| Patents for G01N 17 - Investigating resistance of materials to the weather, to corrosion, or to light (6,567) |
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| 12/18/1990 | US4978506 Corrosion product monitoring method and system |
| 12/12/1990 | EP0401257A1 Method and system for measuring the corrosion properties of specimens. |
| 11/08/1990 | DE3914585A1 Exposed sample testing corrosive effect of flowing gas - is maintained at specific temp. related to adjacent measured dew point |
| 11/07/1990 | EP0396366A2 Electrode probe |
| 11/07/1990 | EP0396365A2 Electrode probe |
| 10/31/1990 | CN1046602A Probe for measuring negative offset of under ground pipe-line cathode protection potential |
| 10/10/1990 | CN1009957B Device for detecting internal anomaly of electric apparatus inflated sulfur hexafluoride |
| 10/09/1990 | US4962360 Absorbent polymer, degradation of coating |
| 10/02/1990 | USH831 Tubular biofilm reactor |
| 09/20/1990 | DE3908671A1 Probe for corrosion monitoring |
| 09/18/1990 | US4958130 Evaluation method of corrosion of steel material embedded in concrete |
| 09/18/1990 | US4957616 Compression bolt; elastomer cylinder; stress distribution washer |
| 09/18/1990 | US4957012 Predictive aging of polymers |
| 09/18/1990 | US4957011 Weathering testing system |
| 08/28/1990 | CA1273228A1 Device for measuring the corrosivity of exhausts |
| 08/22/1990 | EP0383338A2 Method and system for monitoring wall thickness of pipelines, pressure vessels etc. and a sensor to be used for the same purpose |
| 08/21/1990 | CA1273064A1 Measurement of the polarized potential of buried pipeline having impressed current cathodic protection |
| 08/21/1990 | CA1273058A1 Corrosion probe and method for measuring corrosion rates |
| 08/17/1990 | CA2010110A1 Procedure and device for corrosion determination |
| 08/17/1990 | CA2008520A1 Method and system for monitoring wall thickness of pipelines, pressure vessels etc. and a sensor to be used for the same purpose |
| 08/16/1990 | EP0382532A1 Method for determining crack lengths |
| 08/16/1990 | EP0382196A2 Measurement of electrochemical potential in low electrical conductivity environments |
| 08/16/1990 | CA2009901A1 Cathodic protection analyzer |
| 08/14/1990 | US4948492 High pressure reference electrode for nuclear reactors |
| 08/08/1990 | CA2009588A1 Measurement of electrochemical potential in low electrical conductivity environment |
| 08/01/1990 | EP0379518A1 Surface mounting corrosion probe. |
| 07/31/1990 | CA1272265A1 Method for directly detecting corrosion on conductive containers |
| 07/26/1990 | DE3900942A1 Multiple sensor system |
| 07/18/1990 | CN1008830B Corrosion method for testing the stress-resistance of connecting legs of semiconductor devices |
| 07/17/1990 | US4942354 Process for monitoring the effectiveness of repairs made to zones of reinforced concrete structures |
| 07/10/1990 | US4940944 Cathodic protection analyzer in which the fundamental and odd harmonics of a power line frequency are removed |
| 07/04/1990 | EP0376635A2 Transient electromagnetic method for detecting irregularities on conductive containers |
| 06/26/1990 | CA1270919A1 Method for detecting corrosion on conductive containers having variations in jacket thickness |
| 06/26/1990 | CA1270918A1 Method for detecting corrosion on conductive containers |
| 06/19/1990 | US4935195 Corrosion-erosion trend monitoring and diagnostic system |
| 06/05/1990 | US4931655 Apparatus for accelerated weather-testing of a sample using a metal halide lamp |
| 05/31/1990 | DE3908466C1 Method of determining the chemical stability of aluminium foils |
| 05/29/1990 | US4929898 Transient electromagnetic method for detecting irregularities on conductive containers |
| 05/29/1990 | CA1269613A1 Downhole corrosion coupon holder |
| 05/22/1990 | US4927503 Electrical current flow |
| 05/15/1990 | US4924708 Method for calculating crack lengths of conductive sensors |
| 05/08/1990 | US4922748 Method for monitoring thinning of pipe walls and piping component for use therewith |
| 05/03/1990 | WO1990004779A1 Metal corrosion detection |
| 04/25/1990 | EP0364841A1 Corrosion measurement cell |
| 04/17/1990 | US4917966 Galvanic protection of steel with zinc alloys |
| 04/11/1990 | EP0362203A1 Dynamic precious metal assay device |
| 04/10/1990 | US4916317 Method and a device for detecting changes in a surface state and for monitoring the surface state |
| 04/10/1990 | US4916076 Aqueous lioh solution; determing the ratio fo hydrogen weight gain to oxygen weight |
| 04/10/1990 | US4915910 Corrosion monitoring apparatus |
| 03/27/1990 | US4912365 Automatic carbon-replacing weather resistance testing apparatus |
| 03/27/1990 | US4910999 Method and apparatus for conducting fouling tests |
| 03/27/1990 | US4910997 Fluctuating stress generating apparatus and method |
| 03/21/1990 | EP0358994A1 Corrosion-erosion trend monitoring and diagnostic system |
| 03/20/1990 | US4909091 Method and apparatus for the detection of corrosion or the like |
| 03/13/1990 | US4907457 Method of evaluating residual life of heat-resistant steel |
| 03/07/1990 | CN1007088B Sensing probe holder system |
| 02/20/1990 | US4902625 Rapid corrosion test for zirconium and zirconium alloy weldments |
| 02/07/1990 | EP0354096A1 Method for the diagnosis of steel corrosion in concrete |
| 01/31/1990 | EP0353147A1 Method and apparatus to determine the rate of corrosion of a buried or immersed continuous metallic structure |
| 01/10/1990 | EP0350475A2 Method and apparatus for determining the state of corrosion of a buried object |
| 12/28/1989 | WO1989012813A1 Method to predict relative hydriding within a group of zirconium alloys under nuclear irradiation |
| 12/06/1989 | EP0345003A2 Tests for weather resistance |
| 12/05/1989 | US4884434 Wear sensor |
| 11/23/1989 | EP0342934A2 Corrosion product monitoring method and system |
| 11/14/1989 | US4881037 Apparatus and method for measuring the interfacial impedance in an electrochemical cell |
| 11/14/1989 | US4880988 Light and weathering testing apparatus |
| 10/25/1989 | CN1036634A Method and apparatus for measuring wall erosion |
| 10/17/1989 | US4874952 Device for accelerated photo-aging of materials containing polymers |
| 10/11/1989 | CN1036264A A corrosion method for testing the stress-resistance of connecting legs of semiconductor devices |
| 10/10/1989 | US4872345 Measuring wall erosion |
| 10/04/1989 | EP0335470A2 Method and apparatus for measuring wall erosion |
| 10/03/1989 | USH682 Erosion rate determinator: rocket nozzle |
| 09/26/1989 | US4869874 Computerized |
| 09/21/1989 | DE3808322C1 Method for testing the external corrosion protection of single-pipe lines which are laid in the ground and consist of ductile cast iron, and application of said method |
| 09/20/1989 | EP0333424A2 Suntanning gauge |
| 09/05/1989 | US4863572 Dielectrics, electrical resistance |
| 09/05/1989 | US4863571 Method of testing for corrosion |
| 08/30/1989 | EP0330549A1 Apparatus for continuously and electrochemically measuring the rate of corrosion in a fluid |
| 08/30/1989 | EP0330144A2 Process for the direct determination of complex corrosive environmental conditions |
| 08/29/1989 | US4861453 Corrosion detecting probe for steel buried in concrete |
| 08/24/1989 | WO1989007755A1 Method and system for measuring the corrosion properties of specimens |
| 08/23/1989 | EP0199717B1 Electrode system for the measurement of corrosion rate |
| 08/09/1989 | EP0327386A1 Apparatus for microbiological monitoring |
| 08/08/1989 | US4855668 Flexible probe and sampling device for corrosion measuring |
| 08/08/1989 | US4854726 Thermal stress screening system |
| 08/02/1989 | EP0325586A1 Fluctuating stress generating apparatus and method. |
| 08/01/1989 | US4853638 Water quality control method, and method and apparatus for measuring electrical conductivity used in the water quality control |
| 07/26/1989 | EP0177547B1 Method and device for measuring the corrosivity of liquids |
| 07/11/1989 | US4847790 Pressure-controlling apparatus employed in pre-chamber of environmental testing chamber for self-propelled vehicle |
| 07/11/1989 | CA1257359A1 Device for detecting the wear of fluid injection brickwork into molten metals |
| 07/04/1989 | US4843893 Weathering testing system |
| 06/27/1989 | US4843320 Transient electromagnetic method for detecting corrosion on conductive containers |
| 06/27/1989 | US4843319 Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness |
| 06/21/1989 | EP0321112A1 Method for detecting corrosion on conductive containers |
| 06/21/1989 | EP0321111A1 Method for detecting corrosion on conductive containers having variations in jacket thickness |
| 06/21/1989 | EP0321110A1 Method for directly detecting corrosion on conductive containers |
| 06/20/1989 | US4840719 Using surfactant to render dielectric surface electroconductive |
| 06/14/1989 | EP0320209A2 Weathering testing system |
| 06/13/1989 | US4839767 Element and device for detecting internal faults in an insulating gas charged electrical apparatus |
| 06/13/1989 | US4839593 Transient electromagnetic method for directly detecting corrosion on conductive containers |