| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
|---|
| 06/20/1978 | US4096437 Magnetic testing device for detecting loss of metallic area and internal and external defects in elongated objects |
| 06/20/1978 | US4096433 Automatic inspection for the deposition of conductive liquids |
| 06/20/1978 | US4096050 Oxygen detector |
| 06/20/1978 | US4096049 Silver sulfide |
| 06/20/1978 | US4096048 Ceramics |
| 06/20/1978 | US4096047 Amperometric cells |
| 06/20/1978 | US4095462 Device for detecting the air-fuel ratio of an internal combustion engine |
| 06/13/1978 | US4095181 Rotating pot shaped eddy current probe in which only a small fraction of the lip forming the outer core portion is retained |
| 06/13/1978 | US4095180 Method and apparatus for testing conductivity using eddy currents |
| 06/13/1978 | US4095171 Alkali metal ionization detector |
| 06/13/1978 | US4094832 Vinylic group containing dextran derivative gel for use in electrophoretic separation processes |
| 06/13/1978 | US4094759 Electrophoretic migration toward a plurality of separate carrier strips |
| 06/13/1978 | US4094186 Mixture control monitor apparatus |
| 06/06/1978 | US4093855 Detector for heavy ions following mass analysis |
| 05/30/1978 | US4092635 Humidity sensor alarm unit |
| 05/30/1978 | US4092233 For polarographic electrode, detection of glucose in blood |
| 05/30/1978 | US4092232 H2 S Direct gas sensor |
| 05/30/1978 | US4092229 Thermal convection counter streaming sedimentation and forced convection galvanization method for controlling the sex of mammalian offspring |
| 05/30/1978 | US4092117 Device and method for monitoring the metal content of aqueous systems |
| 05/30/1978 | US4091833 Device for detecting predetermined foaming conditions in fluids |
| 05/30/1978 | US4091655 Method and apparatus for analyzing trace components using a cryopumpable reagent gas |
| 05/23/1978 | US4091324 Conductivity cell |
| 05/23/1978 | US4091283 Extremely sensitive metallic vapor detection |
| 05/23/1978 | US4090937 Electrophoretic technique for varying the concentration of a colloidal solution |
| 05/23/1978 | US4090926 Testing product |
| 05/23/1978 | US4090925 PH measuring instrument and method |
| 05/23/1978 | US4090924 Method to determine the suitability of diaphragm for use in an electrolytic cell |
| 05/16/1978 | US4090170 Process and apparatus for investigating the activity of a cathodic protection unit |
| 05/16/1978 | US4090078 Method and arrangement for determining alcohol content in the breath |
| 05/09/1978 | US4088985 Centralized monitoring system for gas leakage |
| 05/09/1978 | US4088984 Flame detection |
| 05/09/1978 | US4088953 Eddy-current test probe utilizing a combination of high and low reluctance materials to optimize probe sensitivity |
| 05/09/1978 | US4088946 Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen |
| 05/09/1978 | US4088561 Apparatus for electrophoresis separation |
| 05/09/1978 | US4088555 Oxygen sensor particularly for use in exhaust system of automotive engine |
| 05/09/1978 | US4088543 Maintaining an oxidizing atmosphere in response to emf signal |
| 05/02/1978 | US4087749 Method and apparatus for normalizing the outputs of sequentially scanned magnetic flaw detectors |
| 05/02/1978 | US4087748 Pneumatic drive device for a probe, particularly an eddy current measuring probe |
| 05/02/1978 | US4087743 Fog-water conductivity measuring device |
| 05/02/1978 | US4087742 Hot water heater corrosion detector probe |
| 05/02/1978 | US4087346 Blood analysis, quantitative analysis |
| 04/25/1978 | US4086556 Chromates of magnesium, iron, nickel, cobalt, manganese, and copper, magnesium titanate, magnesium stannate |
| 04/25/1978 | US4086372 Method for applying an organic liquid sample |
| 04/18/1978 | US4085024 Galvanic cell assembly for detecting oxygen and method of making said cell |
| 04/18/1978 | US4085023 Apparatus for detecting elements |
| 04/18/1978 | US4085009 Monitoring in a electrolytic cell |
| 04/18/1978 | US4084541 Dyeing and decolorization apparatus for use in a blood serum analyzer of an electrophoretic type |
| 04/18/1978 | CA1029808A1 Continuous monitoring or the internal resistance of an electrolytic cell |
| 04/11/1978 | US4084136 Eddy current nondestructive testing device for measuring variable characteristics of a sample utilizing Walsh functions |
| 04/11/1978 | US4083766 Electrochemical cells |
| 04/11/1978 | US4083765 Persulfonic acid substituted polytetrafluoroethylene tube |
| 04/11/1978 | US4083764 Silver-iodine pyrophosphate coated with silver halide or silver phosphate |
| 04/11/1978 | US4083754 Voltammetric apparatus and method |
| 04/04/1978 | US4083030 Electric hygrometer |
| 04/04/1978 | US4082997 Oil detecting device |
| 04/04/1978 | US4082994 Vapor/liquid fraction determination |
| 04/04/1978 | US4082666 For water demineralizer |
| 03/28/1978 | US4081795 Apparatus and method for detecting the occurrence of an alarm condition |
| 03/28/1978 | US4081345 Conversion to ammonium ions, basification, oxidation to nitrogen by hypobromite ions, electrolytically generated from bromide ions, measurement of current |
| 03/28/1978 | US4081340 Method of and device for increasing the permeability of the skin of cells of living beings |
| 03/28/1978 | US4081334 Antigen membranes for use in syphilis diagnosis and syphilis diagnosis apparatus using such membranes |
| 03/28/1978 | US4081241 Diagnostic process |
| 03/21/1978 | US4080593 Apparatus for the detection of liquid components in gases for dry-running compressors |
| 03/21/1978 | US4080565 Method for measuring the polarization potential of metal structures located in an aggressive medium in a current field and arrangement for execution of this method |
| 03/21/1978 | US4080564 Metal oxide sintered substrate |
| 03/21/1978 | US4080563 Haylage/silage moisture tester |
| 03/21/1978 | US4080562 Apparatus for measuring capacitance or resistance and for testing a capacitance responsive gaging system |
| 03/21/1978 | US4080561 Method and apparatus for testing dielectric adequacy and for indicating physical defects in a nonconducting material |
| 03/21/1978 | US4080535 Generator condition monitor for particulate detection |
| 03/21/1978 | US4080276 Gas sensor with protective coating and method of forming same |
| 03/21/1978 | US4080169 Determination method for mercury in organic compounds |
| 03/14/1978 | US4079312 Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor |
| 03/14/1978 | US4078981 CO2 interference free O2 electrode |
| 03/14/1978 | US4078880 Apparatus for detecting non-combusted fuel components in exhaust gases of a heating installation and method for operating the aforesaid apparatus |
| 03/14/1978 | US4078510 Relating to the cathodic protection of structures |
| 03/07/1978 | US4078202 Apparatus for detecting wire joint |
| 03/07/1978 | US4078176 Mass spectrometer |
| 03/07/1978 | US4077861 Polarographic sensor |
| 03/07/1978 | US4077775 Element for detecting the presence of combustible gases in a gaseous atmosphere |
| 02/28/1978 | US4076982 Automatic sample-changer for mass spectrometers |
| 02/28/1978 | US4076608 Oxygen sensor |
| 02/28/1978 | US4076596 Electrolytic cell, oxygen |
| 02/21/1978 | US4075680 Capacitance densitometer for flow regime identification |
| 02/21/1978 | US4075550 Ionization cell for sensing and measuring gaseous impurities |
| 02/21/1978 | US4075487 Ionization chamber assembly |
| 02/21/1978 | US4075479 Focusing ion lens system for mass spectrometer for separating charged and neutral particles |
| 02/14/1978 | US4074184 Nonconductive vapor/solid or liquid fraction determination |
| 02/14/1978 | US4074027 Generating device utilizing irradiated copper electrode |
| 02/14/1978 | US4073713 Membrane for enzyme electrodes |
| 02/14/1978 | US4073698 Method and device for the detection and measurement of carbon monoxide in the presence of hydrogen |
| 02/14/1978 | US4073053 Method of making an ion responsive electrode |
| 02/14/1978 | US4073052 Method of making a reference electrode |
| 02/07/1978 | US4072896 Apparatus for measuring the electron escape potential of metal surfaces |
| 02/07/1978 | US4072895 Eddy current converter for non-destructive testing of electrically conducting coating in holes of printed circuit boards |
| 02/07/1978 | US4072894 Rotating pipeline inspection apparatus |
| 02/07/1978 | US4072892 Electrolytic measurement system with an inner post and an outer cylindrical shield fluid boundary |
| 02/07/1978 | US4072594 Anodic stripping voltammetric apparatus |
| 02/07/1978 | US4072576 Method for studying enzymatic and other biochemical reactions |
| 02/07/1978 | US4072467 Heatable wire filament embedded in an oxidation catalyst pellet |
| 01/31/1978 | US4071817 High temperature electrochemical cell tester |