| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 09/23/1981 | EP0036274A2 Methods of monitoring micro-organisms and media for culture |
| 09/23/1981 | EP0036171A1 Electrochemical sensing apparatus with in situ calibration and method of making same |
| 09/23/1981 | EP0036163A2 Tritium detection in gases |
| 09/22/1981 | US4291273 Flow regime detecting |
| 09/22/1981 | US4290911 Agarose composition, aqueous gel and method of making same |
| 09/22/1981 | US4290872 Using hydrogen to determine the dissolved oxygen |
| 09/22/1981 | US4290871 Vertical gel slab electrophoresis method |
| 09/22/1981 | US4290855 Electrophoresis |
| 09/22/1981 | US4290775 Ion exchanging |
| 09/22/1981 | US4290431 Transcutaneous oxygen and local perfusion measurement |
| 09/22/1981 | CA1109542A1 Apparatus and method for non-invasive detection of strictures in conductive fluid conduits |
| 09/22/1981 | CA1109522A1 Oxygen concentration analyzer |
| 09/17/1981 | WO1981002637A1 A simple electronic apparatus for the analysis of radioactively labeled gel electrophoretograms |
| 09/16/1981 | EP0035878A2 Method and apparatus for measuring interfacial electrokinetic phenomena |
| 09/15/1981 | US4290017 Apparatus and method for nondestructive evaluation of surface flaws in conductive materials |
| 09/15/1981 | US4290016 Method and apparatus for establishing magnetization levels for magnetic particle testing or the like |
| 09/15/1981 | US4289802 Porous cermet electrode and method of making same |
| 09/15/1981 | US4289648 For use in diagnostic medicine |
| 09/15/1981 | US4289596 Horizontal electrophoresis or isoelectric focusing apparatus and method of using same |
| 09/15/1981 | CA1109166A1 Ionization fire-signal device |
| 09/09/1981 | EP0035480A2 Enzyme electrode using electrolytic oxygen |
| 09/09/1981 | EP0035400A1 Apparatus and method for measuring the partial pressure of a gas |
| 09/09/1981 | EP0035391A2 Multi frequency eddy current test apparatus and method |
| 09/09/1981 | EP0035177A1 Method and appparatus for sensing oxygen in a gas atmosphere |
| 09/08/1981 | US4288775 Semiconductor comprising noble metal electrode with a pure layer of aluminum oxide and a counterelectrode |
| 09/08/1981 | US4288774 Gas detector |
| 09/08/1981 | US4288749 Method and apparatus for measuring oxygen concentration |
| 09/08/1981 | US4288742 Electrical moisture sensor |
| 09/08/1981 | US4288741 Electrical measurement of fluid void fraction for fluid having capacitive and resistive conductive components |
| 09/08/1981 | US4288425 Method and apparatuses for electrophoretic immunoassay |
| 09/08/1981 | US4288308 Continuous pH meter |
| 09/08/1981 | US4287764 Fluid analyzer construction and housing |
| 09/08/1981 | US4287753 Automatic moisture controller with stack sensor |
| 09/08/1981 | US4287751 Gas detector |
| 09/08/1981 | CA1108698A1 Device for monitoring a component in a fluid mixture |
| 09/08/1981 | CA1108517A1 Analytical method for determining acid/salt and base/salt species concentration in solution |
| 09/03/1981 | WO1981002468A1 Method and apparatus for determining the moisture content of particulate material that may contain an unknown amount of moisture in a frozen state |
| 09/02/1981 | EP0034887A1 Improvements in and relating to testing coins |
| 09/01/1981 | US4287474 Method and apparatus for non-destructive quality testing of spot welds |
| 09/01/1981 | US4287470 Digital humidimeter |
| 09/01/1981 | US4287042 Ion-selective electrode and method of making said electrode |
| 09/01/1981 | US4287028 Electrochemical detection procedure for the determination of glucose in biological fluids |
| 09/01/1981 | US4287027 Method of determining the concentration of reducing agents |
| 09/01/1981 | US4286965 Containing copper ions, sodium hydroxide, and formaldehyde |
| 09/01/1981 | US4286378 Process for producing a body of sintered TiO2 for resistive gas sensor |
| 09/01/1981 | CA1108235A1 End point quality control light circuit |
| 09/01/1981 | CA1108234A1 Measurement of anaesthetic gas concentration |
| 08/31/1981 | EP0026786A4 Method and apparatus for measuring electrostatic charge density. |
| 08/28/1981 | EP0026208A4 Improvements relating to conductance meters of a type especially suitable for estimating the moisture content of organic materials. |
| 08/26/1981 | EP0034459A2 Cereal grain moisture content measuring apparatus |
| 08/26/1981 | EP0034414A2 Surface inspection equipment |
| 08/26/1981 | EP0034233A1 Buffer composition, method for the electrophoretic separation of proteins and buffer solution therefor |
| 08/25/1981 | US4286216 Ferromagnetic resonance probe and method for flaw testing in metals |
| 08/25/1981 | US4286210 Air ion and charge detector |
| 08/25/1981 | US4286209 Small conductive particle sensor |
| 08/25/1981 | US4285792 Portable pH meter for effluents having a self-cleaning electrode chamber |
| 08/25/1981 | US4285791 Which prevents damage and assures sealing of the measuring chamber |
| 08/25/1981 | US4285790 Sensor for oxygen-combustibles gas mixtures |
| 08/20/1981 | WO1981002354A1 Improvements in and relating to testing coins |
| 08/19/1981 | EP0033802A2 Eddy current inspection apparatus and probe |
| 08/18/1981 | US4284947 Detecting the size and shape of bodies |
| 08/18/1981 | US4284491 Vertical channels, electrode vessels containing buffer |
| 08/18/1981 | US4284487 Flue gas from furnace |
| 08/18/1981 | US4284486 Solid pole oxygen sensor and its manufacturing process |
| 08/18/1981 | CA1107350A1 Protection assembly and ground for gas constituent sensor |
| 08/18/1981 | CA1107234A1 Method and apparatus for rejuvenating ion sources |
| 08/12/1981 | EP0033618A2 Apparatus for billet surface inspection |
| 08/12/1981 | EP0033521A2 Multi-functional sensor |
| 08/12/1981 | EP0033520A2 Multi-functional sensing or measuring system |
| 08/11/1981 | US4283703 Vibration-resistant probe-like electrical heaters |
| 08/11/1981 | US4283441 Method of making an ion conductive gas sensor body with a cermet electrode thereon |
| 08/11/1981 | US4283262 Analysis system |
| 08/11/1981 | US4283261 Electrochemical sensor structure to determine oxygen content in combustion exhaust gases |
| 08/11/1981 | US4283256 Method and apparatus for measuring the strength of the air/fuel mixture supplied e.g. to an I.C. engine |
| 08/11/1981 | US4282741 In trace amounts in gas streams |
| 08/11/1981 | CA1106932A1 Electronic wall stud sensor |
| 08/06/1981 | WO1981002218A1 Ion selective electrodes and calibration method |
| 08/05/1981 | EP0033188A1 Electrochemical detection system |
| 08/05/1981 | EP0032984A2 Method of and apparatus for measuring trace amounts of oxygen |
| 08/04/1981 | US4282521 Regulating circuit for gaseous impurity detector |
| 08/04/1981 | US4282487 Subsea hydrocarbon sensor system |
| 08/04/1981 | US4282481 Apparatus for measuring the local void fraction in a flowing liquid containing a gas |
| 08/04/1981 | US4282480 Apparatus for humidity detection |
| 08/04/1981 | US4282081 Double junction reference electrode |
| 08/04/1981 | US4282080 Electrochemical sensor, particularly for oxygen determination in combustion gases |
| 08/04/1981 | US4282079 Planar glass ion-selective electrode |
| 08/04/1981 | US4282078 Solid state sensor for anhydrides |
| 08/04/1981 | US4282072 Method for automatic industrial electrochemical analysis |
| 08/04/1981 | US4281659 Applying and securing percutaneous or transcutaneous probes to the skin especially for fetal monitoring |
| 08/04/1981 | CA1106506A1 Ionization smoke detector having improved stability and sensitivity |
| 08/04/1981 | CA1106466A1 Device for checking metal pieces, particularly coins |
| 08/04/1981 | CA1106447A2 Probe for an electrochemical oxygen measurement pickup |
| 08/04/1981 | CA1106446A2 Probe for an electrochemical oxygen measurement pickup |
| 08/04/1981 | CA1106445A1 Apparatus and method for detecting metabolic activity |
| 07/29/1981 | EP0032844A2 Gas detector filter |
| 07/29/1981 | EP0032770A2 Apparatus for chromatographic ion analysis and method of chromatographic ion analysis |
| 07/28/1981 | US4281286 Apparatus and method for detecting wet and icy conditions on the surface of a pathway |
| 07/28/1981 | US4281230 Anti-arc prod |
| 07/28/1981 | US4280970 Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate |
| 07/28/1981 | US4280890 Electrochemical sensor for oxygen concentration determination in gases and method of making the same |