Patents
Patents for G01N 17 - Investigating resistance of materials to the weather, to corrosion, or to light (6,567)
08/1992
08/27/1992DE4105440A1 Climatic tester for electronic components and modules - uses at least two thermostatically controlled humidity chambers contg. saturated salt solns. at characteristic relative moistness levels
08/20/1992DE4210585A1 Evaluating weathering properties of hardened paint films - by comparing UV transmission spectrum of film with emission spectrum of light source causing weathering damage to film
08/19/1992EP0499217A2 A method and a device for quantitative electrochemical in situ measurements in water at high temperature
08/18/1992US5139627 Comparison of electrochemical potential noise to the electrochemical current noise to provide a resistive noise which is inversely proportional to the corrosion current
08/18/1992US5138892 Accelerated light fastness test method
08/11/1992US5136886 Accelerated weathering and lightfastness testing chamber
08/05/1992EP0271530B1 Thermal stress screening system
08/04/1992US5134879 Test method and apparatus
07/1992
07/28/1992US5134368 Apparatus for magnetically detecting degradation of metal material using superconductor sensor system and reference material data comparison
07/22/1992EP0302073B1 Corrosion monitoring
07/08/1992EP0494012A1 Method and device for checking the electrically insulating state of an electrically conducting construction
07/08/1992EP0494011A1 Method and apparatus for analyzing the state of protection against corrosion of a work protected by cathodic protection
07/08/1992EP0494000A1 Installation for general corrosion testing at high temperature
07/07/1992US5127433 Coolant corrosiveness indicator
07/01/1992EP0492867A2 Electrode probe
07/01/1992CA2058463A1 Method and apparatus for analyzing the state of protection against corrosion of a work under cathodic protection
07/01/1992CA2057935A1 High temperature generalized corrosion test installation
06/1992
06/30/1992US5126654 Non-invasive, high resolution detection of electrical currents and electrochemical impedances at spaced localities along a pipeline
06/28/1992CA2058473A1 Method and apparatus for checking the state of electrical insulation of an electrically conducting work
06/17/1992EP0490163A1 Sensor and method for monitoring corrosion on a member in a nuclear reactor core
06/17/1992DE4040190A1 Verfahren zur laufzeitmessung von ultraschall bei der impuls-reflexionsmethode Method for measurement of ultrasonic term in the pulse-reflection method
06/16/1992WO1992010746A1 Process for measuring ultra-sound propagation time during the pulse reflection method
06/16/1992US5122330 Sensor for monitoring corrosion on a member in a nuclear reactor core
06/16/1992CA1303722C Method and apparatus for the detection of corrosion or the like
06/11/1992WO1992009723A1 Device for the assembly or disassembly of probes in process pipes, tanks, etc.
06/09/1992CA1303179C Process and apparatus for the monitoring of a surface and/for/changes thereof
05/1992
05/27/1992EP0487202A1 Accelerated weathering and lightfastness
05/20/1992EP0486057A2 Permanent reference electrode for monitoring the electrochemical potential of metal structures in concrete and soil
05/20/1992EP0485584A1 Process for inspectung coated metal surfaces
05/17/1992CA2054104A1 Permanent reference electrode for monitoring the electrochemical potential of metal structures in concrete and soil
05/05/1992US5110537 Nuclear reactors; detection of capacity change between opposed electrodes due to corrosion
05/05/1992CA1300075C Process and device for analyzing the corrosive effect of soil and its environment on an underground metal structure
04/1992
04/30/1992WO1992007246A1 Method for detection of corrosion attack in metal surfaces
04/28/1992CA1299390C Thermal stress screening system
04/21/1992US5106580 Probe insertion and retraction tool
04/09/1992DE4031150A1 Yarn guide wear measurement - uses short and abrupt changes in yarn draw tension to calculate component wear to prevent stoppages through guide failure
03/1992
03/31/1992US5100625 Apparatus for testing candidate rocket nozzle materials
03/24/1992CA1297945C Method for in situ corrosion detection using electrochemically active compounds
03/17/1992US5095977 Coupon holder for corrosion test downhole in a borehole
02/1992
02/20/1992DE4025549A1 Sacrificial anode and steel reinforcement short-circuit monitoring - using artificial short circuiter and detector for phase potential change with circuiter switched-on and switched=off
02/20/1992DE4025548A1 Monitoring potential between sacrificial anode and steel reinforcement - monitoring change in potential between reference electrode and either anode or steel when pulsed current is applied, avoiding short circuit
02/11/1992US5087873 Non-invasive, high resolution detection of electrical currents and electrochemical impedances at spaced localities along a pipeline
02/05/1992EP0469773A2 Iron (II) concentration monitoring for determining corrosion in boiler systems
02/05/1992EP0469772A2 Analysis of ferrous ion in circulating water
02/01/1992CA2047828A1 On-line analyzer for ferrous ion
01/1992
01/09/1992WO1992000400A1 Reference electrodes and electrode assemblies for protection of submarine structures
01/08/1992EP0465347A1 Method and apparatus for the evaluation of the corrosion resistance of a metallic structure, covered with a protective layer
01/08/1992EP0464377A2 Method for corrosion monitoring
12/1991
12/31/1991US5077486 Power supply for cathodic protection system
12/31/1991CA1293770C Device for in situ monitoring of corrosion rates of polarized or unpolarized metals
12/26/1991WO1991019972A1 Process and device for inspecting coated metal surfaces
12/24/1991US5075235 Process for direct determination of complex corrosive environmental conditions
12/19/1991DE4018993A1 Verfahren und einrichtung zur untersuchung beschichteter metalloberflaechen Method and device for the investigation of coated metal surfaces
12/03/1991US5069774 Surface mounting corrosion probe
12/03/1991CA1292773C Sensor for electrochemical measurement and method for diagnosing corrosion protective properties of metal surface coating by using the sensor
12/01/1991CA2043554A1 Method for monitoring for corrosion and a system for performing the method
11/1991
11/26/1991US5068196 Method for determining fluid corrosiveness
11/20/1991CN1056353A Method for determining solute in high-temperature water
11/19/1991CA2042883A1 Method for electrochemical measuring the corrosion rate of reinforcement in concrete structures, sensors and device for application of the method
11/09/1991WO1991017423A1 Method and apparatus for monitoring corrosion and reporting same according to accepted industry standards
10/1991
10/31/1991WO1991016614A1 Coolant corrosiveness indicator
10/30/1991EP0454581A1 Device for measuring the electrode potential of metallic reinforcement in immersed concrete
10/27/1991CA2041106A1 Device for measuring the electrode potential of underwater concrete reinforcement
10/22/1991US5059903 Method and apparatus utilizing a magnetic field for detecting degradation of metal material
10/16/1991EP0451609A2 Vapor phase photodegradation device
10/16/1991EP0451567A2 Method and apparatus for determining the level of corrosion of metal parts
09/1991
09/03/1991US5045775 Environmental corrosion monitor system incorporating deposited contaminants and corrosion products
09/03/1991US5044211 Method for determining the effects of oxygen plasma on a specimen
09/03/1991CA1288256C Portable assembly for testing fluids
08/1991
08/28/1991CN1013706B Method and apparatus for measuring wall erosion
08/21/1991EP0442205A2 Method for monitoring the effects of thermal and radiation exposure
08/20/1991US5041792 Stable in ground water brine
08/13/1991US5039612 Method for detecting surface oxidation on titanium aluminide metallic material
08/13/1991US5039228 Fixtureless environmental stress screening apparatus
08/08/1991DE4011785C1 Determining metal corrosion - by exposing metal part to confined atmos. of inert carrier gas, adding reactive gas for chemical reaction etc.
07/1991
07/30/1991US5036287 Procedure and device for corrosion determination
07/23/1991US5034190 Apparatus for conducting accelerated corrosion testing of nickel alloys
07/16/1991CA1286361C Element and device for detecting internal faults in an insulating gas charged electrical apparatus
07/03/1991EP0435761A1 Method and apparatus for determining interferences due to continuous currents flowing in neighbouring, buried metal structures
06/1991
06/28/1991CA2033218A1 Method and apparatus for determining interactions due to direct currents on adjacent buried metal structures
06/12/1991EP0325586B1 Fluctuating stress generating apparatus and method
05/1991
05/14/1991US5015355 Corrosion measuring cell
05/02/1991EP0424441A1 Method to predict relative hydriding within a group of zirconium alloys under nuclear irradiation
04/1991
04/24/1991EP0362203A4 Dynamic precious metal assay device
04/09/1991US5006786 Device for in situ monitoring of corrosion rates of polarized or unpolarized metals
04/03/1991EP0420692A2 Nonlinear optical crystal damage measuring method and damage recovering apparatus
03/1991
03/20/1991EP0417571A1 System and electrode for "in situ" monitoring the quality of high temperature water in power plants
03/19/1991CA1281680C Electrolytic cell with electrode material in a non-conducting pipe
03/05/1991US4997574 Staged boundary layer treatment method and system for biofouling control
02/1991
02/28/1991DE3928130A1 Weathering test for concrete or stone - by measuring combined effect of alternating dew and frost and watery soln. by determination of material loss after capillary action
02/26/1991US4995273 Method of an apparatus for weather resistance test
02/19/1991US4994159 Method and apparatus for measuring corrosion beneath thin films
02/06/1991CN1011545B Measuring method of differential polarization resistance and measuring apparatus
02/05/1991US4990851 Transient electromagnetic method for detecting irregularities on conductive containers
01/1991
01/29/1991US4989157 Automated chemical milling controller
01/22/1991US4987037 Protecting non-stainless steels against corrosion
01/15/1991US4985622 Method for determining the corrosion resistance of deep-drawable iron sheets for body parts of motor vehicles and apparatus for performing the method
01/08/1991US4983526 Method of measuring and controlling ozone concentration
12/1990
12/19/1990EP0403281A2 Method of and apparatus for performing a weather resistance test
12/18/1990US4978921 Electrode probe for use in aqueous environments of high temperature and high radiation
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