| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 01/18/1977 | US4004216 Apparatus for detecting metallic particles in a flow of dielectric medium |
| 01/18/1977 | US4003815 Apparatus for measuring stray current electrolytic corrosion |
| 01/18/1977 | US4003814 Apparatus for the continuous measurement of the oxygen content of molten copper or alloys thereof |
| 01/18/1977 | US4003705 Analysis apparatus and method of measuring rate of change of electrolyte pH |
| 01/11/1977 | US4002967 Annular eddy current test coil with magnetic laminations adjacent a limited circumferential extent |
| 01/11/1977 | US4002966 Apparatus for detecting imperfections on the wall of cylindrical containers |
| 01/11/1977 | US4002548 Lead chloride, magnesium chloride, lead |
| 01/11/1977 | US4002547 Hydrophobic polymer |
| 01/11/1977 | US4002429 Method and apparatus for measuring the concentration of combustible components of a gas mixture |
| 01/11/1977 | US4002428 Deductive method for measuring ion concentration electrically |
| 01/04/1977 | US4001758 Stoichiometric air/fuel ratio exhaust gas sensor |
| 01/04/1977 | US4001757 Method for detecting a reducing material in a gas phase |
| 01/04/1977 | US4001756 Measuring cell for determining oxygen concentrations in a gas mixture |
| 01/04/1977 | US4001103 Catalytic reduction, electrolytic cells |
| 01/04/1977 | US4001102 Electrophoresis |
| 12/28/1976 | US4000458 Method for the noncontacting measurement of the electrical conductivity of a lamella |
| 12/28/1976 | US4000089 Element for detecting carbon monoxide |
| 12/28/1976 | US3999947 Reducing gas sensor and a method of producing the same |
| 12/28/1976 | US3999505 Apparatus for automatic application of blood serum |
| 12/21/1976 | US3999122 Semiconductor sensing device for fluids |
| 12/21/1976 | US3999119 Measuring toner concentration |
| 12/21/1976 | US3999048 Flow control system for the precipitation of silver halide emulsions |
| 12/21/1976 | US3998719 Isotachophoretic columns |
| 12/21/1976 | US3998717 Glass electrode for membrane diffusion analysis of gases |
| 12/21/1976 | US3998375 Bonding of metals to solid electrolytes |
| 12/21/1976 | US3998212 Electrode for percutaneous polarographic measurements |
| 12/14/1976 | US3997838 Apparatus and method for measurement of total volume of particles in a liquid sample |
| 12/14/1976 | US3997837 Gas analysis device |
| 12/14/1976 | US3997836 Detector for chromatographs |
| 12/14/1976 | US3997466 Metallic foil coated with scandium tritide for use as a beta particle source in an ionization detector at high temperatures and method of manufacture |
| 12/14/1976 | US3997420 Automatic analyzer |
| 12/14/1976 | US3997419 Sensor |
| 12/14/1976 | US3997416 Method and apparatus for analyzing gaseous mixtures |
| 12/14/1976 | US3997297 Method and apparatus for detecting a constituent in an atmosphere |
| 12/07/1976 | US3996509 Conductivity dip cell |
| 12/07/1976 | US3996124 Flush mounted corrosion probe assembly for pipeline |
| 12/07/1976 | US3996123 Coulometric detector |
| 12/07/1976 | US3995488 Dielectric change sensing device |
| 11/30/1976 | US3995213 Surface impedance tester |
| 11/30/1976 | US3995211 Electromagnetic induction type detectors |
| 11/30/1976 | US3995140 Electrically heated window |
| 11/30/1976 | US3994593 Apparatus for automatic quantitative analysis of blood serum specimens by cataphoretic process |
| 11/30/1976 | US3994587 Densitometer |
| 11/30/1976 | US3994189 Electrophoresis gel slicer apparatus and method |
| 11/30/1976 | US3994173 Remote orientation of a probe in a tubular conduit |
| 11/23/1976 | US3993947 Admittance measuring system for monitoring the condition of materials |
| 11/23/1976 | US3993945 Measuring cells for measuring electrical conductivity of liquids |
| 11/23/1976 | US3993194 Method and apparatus for monitoring the density of rod-shaped articles, particularly cigarettes and the like |
| 11/23/1976 | US3992826 Apparatus for automatically detecting and eliminating flaws on slabs or billets |
| 11/16/1976 | US3992665 Electrical impedance measuring apparatus |
| 11/16/1976 | US3992662 Liquid conductivity measuring device |
| 11/16/1976 | US3992267 Electrochemical gas detection method |
| 11/16/1976 | US3992155 Collecting apparatus for gases |
| 11/16/1976 | US3991626 Analysis system for an atmosphere tracer dispersion system |
| 11/16/1976 | US3991623 Marine instrument |
| 11/09/1976 | US3991375 Analog scanner |
| 11/09/1976 | US3991360 Sensor assembly for a halogen gas leak detector |
| 11/09/1976 | US3990960 Oil test apparatus |
| 11/09/1976 | US3990903 Hydrothermal cement and method of cementing well bores |
| 11/09/1976 | US3990301 Inspection device |
| 11/09/1976 | US3990292 Frequency modulated fluidic gauge |
| 11/02/1976 | US3990066 Water quality monitor |
| 11/02/1976 | US3989614 Oxygen, platinum family catalyst |
| 11/02/1976 | US3989613 Continuous balanced flow fixed boundary electrophoresis |
| 11/02/1976 | US3989612 Buffers, direct current |
| 11/02/1976 | US3989463 Sensing element and detection system employing such element for detection of environmental borne material |
| 11/02/1976 | US3989009 Fluid conductivity measurement apparatus |
| 10/26/1976 | US3988665 Eddy current test coil assembly using printed circuit conductor means |
| 10/26/1976 | US3988530 Automatic defect-detecting method and apparatus |
| 10/26/1976 | US3988234 Sodium specific glass electrodes |
| 10/26/1976 | US3988233 Apparatus for measuring dissolved gases in a fluid medium |
| 10/26/1976 | US3988230 Chamber and process for crossed immunoelectro-phoresis |
| 10/26/1976 | US3987676 Relative humidity detector |
| 10/19/1976 | US3987363 Apparatus for testing thin layers of bubble domain material for defects |
| 10/19/1976 | US3987362 Sensors |
| 10/19/1976 | US3987302 Resonance ionization for analytical spectroscopy |
| 10/12/1976 | US3986111 Inverted voltage Gerdien Condenser |
| 10/12/1976 | US3986110 Water depth measuring device |
| 10/12/1976 | US3985633 Device for the polarographic measurement of oxygen pressure |
| 10/12/1976 | US3985509 Flame ionization detector with flame monitor |
| 10/05/1976 | US3984766 Digital apparatus for rapidly detecting the growth of and identifying micro-biological organisms |
| 10/05/1976 | US3984533 Electrophoretic method of detecting antigen-antibody reaction |
| 10/05/1976 | US3984298 Electromolecular propulsion in semiconductive media |
| 10/05/1976 | US3984205 Flame ionization detector |
| 10/05/1976 | US3984204 Gas monitors |
| 09/28/1976 | US3983527 Humidity-sensitive sensor |
| 09/21/1976 | US3982177 Soil sample conductivity measurement utilizing a bridge circuit and plural electrode cell |
| 09/21/1976 | US3981785 Electrochemical sensor for reactive gas mixtures |
| 09/14/1976 | US3980947 Method of energizing a magnetic stress transducer to reduce the creep of the measuring signal |
| 09/14/1976 | US3980946 Apparatus for measuring the electrical conductivity of a liquid |
| 09/14/1976 | US3980944 Portable conductivity meter for artificial kidney machines |
| 09/14/1976 | US3980928 Fire detectors |
| 09/14/1976 | US3980884 Process and apparatus for determining the concentration of a suspension |
| 09/14/1976 | US3980546 Micropreparative electrophoresis apparatus |
| 09/14/1976 | US3980543 Electrochemical cell structure |
| 09/14/1976 | US3980542 Flush mounted probe for corrosion testing |
| 09/14/1976 | US3980540 Vertical gel slab electrophoresis apparatus and method |
| 09/14/1976 | US3980530 Two-electrode gas analysis method for electrically sensing and controlling redox reactions |
| 09/14/1976 | US3980435 Method for controllng boric acid concentration in an aqueous stream |
| 09/07/1976 | US3979667 Electrical indicators |