a reference electrode, and a coun... | 05/06/2008 |
| 7314708 | Method and apparatus for electronic synthesis of molecular structures A self-addressable, self-assembling microelectronic device is designed and fabricated to actively carry out and control multi-step and multiplex molecular biological reactions in microscopic formats. These reactions include nucleic acid hybridization, antibody/antig... | 01/01/2008 |
| 7287318 | Biosensor A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess cir... | 10/30/2007 |
| 7285203 | Method and apparatus for instrumental analysis in remote locations The present invention provides a method and apparatus for instrumental analysis in remote locations. In one embodiment, the present invention provides a method of controlling cathodic protection being applied to a metal structure having a surface disposed in an elec... | 10/23/2007 |
| 7245132 | Intrinsically safe corrosion measurement and history logging field device Corrosion measurement devices are described with electrical isolation and intrinsic safety barriers advanced corrosion measurement in a field transmitter for online corrosion monitoring or off-line corrosion data logging. ... | 07/17/2007 |
| 7241419 | Circuits for the control of output current in an electronic device for performing active biological operations A circuit for control of an output current in a multiple unit cell array includes an array of unit cells arranged in rows and columns. Each unit cell includes a column select transistor being adapted for control by a column selector and a row select transistor being... | 07/10/2007 |
| 7182852 | Cryogenic tank testing method including cathodic protection The present invention provides a method of testing a cryogenic metal tank before it is put into service, in which said method said tank (1) is filled with water and appropriate measurements are performed where necessary, the method being characterized in that... | 02/27/2007 |
| 7172864 | Methods for electronically-controlled enzymatic reactions A self-addressable, self-assembling microelectronic device is designed and fabricated to actively carry out and control multi-step and multiplex molecular biological reactions in microscopic formats. These reactions include nucleic acid hybridizations, antibody/anti... | 02/06/2007 |
| 7172896 | Integrated portable biological detection system We have performed separation of bacterial and cancer cells from peripheral human blood in microfabricated electronic chips by dielectrophoresis. The isolated cells were examined by staining the nuclei with fluorescent dye followed by laser induced fluorescence imagi... | 02/06/2007 |
| 7157920 | Non-destructive monitoring of material integrity A component which is known to have particular degradation characteristics is instrumented to provide an electrical potential across a section in which a degradation is likely to occur. The potential drop across the component is then monitored to determine when, and ... | 01/02/2007 |
| 7153955 | Pentopyranosyl nucleic acid arrays, and uses thereof The invention relates to a pentopyranosylnucleoside of the formula (I) or of the formula (II) their preparation and use for the production of a therapeutic, diagnostic and/or electronic component. ... | 12/26/2006 |
| 7101661 | Apparatus for active programmable matrix devices A system for performing molecular biological diagnosis, analysis and multistep and multiplex reactions utilizes a selfaddressable, selfassembling microelectronic system for actively carrying out controlled reactions in microscopic formats. Preferably, a fluidic syst... | 09/05/2006 |
| 7068052 | Methods and systems for automated pipeline testing A method for testing a cathodic protection system is disclosed where the system includes a cathodic protection rectifier configured to apply a voltage across a pipeline and a reference point. The method includes measuring a magnitude of an output voltage of the cath... | 06/27/2006 |
| 7060224 | Methods for the electronic, homogeneous assembly and fabrication of devices Methods and apparatus are provided for the fabrication of microscale, including micron and sub-micron scale, including nanoscale, devices. Electronic transport of movable component devices is utilized through a fluidic medium to effect transport to a desired target ... | 06/13/2006 |
| 7034660 | Sensor devices for structural health monitoring Described herein are wireless interrogation systems and methods that rely on a complementary sensing device and interrogator. The sensing device is disposed to measure a parameter indicative of the health of a structure. A sensor reading from the sensor indicates th... | 04/25/2006 |
| 7001344 | Blood sampling device with diaphragm actuated lancet A device and method to obtain a blood sample in a sealed configuration. The device includes a sampling assembly having a driver, a lancet, and a blood reservoir, and a pad having a proximal side and a distal side. The proximal side of the pad conforms to the shape o... | 02/21/2006 |
| 6940295 | Apparatus and methods for non-destructive inspection using microwave sensing Apparatus and methods for materials inspection using microwave sensing are disclosed. In one aspect, a system for detecting corrosion of a workpiece includes a scanning assembly having a support assembly adapted to be coupled to the workpiece, and a first translatio... | 09/06/2005 |
| 6937686 | Iron control in BWR's with sacrificial electrodes Method for controlling the level of iron in feedwater of a BWR wherein an iron-containing sacrificial electrode in placed contact with the feed water dissolution of the electrode is induced at a rate which provides a desired level of iron in the feedwater. ... | 08/30/2005 |
| 6896779 | Corrosion sensor A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electro-chemical corrosion and coatings condition in ships' tanks, and particularly in ships' seawater or compensated fuel tanks. The system includes reference half-cell... | 05/24/2005 |
| 6814854 | Hydrogen permeation probe method A method for the in situ measurement of atomic hydrogen permeation into carbon steel from process streams under operating conditions of up to 3000 psi and temperatures up to 300° F. includes providing a probe assembly that includes a test specimen electrode and a n... | 11/09/2004 |
| 6797149 | Apparatus and method for electrochemical detection and control of inorganic scale An electrochemical scale detection and control system, for on-line detection and control of nucleation and growth of inorganic scales. The system comprises sensitive microprocessor controlled electrochemical monitoring instrumentation for detecting electrochemical c... | 09/28/2004 |
| 6623616 | Corrosive environment monitor and methods regarding same A monitoring method and system to monitor an environment in which an object is located includes monitoring one or more environmental factors associated with corrosion of materials in the environment. Thereafter, an exposure index representative of cumulat... | 09/23/2003 |
| 6478948 | Method of monitoring and controlling corrosion of furnace boiler tubes A method for monitoring and reducing corrosion in furnace boiler tubes measures electrochemical noise associated with corrosion mechanisms while corrosion is occurring at the surface of the tubes as they are exposed to combustion products. This noise is d... | 11/12/2002 |
| 6355157 | Process for real-time detection and inhibition of localized corrosion This invention describes a novel means of determining the nature (type) of corrosion in real-time. By identifying localized corrosion at the moment of pit initiation, real-time selection, and effective concentration(s) of appropriate inhibitor(s) can be d... | 03/12/2002 |
| 6294074 | Electrode design for corrosion monitoring using electrochemical noise measurements An electrode design is provided for corrosion monitoring using electrochemical noise measurements. Electrochemical probes are used for sensing electrochemical noise voltage values and electrochemical noise current values. The electrochemical probes includ... | 09/25/2001 |
| 6281671 | Electrode component group for a corrosion measuring system for detecting corrosion in a metal embedded in a component made of an ion-conducting material, in particular concrete An electrode component group for a corrosion measuring system for detecting corrosion of a metal embedded in a construction component of ion-conducting material has a rod-shaped base body having a first flange member at a first end of base body and a seco... | 08/28/2001 |
| 6264824 | Assessment of corrosion A method and apparatus for the indentification of corrosion in a metal object is disclosed. The method comprises analyzing the statistical distribution of signals generated between two electrodes, typically exposed to the same corrosion conditions as the ... | 07/24/2001 |
| 6132593 | Method and apparatus for measuring localized corrosion and other heterogeneous electrochemical processes An electrochemical method for measuring localized corrosion and other heterogeneous electrochemical processes is described. A multi-sensor electrode namely the wire beam electrode, integrated by coupling all its wire terminals together, is used to simulat... | 10/17/2000 |
| 6080293 | Electrolytic test machine An electrolytic test machine is used for a corrosion resistance test for a test material comprised of a metal blank and a coating film. The electrolytic test machine is constructed so that an adverse influence, due to chlorine gas generated during a test,... | 06/27/2000 |
| 6077418 | Corrosion monitoring Corrosion of a metal member under heat transfer condition is monitored by using a test coupon made of the same material as that of the metal member. The test coupon may have a welded portion and a crevice. One substantial surface of the test coupon is hea... | 06/20/2000 |
| 6054038 | Portable, hand-held, in-situ electrochemical sensor for evaluating corrosion and adhesion on coated or uncoated metal structures A hand-held and flexible corrosion sensor is described that uses electrochemical impedance spectroscopy (EIS, also known as AC impedance) to detect coating degradation and corrosion of coated and uncoated metals. The hand-held and flexible corrosion senso... | 04/25/2000 |
| 5896034 | Method and apparatus for detecting and monitoring corrosion Corrosion is monitored by making a resistance measurement between a contact and an uncorroded or relatively uncorroded portion of the article to be monitored. Changes in the resistance measured are a result of the presence of a corrosion product, or the b... | 04/20/1999 |
| 5888374 | In-situ process for the monitoring of localized pitting corrosion A method and apparatus are provided for monitoring localized pitting corrosion in metal pipes or storage vessels. Electrochemical probes are used for sensing electrochemical noise voltage values and electrochemical noise current values. The root-mean-squa... | 03/30/1999 |
| 5854557 | Corrosion measurement system An improved corrosion measurement system for determining the rate of corrosion of a fluid medium. The system is comprised of a highly sensitive excitation and amplification electronic circuitry for registering and displaying the stable and accurate measur... | 12/29/1998 |
| 5795461 | Electrode system for monitoring corrosion An electrode system for monitoring potentials between electrodes that includes a structure having a surface, a first electrode, a second electrode, an electrolyte, and a monitor to measure the potentials between the first and second electrodes. The first ... | 08/18/1998 |
| 5792337 | Method and apparatus for detection of corrosion A method and apparatus for sensing corrosion are provided in which an interrogation unit (14) transmits interrogation pulses and receives responses. A plurality of corrosion sensors (12) are disposed in the structure to be monitored (10), each of the sens... | 08/11/1998 |
| 5612621 | Method for monitoring cracks and critical concentration by using phase angle A method for monitoring cracks in a sample of materials by applying the theory that the phase angle increases in the sample of materials being tested where cracks have formed. The method is performed by preparing a solution capable of forming cracks in th... | 03/18/1997 |
| 5529668 | Detection of potential for corrosion of steel reinforced composite pipe This method and apparatus detects the potential for corrosion of pipes fabricated out of conductive material embedded in non-conductive material, due to contact between a conductive medium foreign to the pipe and the conductive material embedded within th... | 06/25/1996 |
| 5445719 | Corrosion control of dissimilar metals A corrosion inhibiting system for protecting joined dissimilar metals which are contacted by an electrolyte includes an anode electrode located in the electrolyte and adjacent to the less noble metal, and a cathode electrode connected to the more noble me... | 08/29/1995 |
