G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means

Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
10/1994
10/18/1994	USRE34757 Combined electrophoresis-electrospray interface and method
10/18/1994	US5357202 Plural electrode method for measuring subsurface changes in conductivity as an indication of fluid migration
10/18/1994	US5357198 Apparatus for magnetic inspection using magnetic shield
10/18/1994	US5357197 Inductive debris monitor with multi-turn detector
10/18/1994	US5357109 Probe for scanning tunneling microscope and manufacturing method thereof
10/18/1994	US5357108 Cantilever type displacement element, and scanning tunneling microscope or information processing apparatus using same
10/18/1994	US5356786 Interferant eliminating biosensor
10/18/1994	US5356780 Determination of substrate of coenzyme requiring enzyme
10/18/1994	US5356776 DNA measuring method
10/18/1994	US5356757 Crosslinking with glutaraldehyde and epoxid polyether; silane coupling
10/18/1994	US5356756 Arrays of microfabricated hotplates
10/18/1994	US5356594 Portable volatile organic compound monitoring system
10/18/1994	US5356525 Sample handling system
10/13/1994	WO1994023292A1 Detector device
10/13/1994	WO1994023291A1 Mixed heteropolyanion doped conductive polymer film for sensing nitrite ions, nitrogen monoxide or an no-containing substance
10/13/1994	WO1994023290A1 Methods for chromatography analysis
10/13/1994	WO1994023289A1 Sensor
10/13/1994	WO1994023288A1 Methane sensor
10/13/1994	WO1994023286A1 Process for measuring the degree of soil of a wash bath
10/13/1994	WO1994023281A1 Method and apparatus for detecting particles in a flow
10/13/1994	WO1994023092A1 Improved sequencing gel
10/13/1994	WO1994022904A1 Improvements in protein separation
10/13/1994	WO1994017538A3 Microparticle switching devices
10/13/1994	WO1994014824A3 Analytical technique for oligonucleotide analogs
10/13/1994	DE4312096A1 Method for automating pH measurement or calibration and device for carrying out the method
10/13/1994	DE4311543A1 Device for determining the concentration of a test fluid
10/12/1994	EP0619603A1 Method and apparatus for evaluation of semiconductor production process
10/12/1994	EP0619491A1 Combined titration apparatus
10/12/1994	EP0619487A2 System and method for non-desturctive plate examination
10/12/1994	EP0619486A1 Solid electrolyte gas sensor
10/12/1994	EP0619483A1 Electrophoresis analyzer with wavelength selective detection
10/12/1994	EP0619019A1 ANALYTE AND pH MEASURING SENSOR ASSEMBLY AND METHOD
10/12/1994	EP0599975A4 Batch deposition of polymeric ion sensor membranes.
10/12/1994	EP0589873A4 Sensor for peracetic acid-hydrogen peroxide solution.
10/12/1994	EP0524166B1 Process and device for determining the electrical conductivity of a test specimen made of superconducting material
10/12/1994	EP0347460B1 Ion sensor
10/11/1994	US5355304 Clinical laboratory work-flow system which semi-automates validated immunoassay and electrophoresis protocols
10/11/1994	US5354499 Reaction products of lyotropic liquid crystal salt complexes
10/11/1994	US5354496 Lyotropic liquid crystal salt/inorganic compound complexation products
10/11/1994	US5354449 pH electrode
10/11/1994	US5354448 Improved insulation, eliminates electrical shorting
10/11/1994	US5354447 Biosensor and method of quantitative analysis using the same
10/11/1994	US5354442 Matrix modification in the electrophoretic separation of nucleic acids
10/11/1994	US5354440 Capillary electrophoresis technique
10/11/1994	US5354438 Electrolysis; redox systems
10/11/1994	US5353775 Air-fuel ratio control system for internal combustion engine
10/11/1994	US5353774 Damage preventing method and device for sensor element of air/fuel ratio sensor with heater
10/11/1994	US5353632 Probe for atomic force microscope usable for scanning tunneling microscope
10/11/1994	EP0628164A4 Capillary array confocal fluorescence scanner and method.
10/08/1994	CA2100904A1 Combined titration device
10/06/1994	DE4411160A1 Automatic electrophoresis device and method for aligning a substrate film (sheet) therein
10/06/1994	DE4410953A1 Leitfähigkeitsfühler Conductivity sensor
10/06/1994	DE4310893A1 Verfahren und Prüfsonde zum zerstörungsfreien Prüfen der Oberflächen elektrisch leitfähiger Werkstoffe Method and probe for non-destructive testing of the surface of electrically conductive materials
10/05/1994	EP0618445A2 Method and probe for non-destructive surface examination of electrically conducting materials
10/05/1994	EP0618425A1 Sensor head and method for its manufacture
10/05/1994	EP0408641B1 Piezoelectric specific binding assay with mass amplified reagents
10/05/1994	CN2178897Y Sounder for pilot-magnetic particulate material in non-pilot-magnetic pipe
10/05/1994	CN2178896Y Automatic monitoring controllor
10/05/1994	CN1026156C Friction lubricating status testing device
10/04/1994	US5353263 Soft sonar suspension system
10/04/1994	US5353103 Image recording apparatus with toner concentration detecting circuit
10/04/1994	US5352892 Atmospheric pressure ion interface for a mass analyzer
10/04/1994	US5352574 Surface functionalized and derivatized electroactive polymers with immobilized active moieties
10/04/1994	US5352353 Device for monitoring the concentration of gaseous constituents in mixtures of gases
10/04/1994	US5352352 Carbonic acid gas sensor
10/04/1994	US5352351 Biosensing meter with fail/safe procedures to prevent erroneous indications
10/04/1994	US5352349 Method for reviving an electrode of a biosensor
10/04/1994	US5352344 Method and apparatus for measuring the oxygen potential of a heat-treatment furnance
10/04/1994	US5351564 Pipeline inspection vehicle
10/04/1994	US5351563 One-way measuring element for analyzing gaseous or liquid samples
10/04/1994	US5351530 Method and apparatus to check the acceptableness of the state of wear in the covering fabric of a driving belt
10/04/1994	CA2026936C Three-toroid electrodeless conductivity cell
10/04/1994	CA1332221C Enzymatically amplified piezoelectric specific binding assay
10/04/1994	CA1332208C Gas sensor
09/1994
09/29/1994	WO1994022007A1 Method of identifying gases and/or determining gas concentrations in gas mixtures
09/29/1994	WO1994022006A1 Semiconductor component, particularly for ion detection
09/29/1994	WO1994022005A1 Chemical switch and method for detection of chemical components
09/29/1994	WO1994022004A1 Apparatus for non-destructive testing of dielectric/magnetic materials
09/29/1994	WO1994016313A3 Method and device for assessing the suitability of biopolymers
09/29/1994	CA2135405A1 Chemical switch and method for detection of chemical components
09/28/1994	EP0617475A1 Method of forming an interconnection layer by sintering on an electrode of an electrochemical cell
09/28/1994	EP0617280A2 Method of monitoring major constituents in plating baths
09/28/1994	EP0617279A2 Method for monitoring purification treatment in plating baths
09/28/1994	EP0617278A1 Connectorized capillaries for use with separation instrumentation components
09/28/1994	EP0617277A1 Ion-selective electrode and process for preparing the same
09/28/1994	EP0617271A1 Method for simultaneous determination of thermal conductivity and kinematic viscosity
09/28/1994	EP0617048A1 Method of capillary isoelectric focusing of proteins and peptides with fraction collection for post-run analysis
09/28/1994	EP0616691A1 Equipment and process for detecting water traces in solid and liquid substances
09/28/1994	CN2178356Y Portable fuel gas alarm device
09/27/1994	US5351037 Refrigerant gas leak detector
09/27/1994	US5351029 Sensor for determining carbon monoxide
09/27/1994	US5350701 Process for producing a surface gate of an integrated electro-chemical sensor, consisting of a field-effect transistor sensitive to alkaline-earth species and sensor obtained
09/27/1994	US5350552 Method for preparing polyacrylamide aqueous gel plate for electrophoresis
09/27/1994	US5350518 Magnesium electrode
09/27/1994	US5350502 Apparatus for fluid treatment of framed membranes
09/27/1994	US5350500 Electrokinetic potential measurement
09/27/1994	US5350069 Cleaning and storage device
09/27/1994	US5349735 Information detection apparatus and displacement information measurement apparatus
09/27/1994	CA2119809A1 Method for simultaneous determination of thermal conductivity and kinematic viscosity
09/27/1994	CA1332183C Capacitance probe assembly

1 ... 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 ... 1099