| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 01/18/1994 | US5280250 Method and apparatus for measuring ζ potential of a substance at high temperature |
| 01/18/1994 | US5280240 Methodology using odd harmonic components of an induced magnetic field for analyzing superconducting magnetic materials and their properties |
| 01/18/1994 | US5280183 Microelectronic device employing multiring phthalocyanine compound |
| 01/18/1994 | US5280175 Ion mobility spectrometer drift chamber |
| 01/18/1994 | US5279855 Undercoating with dielectric paste; heat treatment to adhere semiconductor material |
| 01/18/1994 | US5279792 Staining kit for proteins and nucleic acids |
| 01/18/1994 | US5279721 Apparatus and method for an automated electrophoresis system |
| 01/18/1994 | US5279168 Probe apparatus |
| 01/18/1994 | US5279160 Array for non-destructive material testing of cylindrical workpieces by means of electrodynamic ultrasonic measurement |
| 01/18/1994 | US5279148 Method and apparatus for detecting and locating leaks and loose couplings in conduits for liquids |
| 01/18/1994 | US5279145 Heater control device for an air-fuel ratio sensor |
| 01/18/1994 | CA2100557A1 Disposable cartridge for ion selective electrode sensors |
| 01/18/1994 | CA2094343A1 Method and apparatus for displaying capillary electrophoresis data |
| 01/13/1994 | DE4222418A1 Measuring composition of gas mixture of excimer laser with high accuracy - by producing corona discharge in gas mixture to determine at least one pair of current-voltage curves associated with discharge |
| 01/12/1994 | EP0578350A1 Oxygen content analysers |
| 01/12/1994 | EP0578146A1 Method and device for testing of bottles for contamination |
| 01/12/1994 | EP0419509B1 Conductance measurements in organic solvents |
| 01/12/1994 | CN2153060Y Quick-measurer for grain moisture |
| 01/12/1994 | CN2153059Y Intelligent metal incremental detector |
| 01/12/1994 | CN1023513C Detection of fire smell |
| 01/11/1994 | US5278613 Image forming apparatus with transfer medium and electrometer positioned opposite the transfer region |
| 01/11/1994 | US5278498 Surface conforming flexible eddy current probe for scanning varying surface contours |
| 01/11/1994 | US5278270 Hydrophilic and amphiphatic monomers, their polymers and gels and hydrophobic electrophoresis |
| 01/11/1994 | US5278072 Calibration system and housing |
| 01/11/1994 | US5277995 Solid inorganic electrolyte as protective coatings |
| 01/11/1994 | US5277781 Electrode having an alloy of metals and its oxide |
| 01/11/1994 | US5277780 Electrophoresis gel migration apparatus |
| 01/11/1994 | US5277774 Separating through a gap between a fixed membrane and a reciprocating membrane |
| 01/11/1994 | CA1326074C System and process for detecting properties of travelling sheets in the cross direction |
| 01/10/1994 | CA2100036A1 Process and arrangement for testing bottles for the presence of contamination |
| 01/10/1994 | CA2099933A1 Procedure for the detection and analysis of elements of a metallic nature |
| 01/08/1994 | CA2099957A1 Process and arrangement for testing bottles for contamination |
| 01/08/1994 | CA2099956A1 Process and arrangement for testing bottles for contamination |
| 01/06/1994 | WO1994000854A1 Halogenated compounds sensor |
| 01/06/1994 | WO1994000769A1 Apparatus for measuring electrical surface resistivity of a moving web |
| 01/05/1994 | EP0577455A1 Method and device for controlling micro-wave heating of a product at a determined temperature and during a determined time, marking support and container for a product intended for such a control |
| 01/05/1994 | EP0577244A2 A device for inspecting a component |
| 01/05/1994 | EP0576932A1 Control and evaluation circuit for a heat tone sensor |
| 01/05/1994 | EP0576548A1 Magnesium electrode |
| 01/05/1994 | EP0419652B1 Polymeric electrophoresis media |
| 01/05/1994 | DE4321322A1 Web moisture content measurement - is contactless through an electrode over material in electrical field with probes to register resistance |
| 01/05/1994 | DE4321243A1 IC engine exhaust air=fuel ratio sensor with oxygen concn. cell solid electrolyte and pump - controls supply of heater power on condition that pump current is interrupted and removes condition after period of time period after supply of power. |
| 01/05/1994 | DE4241438A1 Sensor for analyte detection in fluid by measuring conductivity of coat - arranged on carrier contacting pair of electrodes interacting with analytes and coating consists of layer of fullerene to provide sensor with long term stability |
| 01/05/1994 | DE4221848A1 Automatic in situ calibration of in vivo glucose sensors - by comparing measured value with reference signal from independent model, calculating quality control values and correcting sensor signal if these exceed specified limits |
| 01/05/1994 | DE4221847A1 Current and voltage measurement arrangement for electrochemical cells - operates as ground-referenced current or voltage source by switching between potentiostatic voltage from instrumentation amplifier across measurement resistor, and galvanostatic voltage from reference electrode via multiplexer. |
| 01/05/1994 | DE4221786A1 Temperaturfeste Keramik Temperature resistant ceramic |
| 01/05/1994 | DE4221692A1 Verfahren und Vorrichtung zur Ermittlung eines Gemischanteils eines Gasgemisches Method and apparatus for determining a mixture proportion of a gas mixture |
| 01/05/1994 | DE4221202A1 Optically displaying measured values - using coloured LED arrays with presetting facility for colour and intensity controlled by timing pulse generator |
| 01/04/1994 | US5276405 Integrated instrumentation amplifier for below-ground inputs |
| 01/04/1994 | US5276324 Composite scanning tunneling microscope |
| 01/04/1994 | US5275957 Oxidation to carbon dioxide |
| 01/04/1994 | US5275712 Wide range workfunction based A/F sensor |
| 01/04/1994 | US5275711 Rotating cylinder-throwing power electrode |
| 01/04/1994 | US5275710 Housing; temperature control platform; gel plate; sample applicator and retriever |
| 01/04/1994 | US5275708 Gel with cationic surfactant |
| 01/04/1994 | US5275706 Delivering additive medium to separation chamber contercurrent to separation and sample media to adjust outflow rate |
| 01/04/1994 | US5275704 Using differential flow conditions with slow flow and fast flow electrodes |
| 01/03/1994 | WO1994001581A1 Method for determining the nucleotide size of dna fragments |
| 12/31/1993 | CA2099684A1 Rotating field eddy current inspection device |
| 12/29/1993 | EP0576361A2 Electrophoretic electrode, method of/and system for capillary electrophoresis using the electrophoretic electrode and fraction collector assembled into the capillary electrophoresis system |
| 12/29/1993 | EP0576322A1 Procedure for non-destructive testing of a soldered joint |
| 12/29/1993 | EP0576243A2 Radio frequency measuring apparatus |
| 12/29/1993 | EP0575778A1 Method and apparatus for providing tailored exitation as in Fourier transform mass spectrometry |
| 12/29/1993 | EP0575777A2 Methods of using ion trap mass spectrometers |
| 12/29/1993 | EP0575628A1 Gas sensor and its manufacture |
| 12/29/1993 | EP0575312A1 Liquid level and composition sensor and method |
| 12/29/1993 | EP0441838B1 A device for the detection of abnormal condition of a portion of an object which is movable relative to the device |
| 12/29/1993 | CN2151463Y Inserting oxygen inspector for zirconium oxide |
| 12/29/1993 | CN2151462Y Steel wire online inspecting sensor |
| 12/29/1993 | CN1023363C Prepn. of Ordinary-temp gas-sensitive semiconducting element |
| 12/28/1993 | US5274335 Oil sensor systems and methods of qualitatively determining oil type and condition |
| 12/28/1993 | US5274334 Calibrated physical parameter value measurement system |
| 12/28/1993 | US5274327 Powder sample holding capsule holding adapter for a vibrating sample magnetometer |
| 12/28/1993 | US5274240 Capillary array confocal fluorescence scanner and method |
| 12/28/1993 | US5273841 Sulfuric acid concentration sensor and lead acid battery equipped with sulfuric acid concentration sensor |
| 12/28/1993 | US5273779 Coating a catalytic layer onto a spin-coated gas sensing layer over a spin-coated, heat-treated buffer layer |
| 12/28/1993 | US5273777 Method for manufacturing hygristors |
| 12/28/1993 | US5273641 Electrode and method for measuring levelling power |
| 12/28/1993 | US5273640 Electrochemical gas sensor |
| 12/28/1993 | US5273639 Comprising a calcined mixture of carbon, binder and mineral oil impregnated with mineral oil to fill the pores |
| 12/28/1993 | US5273638 Nucleotide sequence determination employing matched dideoxynucleotide terminator concentrations |
| 12/28/1993 | US5273633 Electrophoresis |
| 12/28/1993 | US5273632 Methods and apparatus for analysis of chromatographic migration patterns |
| 12/28/1993 | US5273631 Electrode assembly having a referene electrode of silver and silver chloride of fine porosity and permeable only to the halide ions |
| 12/28/1993 | US5272913 Cantilever for a scanning probe microscope and a method of manufacturing the same |
| 12/28/1993 | CA1325527C Apparatus for conducting a plurality of simultaneous measurements of electrochemiluminescent phenomena |
| 12/23/1993 | WO1993025899A1 Capillary electrophoresis using time-varying field strength |
| 12/23/1993 | WO1993025898A1 Mediators to oxidoreductase enzymes |
| 12/23/1993 | WO1993025897A1 Diagnostic method for detection of active atherogenesis |
| 12/23/1993 | WO1993025896A1 Preparative electrophoresis device and method |
| 12/23/1993 | WO1993025884A1 Plastic high vacuum piping components |
| 12/23/1993 | WO1993025300A1 Ultrathin composite membranes |
| 12/23/1993 | DE4319836A1 Solid electrolyte - with catalytic electrode for gas analysis, e.g. for determn. of carbon mon:oxide and sulphur di:oxide in hot exhaust gases |
| 12/23/1993 | DE4220510A1 Probe tip lowering and setting system for film conductivity spreading resistance measurement on substrate - arranges probe, carrier and optical, inductive or capacitive path measuring unit on common force-exerting frame , which is fixed to linear drive. |
| 12/23/1993 | DE4220140A1 Silver@-silver halide reference electrode prepn. for long life - by in-situ pptn. of silver halide, for amperometric and potentiometric two and three electrode probes with gel type or polymer electrolyte, monomer and/or prepolymer, etc. |
| 12/23/1993 | CA2115052A1 Mediators to oxidoreductase enzymes |
| 12/22/1993 | EP0574549A1 Early warning reactive gas detection system |
| 12/22/1993 | CN1079824A High-temp. fast carbon measuring probe generating carbon monoxide itself for solid electrolyte |
| 12/22/1993 | CN1023258C Cleaning liquid of macromolecular membrane electrode |
| 12/22/1993 | CN1023257C Method for determing solute in high-temp. water |