| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 01/31/1978 | US4071816 In suspension polymerization |
| 01/31/1978 | US4071427 Arsenite electrode |
| 01/31/1978 | US4070986 Automatic blood serum applicator apparatus for cataphoretic use |
| 01/24/1978 | US4070561 Method and apparatus of controlling an automatic inspection device |
| 01/24/1978 | US4070263 Apparatus for the measurement of the mobility of colloids in an electric field |
| 01/24/1978 | US4069716 Apparatus and method for use in determining conditions related to a plant |
| 01/24/1978 | US4069714 Method for measuring physical data by magnetic means |
| 01/10/1978 | US4068168 Electrical resistivity probe means |
| 01/10/1978 | US4068167 Radial electrode for determining the amount of moisture in seed cotton |
| 01/10/1978 | US4068162 Rinse tank control system |
| 01/10/1978 | US4068021 Method of making gas analyzing element |
| 01/10/1978 | US4067792 Solid metal oxide electrolyte and method of making |
| 01/10/1978 | US4067695 Sintered body of an oxyacid salt semiconductor |
| 01/03/1978 | US4066951 Apparatus for calibrating moisture measuring instrument |
| 01/03/1978 | US4066948 Concentration measuring apparatus and process |
| 01/03/1978 | US4066904 Method of measurement of the concentration of a substance contained in a gas and devices for carrying out said method |
| 01/03/1978 | US4066894 Positive and negative ion recording system for mass spectrometer |
| 01/03/1978 | US4066528 Coulometry |
| 01/03/1978 | US4066413 Gas component detection apparatus |
| 01/03/1978 | US4066406 Process and apparatus for the voltammetric measurement of the quantity or mass of separated sample components |
| 12/27/1977 | US4065373 Ferrous metal corrosion |
| 12/27/1977 | US4065372 Electrochemical oxygen sensing element, particularly for determination of oxygen content in the exhaust gases of automotive internal combustion engines |
| 12/27/1977 | US4065371 Electrochemical carbon meter |
| 12/27/1977 | US4065363 Process for the electrometric measurement of cyanide ions in solutions containing metal ions |
| 12/27/1977 | US4065357 Detection of catalase-containing bacteria |
| 12/27/1977 | US4064609 Membrane mounting device |
| 12/20/1977 | US4064498 Electrical circuitry for detecting a combustible mixture of gas in a mine atmosphere |
| 12/20/1977 | US4064455 Fluid condition monitoring system |
| 12/20/1977 | US4064452 Eddy current defect simulator and method |
| 12/20/1977 | US4063897 Solid electrolyte type air-fuel ratio detector |
| 12/20/1977 | US4063510 Process for detecting a misfired explosive |
| 12/20/1977 | US4063447 Bridge circuit with drift compensation |
| 12/20/1977 | US4063446 Method of and apparatus for automatically detecting traces of organic solvent vapors in air |
| 12/13/1977 | US4063157 Magnetic testing device for internal surfaces of pipe using a magnetizing means and expandable magnetizable material within the pipe |
| 12/13/1977 | US4063156 Assymetric cylinder electron capture detector |
| 12/13/1977 | US4063153 Vapor liquid fraction determination |
| 12/13/1977 | US4062750 Thin film electrochemical electrode and cell |
| 12/06/1977 | US4061968 Process of and apparatus for non-destructive eddy current testing involves the suppression of displayed lobes corresponding to fault parameters to be eliminated from the display |
| 12/06/1977 | US4061967 Support system for rotatable detecting element |
| 12/06/1977 | US4061964 Armature operation-release testing apparatus |
| 12/06/1977 | US4061561 Automatic multiple-sample applicator and electrophoresis apparatus |
| 12/06/1977 | US4061560 Apparatus for deflection electrophoresis |
| 12/06/1977 | US4061543 Bioassay for drugs and antibiotics |
| 11/29/1977 | US4060760 Eddy current sensor for non-destructive testing the quality of electrically conductive through-hole plating in printed circuit boards |
| 11/29/1977 | US4060717 Acid tester |
| 11/29/1977 | US4060461 Method and apparatus for correcting error in corrosion rate measurements |
| 11/22/1977 | US4059795 Digital eddy current apparatus for sensing and analyzing metallurgical characteristics of an electrically conductive material |
| 11/22/1977 | US4059744 Net oil computer or the like |
| 11/22/1977 | US4059501 Automated electrophoresis unit |
| 11/22/1977 | US4059499 Nitrate ion selective electrode |
| 11/22/1977 | US4059490 Diethanolamine-hydrochloride buffer reagent |
| 11/22/1977 | US4059406 Electrochemical detector system |
| 11/15/1977 | US4058766 Multiple-frequency permittivity tester |
| 11/15/1977 | US4058762 Method and apparatus for magnetic inspection through adjustable pulsed alternating and direct current magnetic fields |
| 11/15/1977 | US4058447 Electrochemical measuring electrode |
| 11/15/1977 | US4058446 Anodic stripping voltammetry system and combination electrode assembly therefore |
| 11/15/1977 | US4058438 Rapid universal sensing cell |
| 11/15/1977 | US4058437 Process for selectively measuring sodium ions in solution |
| 11/15/1977 | US4058368 Semiconductor, palladium, nickel, platinum or alloy electrode |
| 11/15/1977 | US4057996 Gallium oxide resistor |
| 11/08/1977 | US4057823 Porous silicon dioxide moisture sensor and method for manufacture of a moisture sensor |
| 11/08/1977 | US4057755 Thermal conductivity detector circuit |
| 11/08/1977 | US4057478 Carbon monoxide |
| 11/08/1977 | US4057477 Device for electrochemically measuring the concentration of oxygen in combustion gases |
| 11/08/1977 | US4056972 Testing of inaccessable parts |
| 11/01/1977 | US4056772 Ion detector |
| 11/01/1977 | US4056445 Determination of corrosion rates by an electrochemical method |
| 11/01/1977 | US4055987 Liquid chromatograph/mass spectrometer interface |
| 10/25/1977 | US4055799 Method of and device for measuring elastic and di-electric properties of the diaphragm of living cells |
| 10/25/1977 | US4055797 Electrolytic conductance meter |
| 10/25/1977 | US4055792 Electrical control system for an exhaust gas sensor |
| 10/25/1977 | US4055478 Coulometric titrator |
| 10/25/1977 | US4055077 Method and apparatus for the moisture measurement of textile webs |
| 10/18/1977 | US4054796 Mass spectrometer with superimposed electric and magnetic fields |
| 10/11/1977 | US4053825 Ionization chamber type gas leak detector operating in the high voltage avalanche region |
| 10/11/1977 | US4053776 Sub-micron particle detector |
| 10/11/1977 | US4053382 Hydrophilic layer on surface of polytetrafluoroethylene |
| 10/11/1977 | US4053381 Device for determining ionic activity of components of liquid drops |
| 10/04/1977 | US4052691 Humidity sensor |
| 10/04/1977 | US4052667 Moisture meter construction |
| 10/04/1977 | US4052286 Solid sensor electrode |
| 10/04/1977 | US4052285 Ion selective electrodes |
| 10/04/1977 | US4052268 Method for the detection and measurement of nitric oxide, nitrogen dioxide and mixtures thereof |
| 10/04/1977 | US4051719 Method and apparatus for the moisture measurement of flat structures, especially textile webs |
| 09/27/1977 | US4051006 Portable electrochemical cell structure |
| 09/27/1977 | US4050995 Through plastic films |
| 09/27/1977 | US4050384 Tube inspection and servicing apparatus |
| 09/27/1977 | US4050293 Device for detecting the unevenness of a curved surface |
| 09/20/1977 | US4050048 Humidity sensor, material therefor and method |
| 09/20/1977 | US4050016 Volumetric moisture tester |
| 09/20/1977 | US4050011 Eddy current flaw detector using a pair of parallel resonant circuits and a negative resistance in parallel with each circuit |
| 09/20/1977 | US4049989 Ion production means |
| 09/20/1977 | US4049534 Electrophorectic apparatus for elution from preparative gels |
| 09/20/1977 | US4049526 Extended-life electrode |
| 09/20/1977 | US4049525 Corrosion test cell |
| 09/20/1977 | US4049524 Layers of electrolyte and a carbon silicide electrode |
| 09/20/1977 | US4049503 Electrochemical gas detection |
| 09/20/1977 | US4049382 Total residual chlorine |
| 09/20/1977 | US4048844 Electric system of meter for measurements of density of mixtures conveyed in a pipeline |
| 09/13/1977 | US4048558 Method and apparatus for detecting metal failures in situ |