| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
|---|
| 11/30/1993 | US5265459 Single-element thermal conductivity detector |
| 11/30/1993 | US5265458 Method of compensating output of air/fuel ratio sensor for variation in the current sensitivity to oxygen |
| 11/30/1993 | CA2097211A1 Methods of using ion trap mass spectrometers |
| 11/29/1993 | CA2097124A1 Immobilized buffered gels and membranes of hydroxy groups containing polymers |
| 11/25/1993 | WO1993023872A1 Method and apparatus for mass analysis using slow monochromatic electrons |
| 11/25/1993 | WO1993023758A1 Integratable conductivity measuring device |
| 11/25/1993 | WO1993023751A1 Device for magnetically detecting flaws in ferromagnetic workpieces |
| 11/25/1993 | WO1993023750A1 Process for the non-destructive testing of steel reinforcements in structures |
| 11/25/1993 | WO1993023749A1 Magnetic flaw detector for tubular goods |
| 11/25/1993 | WO1993023748A1 Electrode and method for the detection of hydrogen peroxide |
| 11/25/1993 | WO1993023747A1 Temperature control for portable diagnostic system |
| 11/25/1993 | WO1993023746A1 Use of multiple short gels for elongated separation pattern |
| 11/25/1993 | WO1993023745A1 Microsensors for gaseous and vaporous species |
| 11/25/1993 | WO1993023744A1 Improved enzyme electrodes |
| 11/24/1993 | EP0571115A2 A humidity meter |
| 11/24/1993 | EP0571112A2 Electrochemical sensor |
| 11/24/1993 | EP0570783A2 Ion sensor |
| 11/24/1993 | EP0570518A1 Methods and apparatus for improved electrochemi luminescence assays |
| 11/24/1993 | EP0570470A1 Battery tester. |
| 11/24/1993 | CN2147533Y Flour moisture quick measuring instrument |
| 11/23/1993 | US5264798 Autonulling AC bridge using differential and integration feedback |
| 11/23/1993 | US5264137 Method for separating fluids using a carbonaceous polymeric filter having a LOI greater than 40 |
| 11/23/1993 | US5264104 Three-dimensional polymer networks bound to enzymes; protein excluding |
| 11/23/1993 | US5264101 Using a tube having surface-charged inner walls and filled with an electrolyte having an opposite charge |
| 11/23/1993 | US5264098 Method for the separation, identification and quantification of isoenzymes and isoforms of alkaline phosphatase |
| 11/23/1993 | US5264095 Capillary zone electrophoretic analysis of isoenzymes |
| 11/23/1993 | US5263363 Apparatus and method for determining the percentage of a fluid in a mixture of fluids |
| 11/18/1993 | EP0569908A2 Electrochemical detection method and apparatus therefor |
| 11/18/1993 | EP0569826A1 Method and system for monitoring quality of phosphate coating |
| 11/18/1993 | EP0569617A1 Method and apparatus for non-destructive inspection of the pressure vessel cover of a nuclear reactor |
| 11/18/1993 | EP0569494A1 Improved galactomannan-agarose binary gel for nucleic acid electrophoresis. |
| 11/18/1993 | EP0528976A4 Pin hole detector |
| 11/18/1993 | EP0377600B1 Process and device for lambda-value determination and use of same |
| 11/18/1993 | DE4216176A1 Integratable conductivity measurement arrangement for liquids - has current source and current-coupling capacitors for feeding rectangular wave to liq., and voltage measuring circuit consisting of coupling capacitors, operational amplifier and capacitor-switch circuit. |
| 11/18/1993 | DE4215921A1 Continuous determn. of organic fluoro cpds. in gases - by hydrolysis in absorption soln. and fluoride ion determination, using fluoride selective electrode |
| 11/18/1993 | DE4215839A1 Measurement of ozone concn. in water - in which coater is passed through to produce galvanic cell to produce current which indicates ozone concn. and cell is regenerated regularly by larger current flowing in same direction |
| 11/18/1993 | DE4215358A1 Verfahren zur zerstörungsfreien Prüfung von Stahlarmierungen in Bauwerken A method for non-destructive testing of steel reinforcement in structures |
| 11/17/1993 | CN2146712Y Vertical multi-plate glue-making tank |
| 11/16/1993 | US5262726 Method and system for inspection of electroconductive film using eddy current |
| 11/16/1993 | US5262722 Apparatus for near surface nondestructive eddy current scanning of a conductive part using a multi-layer eddy current probe array |
| 11/16/1993 | US5262205 Process for producing the ion-sensitive probe electrode of a heavy-metal-ion sensor |
| 11/16/1993 | US5262127 Solid state chemical micro-reservoirs |
| 11/16/1993 | US5262038 Nuclear reactors |
| 11/16/1993 | US5262037 Electrochemical sensor |
| 11/16/1993 | US5262034 Electrochemical sensor for monitoring electrochemical potentials of fuel cell components |
| 11/16/1993 | US5262031 Electroosmotic flow control apparatus for capillary electrophoresis |
| 11/16/1993 | US5262022 Electronics, soldering electrodes, connecting to power, reducing metallic oxides and measuring voltage |
| 11/16/1993 | US5261270 Fuel composition sensor diagnostic apparatus |
| 11/16/1993 | CA1324426C Combustion engine with multi-fuel capability |
| 11/16/1993 | CA1324418C Reference electrode |
| 11/16/1993 | CA1324410C Tomographic flow imaging system |
| 11/11/1993 | WO1993022678A2 Optical and electrical methods and apparatus for molecule detection |
| 11/11/1993 | WO1993022668A1 Method and apparatus for determining the concentration of ammonium ions in solution |
| 11/11/1993 | WO1993022665A1 Capillary electrophoresis molecular weight separation of biomolecules using a polymer-containing solution |
| 11/11/1993 | WO1993022664A1 Sample resistivity measurement cell |
| 11/11/1993 | WO1993022480A1 Electrochemical treatment of surfaces |
| 11/11/1993 | WO1993022421A1 Microfabricated sperm handling devices |
| 11/11/1993 | WO1993022058A1 Polynucleotide amplification analysis using a microfabricated device |
| 11/11/1993 | WO1993022055A2 Fluid handling in microfabricated analytical devices |
| 11/11/1993 | WO1993022054A1 Analysis based on flow restriction |
| 11/11/1993 | WO1993022053A1 Microfabricated detection structures |
| 11/11/1993 | WO1993022033A1 Photoionization ion mobility spectrometer |
| 11/11/1993 | DE4215168A1 Vorrichtung zur magnetischen Rißprüfung von ferromagnetischen Werkstücken Device for magnetic crack detection of ferromagnetic workpieces |
| 11/10/1993 | EP0568747A1 Process for treating polluted gases by at least a sorbent and apparatus for executing this process |
| 11/10/1993 | CN1022711C Location sighting device of capacity type in gride shape |
| 11/09/1993 | US5260668 Semiconductor surface resistivity probe with semiconductor temperature control |
| 11/09/1993 | US5260667 Method and apparatus for determining the percentage water condent of oil in water emulsion by specific admittance measurement |
| 11/09/1993 | US5260666 Capacitance monitor for soil moisture |
| 11/09/1993 | US5260663 Methods and circuits for measuring the conductivity of solutions |
| 11/09/1993 | US5260585 Endpoint and/or back diffusion gas impurity detector, and method of using the same |
| 11/09/1993 | US5259943 Apparatus and method for submerged gel electrophoresis |
| 11/09/1993 | US5259939 Dynamic buffer coating |
| 11/09/1993 | US5259254 Sample introduction system for inductively coupled plasma and other gas-phase, or particle, detectors utilizing ultrasonic nebulization, and method of use |
| 11/09/1993 | US5259239 Hydrocarbon mass flow meter |
| 11/09/1993 | CA1324107C Dehumidifier |
| 11/04/1993 | DE4214594A1 Composite body for use in sensing equipment etc. - is made of layers of conductive metal-ceramic and insulating ceramic material bonded together by solid state bonding method |
| 11/04/1993 | DE4213884A1 Monitoring wear or likelihood of fracture of vibrating leaf springs for cigarette cutting machine - passing measurement current between contacts on spring contg. electrically conductive reinforcing fibres and sensing voltage change as indicative of rupture. |
| 11/03/1993 | EP0567725A1 Method for increasing the service life of an implantable sensor |
| 11/03/1993 | EP0567633A1 Hemodialysis conductivity servo-proportioning system. |
| 11/03/1993 | EP0567564A1 Method of diagnosing or categorizing disorders from biochemical profiles. |
| 11/03/1993 | EP0558565A4 Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography |
| 11/03/1993 | EP0528924B1 Method and apparatus for bleaching textile webs |
| 11/03/1993 | EP0443024A4 Method and apparatus for electrophoretic separations |
| 11/03/1993 | EP0276299B1 Probe for composite analyzer tester |
| 11/03/1993 | CN2145384Y Differential concentration battery oxygen measuring instrument |
| 11/03/1993 | CN2145383Y Siren for integrated circuit |
| 11/03/1993 | CN2145382Y Direct plug-in heating detector for oxygen capacity of zirconium oxide |
| 11/03/1993 | CN1022647C Efficient probe for non-destructive detection of far-field eddy |
| 11/02/1993 | US5258723 Integrated instrumentation amplifier with integrated frequency-compensating capacitance |
| 11/02/1993 | US5258719 Capacitive coagulation detecting device for mixed phase container |
| 11/02/1993 | US5258708 Methods and apparatus for non-destructive testing of materials with eddy currents |
| 11/02/1993 | US5258111 Iodine doped polythienylene coated electrode |
| 11/02/1993 | CA1323873C Large scale synthesis of twelve member diazamonocyclic compounds |
| 11/02/1993 | CA1323772C Apparatus for measuring water content in a substrate, including human skin |
| 10/28/1993 | WO1993021654A1 Sample introducing apparatus and sample modules for mass spectrometer |
| 10/28/1993 | WO1993021528A1 Lipid membrane sensors |
| 10/28/1993 | WO1993021522A1 Polymeric film-based electrochemical sensor apparatus |
| 10/28/1993 | WO1993021521A1 Air-fuel ratio sensor for internal combustion |
| 10/28/1993 | WO1993021520A1 Method and device for extending the useful life and reducing the temperature dependence of ion-selective plastic-membrane electrodes |
| 10/28/1993 | WO1993021519A1 Process for producing electrochemical sensors and electrochemical sensors |