Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
04/1987
04/28/1987US4660407 Gas sensor
04/28/1987CA1221198A1 Alkali metal ion-selective compositions and elements and a method of using same
04/23/1987WO1987002461A1 A method of fabricating rhodium foil-glass electrodes
04/23/1987WO1987002386A1 Procedure to be performed in conjunction with protein blotting or nucleic acid blotting
04/22/1987EP0219477A1 Apparatus for examining the surface of a test piece
04/22/1987EP0219247A1 Bioelectrochemical cell and electrode therefor
04/22/1987EP0219180A2 Flushable electrochemical reference cell
04/22/1987EP0218848A2 Method for detecting phosphorus segregates in metallic material
04/22/1987EP0218707A1 Electro-chemical sensor.
04/22/1987EP0218694A1 Transparent multi-oxygen sensor array
04/22/1987CN86203636U Vortex flaw-sensing detector
04/22/1987CN86106698A An air/fuel ratio detecting apparatus for internal combustion engines
04/22/1987CN86106520A Insert socket for cable
04/21/1987US4660147 Method for determining level of finish and control thereof
04/21/1987US4660063 Immersion type ISFET
04/21/1987US4660026 Fluid state detector
04/21/1987US4659991 Method and apparatus for magnetically inspecting elongated objects for structural defects
04/21/1987US4659990 Eddy current test system including a member of high permeability material effective to concentrate flux in a very small region of a part
04/21/1987US4659451 Having interanl liquid containing body having space therein and liquid junction
04/21/1987US4659435 Integrally heated electrochemical cell method and apparatus
04/21/1987US4659434 Gas sensor
04/21/1987US4658790 Air/fuel ratio detecting device and control system using same
04/21/1987US4658632 Calcium, strontium, barium or radium and tin oxide composition
04/16/1987DE3532286A1 Arrangement of gas diffusion electrodes, and method for the fabrication of gas diffusion electrodes
04/16/1987DE3532285A1 Electrochemical gas sensors having three, four, five or more electrodes
04/15/1987EP0218530A2 Ionic concentration measurement method
04/15/1987EP0218469A2 On-line calibration system for chemical monitors
04/15/1987EP0218458A2 Method and apparatus for gross leak detection
04/15/1987EP0218357A2 Electrochemical element and process of manufacturing the same
04/15/1987EP0217881A1 Process and device for testing electrically insulating coatings on metal parts
04/15/1987CN85107581A Double cell oxygen sensor
04/14/1987US4658208 Downhole steam quality measurement
04/14/1987US4658207 Device for measuring the water content of ink samples
04/14/1987US4658120 Sensor device for use with cooking appliances
04/14/1987US4657872 Laser-enhanced flame ionization detection
04/14/1987US4657660 Heater within solid electrolyte; glass bonding
04/14/1987US4657659 Electrochemical element
04/14/1987US4657658 Semiconductor devices
04/14/1987US4657657 Multiple combination electrode with associated multi-point plug mount
04/14/1987US4657656 Polyacrylamide medium for electrophoresis having improved elasticity
04/14/1987US4657655 Foto/phoresis apparatus
04/14/1987US4657641 Determination of silicon in molten metal
04/14/1987US4657640 Method of sensing air-to-fuel ratio sensor of an engine
04/14/1987US4657039 Moisture sensor
04/14/1987US4656863 Gas sensor
04/14/1987US4656832 Detector for particulate density and filter with detector for particulate density
04/14/1987CA1220524A1 Method for electroanalytical determination of electrochemically active compounds in solutions
04/14/1987CA1220523A1 Aggregometer electrode structures
04/14/1987CA1220522A1 Electrochemical sensing of carbon monoxide
04/09/1987WO1987002136A1 Method of an apparatus for inspection and/or positioning objects with wave energy using wave guides
04/09/1987WO1987002133A1 Electrophoresis method and apparatus for separating particles in a separation medium
04/09/1987WO1987002132A1 Electrophoresis and vacuummolecular transfer apparatus
04/09/1987WO1987002066A1 Piezoelectric device for detection of polynucleotide hybridization
04/09/1987WO1987001955A1 Field-inversion gel electrophoresis
04/08/1987EP0217644A2 Quadrupole mass filter
04/08/1987EP0217495A1 Measuring moisture content of flowing material
04/08/1987EP0216977A1 Method and device for determining oxygen in gases
04/08/1987EP0216759A1 Gel cell and apparatus for gel electrophoresis
04/08/1987EP0105893B1 A method and a device for monitoring large metal structures
04/08/1987CN86202375U Meter of coefficient of thermal transmission
04/08/1987CN86102624A Method for analysis of organic materials
04/08/1987CN85102857A Instrument for measuring gas stream flowing in two-phase fluids
04/07/1987US4656595 Method and a device for monitoring large metal structures
04/07/1987US4656455 Humidity-sensing element
04/07/1987US4656427 Liquid conductivity measuring circuit
04/07/1987US4656333 Thin profile snow, sleet and moisture sensing detector
04/07/1987US4655901 For automobile exhaust systems
04/07/1987US4655900 Coating with polytetrafluoroethylene and catalyst metal in aqueous oligosaccharide solution
04/07/1987US4655899 Relay to connect to electric impedance lowering means
04/07/1987US4655898 Human plasma
04/07/1987US4655892 Oxygen sensor and process for producing same
04/07/1987US4655182 Method and system for internal combustion engine oxygen sensor heating control which provide maximum sensor heating after cold engine starting
04/07/1987US4655077 Wear sensor system
04/07/1987CA1220168A1 Magnetic separator for solid phase immunoassays
04/02/1987DE3632226A1 Solubilisation chromatograph
04/02/1987DE3612470A1 Eddy-current defectoscope
04/02/1987DE3534462A1 Warning device for detecting damage on moving parts
04/01/1987EP0216600A2 Laser excitation fluorescence detection electrokinetic separation
04/01/1987EP0216593A2 Method and apparatus for measuring the unsteady sedimentation potential of colloidal particles
04/01/1987EP0216577A2 Sensor
04/01/1987EP0216467A2 Two-dimensional diffusion glucose substrate sensing electrode
04/01/1987EP0144325B1 Device for the electro-chemical determination of the oxygen content in liquids
04/01/1987CN85107084A Improved ion-sensitive electrode
04/01/1987CN85107082A Ion analyzer calibration cell
04/01/1987CN85106976A Electrode for measuring salt density
04/01/1987CN85106959A Device for determining oxygen concentration
03/1987
03/31/1987US4654624 Gas sensor
03/31/1987US4654598 Dielectric methods and apparatus for in situ prediction of porosity and specific surface area (i.e., soil type) and for detection of hydrocarbons, hazardous waste materials, and the degree of melting of ice and to predict in situ stress-strain behavior
03/31/1987US4654197 Cuvette for sampling and analysis
03/31/1987US4654132 Separation and purification of biomembrane proteins
03/31/1987US4654127 Self-calibrating single-use sensing device for clinical chemistry and method of use
03/31/1987US4654126 Process for determining the plating activity of an electroless plating bath
03/31/1987US4654125 Potentials, electrolysis, currents
03/31/1987US4653633 Detecting rips in endless belts
03/31/1987US4653499 Solid phase electrode
03/31/1987US4653337 Containers for use in detecting micro-organisms
03/31/1987CA1219910A1 Method of and system for real time differential pulse detection (rdpd)
03/31/1987CA1219909A1 Automated membrane test cell apparatus and method for so using
03/31/1987CA1219908A1 Diagnostic electrode membranes utilizing specific enzyme/ionophore pairs
03/31/1987CA1219907A1 Apparatus for detecting micro-organisms