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Class Information
Number: 976/DIG.214
Name: Nuclear technology > Monitoring; testing; maintaining [g21c-17/00] > Inspection or maintenance of pipe-lines or tubes in nuclear installations [g21c-17/00f]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5767410 Lamb wave ultrasonic probe for crack detection and measurement in thin-walled tubing Jun. 16, 1998
4925622 Treadable insulation system with lagging support May. 15, 1990
4925621 Pressure tube sampling May. 15, 1990
4919223 Apparatus for remotely controlled movement through tubular conduit Apr. 24, 1990
4881409 Multi-point wall thickness gage Nov. 21, 1989
4856354 Inspection probe manipulator Aug. 15, 1989
4843896 Probe for internal bore inspection Jul. 4, 1989
4770053 Automatic indexer assembly Sep. 13, 1988
4770105 Piping travelling apparatus Sep. 13, 1988
4752127 Optical tube inspection apparatus Jun. 21, 1988
4744251 Apparatus for examining tubular members disposed in axially parallel relationship May. 17, 1988
4704577 Eddy currents probe for measuring a gap between a tube and an antivibration bar Nov. 3, 1987
4703264 Self-orienting conduit probe Oct. 27, 1987
4672852 Test manipulator externally applicable to a pipe Jun. 16, 1987
4654702 Portable and collapsible pipe crawler Mar. 31, 1987
4638667 Remote probe positioning apparatus Jan. 27, 1987
4593568 Ultrasonic inspection of tube to tube plate welds Jun. 10, 1986
4581938 Tool for scanning the inner surface of a large pipe Apr. 15, 1986
4575185 System for a fiber optic cable for remote inspection of internal structure of a nuclear steam generator Mar. 11, 1986
4548785 Stub tube inspection device Oct. 22, 1985
4531663 Guide apparatus Jul. 30, 1985
4523470 Probe for the nondestructive testing of cylindrical cavities, especially of steam generator tubes Jun. 18, 1985
4481814 Stud inspection system Nov. 13, 1984
4460920 Automatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installations Jul. 17, 1984
4416846 Nuclear power plant with cooling circuit Nov. 22, 1983
4392214 Sound-monitoring device for an industrial installation Jul. 5, 1983
4389894 Cylindrical guide rail for detector Jun. 28, 1983
4352065 Nondestructive electromagnetic inspection of pipelines incorporated in an electrically closed loop Sep. 28, 1982
4304134 Apparatus for ultrasonically inspecting circular bores Dec. 8, 1981
4255972 Device for the inspection of welds Mar. 17, 1981
4244296 Self-propelled vehicle Jan. 13, 1981
4153875 Eddy-current testing device for metal tubes which are bent at least locally May. 8, 1979
4131018 Elbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installation Dec. 26, 1978
4117733 Test system carrier for ultrasonic testing of nozzle seams, pipe connection seams and nozzle corners in pressure vessels, particularly reactor pressure vessels of nuclear power plants Oct. 3, 1978
4050384 Tube inspection and servicing apparatus Sep. 27, 1977
3994173 Remote orientation of a probe in a tubular conduit Nov. 30, 1976
3934457 Vessel nozzle inspection apparatus Jan. 27, 1976











 
 
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