| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 09/07/1976 | US3979666 Method and apparatus for evaluating properties of carbon fibers using capacitance sensing |
| 09/07/1976 | US3979665 Conductivity monitoring system |
| 09/07/1976 | US3979625 Halogens |
| 09/07/1976 | US3979581 Method and arrangement for determining the mass of tobacco or the like by capacitance and attenuation measurements in a resonant high frequency oscillator circuit |
| 09/07/1976 | US3979274 Membrane for enzyme electrodes |
| 08/31/1976 | USRE28951 Frequency-programmed electron-capture detector |
| 08/31/1976 | US3978398 Method for nondestructive magnetic inspection of an object employing a putty-like magnetic recording medium |
| 08/31/1976 | US3978397 Apparatus for sensing particles |
| 08/31/1976 | US3978006 Methods for producing oxygen-sensing element, particularly for use with internal combustion engine exhaust emission analysis |
| 08/24/1976 | USRE28940 Method and apparatus for agglomeration measuring and control |
| 08/24/1976 | US3976936 Non-destructive metal inspection apparatus using a sharp-pointed pin and coil for producing eddy currents in the inspected article |
| 08/24/1976 | US3976934 Method and apparatus for the continuous, contactless testing of a long conductor which consists at least partially of superconductive material |
| 08/24/1976 | US3975947 Method of and apparatus for quantitative analysis |
| 08/17/1976 | US3975681 Electrode for measuring thickness of dielectric layers on conductive substrates |
| 08/17/1976 | US3975253 Process change sensor |
| 08/17/1976 | US3974993 Railway track switch heating arrangement |
| 08/10/1976 | US3974442 Surface defect probe and dual channel apparatus with liftoff compensation |
| 08/10/1976 | US3974054 Measuring cell for determining oxygen concentrations in a gas mixture |
| 08/10/1976 | US3974040 Controls for maintaining low nitrogen oxides content in internal combustion engine exhaust gases |
| 08/10/1976 | US3973572 Self-purging apparatus for determining the quantitative presence of derived ions |
| 08/10/1976 | US3973555 Electrode cell assembly for the continuous determination of ion concentrations in living tissues |
| 08/10/1976 | US3973441 Accelerometer pig |
| 08/03/1976 | US3973192 Device for providing an early detection of aerosol products of combustion of a polyvinyl chloride substance |
| 08/03/1976 | US3973121 Detector for heavy ions following mass analysis |
| 08/03/1976 | US3972792 Device for determination of chemicals in a sample flow |
| 08/03/1976 | US3972432 Method for rotationally positioning a welded steel pipe in response to a seam section thereof and an apparatus for positioning the same |
| 07/27/1976 | US3971982 Plural frequency multi-phase transducer arrangement for detecting the presence and location of faults in a metal body and compensating for body movements |
| 07/20/1976 | US3970924 Apparatus for detecting faults in magnet wire insulation without thermally damaging the insulation and which does not respond to impedance indications above a predetermined threshold value |
| 07/20/1976 | US3970863 Element and method for detecting leakage of petroleum products |
| 07/20/1976 | US3970431 Carbon monoxide gas detector |
| 07/20/1976 | US3970388 Liquid stopped-flow apparatus |
| 07/13/1976 | US3969669 Method and apparatus for continuously determining the internal resistance of an electrolysis cell |
| 07/13/1976 | US3969228 Quality control monitor |
| 07/13/1976 | US3969218 Elution electrophoresis |
| 07/13/1976 | US3969210 Electrolytic cell |
| 07/13/1976 | US3969209 Automatic electrochemical ambient air monitor for chloride and chlorine |
| 07/13/1976 | US3968774 Mastitis detector |
| 07/06/1976 | US3968428 Portable soil moisture tester |
| 07/06/1976 | US3968342 Moisture responsive system for removing condensation |
| 07/06/1976 | US3967931 Flame aerosol detector for liquid chromatography |
| 06/29/1976 | US3967198 Method and apparatus for electrically determining plant water status |
| 06/29/1976 | US3967197 Method for detecting moisture in multiple layer roofs |
| 06/29/1976 | US3967194 Method for flaw location in a magnetizable pipeline by use of magnetic markers positioned outside of said pipeline |
| 06/29/1976 | US3967193 Apparatus for electroinductively detecting discontinuities below the surface of a metal object |
| 06/29/1976 | US3967125 Method and apparatus for making phosphors |
| 06/29/1976 | US3966973 Measuring impedance of alternating current |
| 06/29/1976 | US3966580 Novel protein-immobilizing hydrophobic polymeric membrane, process for producing same and apparatus employing same |
| 06/29/1976 | US3966579 Electrochemical fuel cell analyzer |
| 06/29/1976 | US3966493 Rechargeable mercury electrode |
| 06/29/1976 | US3966413 Electrochemical chlorine flux monitor |
| 06/29/1976 | US3966034 Phase sensitive coin discrimination method and apparatus |
| 06/22/1976 | US3965477 Automatic graphing apparatus |
| 06/22/1976 | US3965415 Alternating voltage method of electrically detecting damage to an enamel layer having one or more tantalum plugs |
| 06/22/1976 | US3965414 Temperature compensated conductivity measuring system |
| 06/22/1976 | US3965383 Multi-wire oxygen electrode and method of manufacturing the same |
| 06/22/1976 | US3964999 Determination of sodium form water softener breakthrough |
| 06/22/1976 | US3964992 Chamber and process for crossed immunoelectro-phoresis |
| 06/22/1976 | US3964988 Electrochemical monitoring |
| 06/22/1976 | US3964982 Method and apparatus for controlling the degree of hydration in sealing of anodized aluminum |
| 06/22/1976 | US3964981 Method for polarographic analysis using an electrode of tantalum/carbon material |
| 06/15/1976 | US3963979 Liquid conductivity measuring apparatus |
| 06/15/1976 | US3963440 Analysis system |
| 06/15/1976 | US3962866 Internal combustion exhaust catalytic reactor monitoring system |
| 06/08/1976 | US3962058 Flat bed isoelectric focusing device |
| 06/08/1976 | US3962046 Method and apparatus for testing properties of liquids |
| 06/08/1976 | US3961900 Combustible vapor detector |
| 06/08/1976 | US3961895 Electrical resistance |
| 06/01/1976 | US3961301 Humidity sensor |
| 06/01/1976 | US3961248 Gas detector using gas sensing elements exhibiting different response characteristics |
| 06/01/1976 | US3961247 Linear output moisture meter with temperature compensator |
| 06/01/1976 | US3961244 Magnetizing means for a magnetic flaw detector including a charging and discharging circuit |
| 06/01/1976 | US3960693 Device for electrochemically measuring the concentration of oxygen in combustion gases |
| 06/01/1976 | US3960692 Electro-chemical sensor construction |
| 06/01/1976 | US3960691 Tactical rate sensor |
| 06/01/1976 | US3960690 In gasoline |
| 06/01/1976 | US3960689 Concentrated potassium chloride solution |
| 06/01/1976 | US3960673 Technique for continuously analyzing the concentration of ozone dissolved in water |
| 06/01/1976 | US3960593 Method of increasing the long-term stability of a measuring element of textile testers |
| 06/01/1976 | US3960500 Gas sampling analyzing system |
| 06/01/1976 | US3960499 Biological test apparatus |
| 06/01/1976 | US3960497 Chemical analyzer with automatic calibration |
| 06/01/1976 | US3960495 Transducer |
| 06/01/1976 | US3959980 Refrigerant moisture detection system |
| 05/25/1976 | US3959788 Ionization-type fire detector |
| 05/25/1976 | US3959765 Stoichiometric air/fuel ratio exhaust gas sensor |
| 05/25/1976 | US3959764 Gas analyzing element |
| 05/25/1976 | US3959723 Lumber moisture measurement apparatus which is less sensitive to lumber movement and spacing |
| 05/25/1976 | US3959649 Collection of ions in a plasma by magnetic field acceleration with selective polarization |
| 05/25/1976 | US3959108 System for automatically measuring and controlling the sulfate content of a chromium plating solution |
| 05/25/1976 | US3959107 Combination electrode |
| 05/25/1976 | US3959087 In-line residual chlorine analyzer |
| 05/25/1976 | US3958941 Apparatus for measuring content of organic carbon |
| 05/18/1976 | US3958176 Method for measuring suitability of aluminum for use in certain propellants |
| 05/18/1976 | US3958159 Capacitance probe and system for precision measurement of liquid level |
| 05/18/1976 | US3957613 Miniature probe having multifunctional electrodes for sensing ions and gases |
| 05/18/1976 | US3957612 Electrode and immobilized electrolyte |
| 05/18/1976 | US3957611 Atmosphere monitoring electrochemical cell |
| 05/18/1976 | US3957610 Cell for measuring the amount of CO in a gas |
| 05/18/1976 | US3957607 Process for the preparation of lipide soluble complexes of cations, application of the process and use of the complexes |
| 05/18/1976 | US3957592 Measurement of polarographic current |