Inventor
KWUN HEGEON
US45 patents
⚠️ This page may combine multiple inventors who share the name “KWUN HEGEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOUTHWEST RES INST
36 patentsUS5767766AJun 16, 1998
Apparatus and method for monitoring vehicular impacts using magnetostrictive sensors
SOUTHWEST RES INST162 citations99
US5581037ADec 3, 1996
Nondestructive evaluation of pipes and tubes using magnetostrictive sensors
SOUTHWEST RES INST205 citations98
US6624628B1Sep 23, 2003
Method and apparatus generating and detecting torsional waves for long range inspection of pipes and tubes
SOUTHWEST RES INST89 citations97
US6201391B1Mar 13, 2001
Nonlinear harmonics method and system for measuring degradation in protective coatings
SOUTHWEST RES INST60 citations96
US4979125ADec 18, 1990
Non-destructive evaluation of ropes by using transverse impulse vibrational wave method
SOUTHWEST RES INST64 citations96
US6396262B2May 28, 2002
Method and apparatus for short term inspection or long term structural health monitoring
SOUTHWEST RES INST119 citations95
US6000288ADec 14, 1999
Determining average wall thickness and wall-thickness variation of a liquid-carrying pipe
SOUTHWEST RES INST77 citations95
US5457994AOct 17, 1995
Nondestructive evaluation of non-ferromagnetic materials using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions
SOUTHWEST RES INST77 citations95
US5456113AOct 10, 1995
Nondestructive evaluation of ferromagnetic cables and ropes using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions
SOUTHWEST RES INST103 citations95
US5970434AOct 19, 1999
Method for determining average wall thickness for pipes and tubes using guided waves
SOUTHWEST RES INST79 citations94
US5821430AOct 13, 1998
Method and apparatus for conducting in-situ nondestructive tensile load measurements in cables and ropes
SOUTHWEST RES INST65 citations94
US7131339B2Nov 7, 2006
Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors
SOUTHWEST RES INST34 citations93
US6925881B1Aug 9, 2005
Time shift data analysis for long-range guided wave inspection
SOUTHWEST RES INST26 citations93
US6373245B1Apr 16, 2002
Method for inspecting electric resistance welds using magnetostrictive sensors
SOUTHWEST RES INST42 citations93
US6294912B1Sep 25, 2001
Method and apparatus for nondestructive inspection of plate type ferromagnetic structures using magnetostrictive techniques
SOUTHWEST RES INST44 citations93
US6134947AOct 24, 2000
Load sensor for measuring engine cylinder pressure and seat occupant weight
SOUTHWEST RES INST28 citations93
US6968727B2Nov 29, 2005
Calibration method and device for long range guided wave inspection of piping
SOUTHWEST RES INST51 citations92
US6429650B1Aug 6, 2002
Method and apparatus generating and detecting torsional wave inspection of pipes or tubes
SOUTHWEST RES INST49 citations92
US6424150B2Jul 23, 2002
Magnetostrictive sensor rail inspection system
SOUTHWEST RES INST34 citations92
US6917196B2Jul 12, 2005
Method and apparatus generating and detecting torsional wave inspection of pipes or tubes
SOUTHWEST RES INST42 citations91
US6205859B1Mar 27, 2001
Method for improving defect detectability with magnetostrictive sensors for piping inspection
SOUTHWEST RES INST25 citations91
US5180969AJan 19, 1993
Detection of reinforcing steel corrosion in concrete structures using non-linear harmonic and intermodulation wave generation
SOUTHWEST RES INST52 citations91
US7474092B1Jan 6, 2009
Method and device for long-range guided-wave inspection of fire side of waterwall tubes in boilers
SOUTHWEST RES INST22 citations90
US6779409B1Aug 24, 2004
Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors
SOUTHWEST RES INST30 citations90
US6212944B1Apr 10, 2001
Apparatus and method for monitoring engine conditions, using magnetostrictive sensors
SOUTHWEST RES INST38 citations88
US7565252B2Jul 21, 2009
Method for automatic differentiation of weld signals from defect signals in long-range guided-wave inspection using phase comparison
SOUTHWEST RES INST8 citations84
USRE40515ESep 23, 2008
Method and apparatus for inspecting pipelines from an in-line inspection vehicle using magnetostrictive probes
SOUTHWEST RES INST9 citations84
US7634392B2Dec 15, 2009
Simulation of guided wave reflection signals representing defects in conduits
SOUTHWEST RES INST16 citations83
US7019520B2Mar 28, 2006
Method and system for torsional wave inspection of heat exchanger tubes
SOUTHWEST RES INST14 citations83
US7852073B2Dec 14, 2010
Method and device for long-range torsional guided-wave inspection of piping with a partial excitation and detection around the pipe circumference
SOUTHWEST RES INST10 citations82
US7913562B2Mar 29, 2011
Flexible plate magnetostrictive sensor probe for guided-wave inspection of structures
SOUTHWEST RES INST11 citations81
US4497209AFeb 5, 1985
Nondestructive testing of stress in a ferromagnetic structural material utilizing magnetically induced velocity change measurements
SOUTHWEST RES INST18 citations73
US6295677B1Oct 2, 2001
Method for inspecting liquid filled pipes using magnetostrictive sensors
SOUTHWEST RES INST11 citations72
US9170239B2Oct 27, 2015
Magnetostrictive sensor having crimped magnetostrictive strip for high temperature operation
SOUTHWEST RES INST1 citations51
US7610791B2Nov 3, 2009
Time-gain control method and system for long-range guided-wave inspection and monitoring
SOUTHWEST RES INST0 citations51
US9465011B2Oct 11, 2016
Flexible magnetostrictive probe having sensor elements without permanent magnets
SOUTHWEST RES INST0 citations34