Inventor
HUESCHELRATH GERHARD
DE17 patents
Patents
17 patentsUS4821204AApr 11, 1989
Method and device for testing for flaws with the eddy-current principle
NUKEM GMBH40 citations92
US4727321AFeb 23, 1988
Method and device for magnetic and ultrasonic testing of ferro-magnetic objects
NUKEM GMBH37 citations92
US4628261ADec 9, 1986
Method and apparatus for separating magnetic field attributable to flaws in a material from magnetic fields attributable to other phenomena
NUKEM GMBH28 citations88
US4538108AAug 27, 1985
Testing arrangement for ferromagnetic bodies including magnetic field detectors extending between two pairs of poles of magnetic field generators spaced longitudinally along the body
NUKEM GMBH41 citations86
US4665752AMay 19, 1987
Electrodynamic transducer
NUKEM GMBH20 citations80
US5140860AAug 25, 1992
Electrodynamic transducer head
NUKEM GMBH12 citations73
US4763070AAug 9, 1988
Method and apparatus to compensate for lateral changes of a ferromagnetic body during magnetic testing
NUKEM GMBH14 citations73
US4750134AJun 7, 1988
Device for the non-destructive testing of ferromagnetic bodies and a process for producing values for adjusting the device into an initial state for testing determined by the respective test samples
NUKEM GMBH8 citations73
US4692702ASep 8, 1987
Device with two generators for measuring the gradients of magnetic fields
NUKEM GMBH15 citations73
US4689996ASep 1, 1987
Method and device for testing electrically conducting objects by means of ultra-sonics
NUKEM GMBH17 citations73
US4665751AMay 19, 1987
Method for measuring the wall thicknesses of bodies by means of ultrasonic pulses and devices for applying the method
NUKEM GMBH12 citations73
US4564809AJan 14, 1986
Eddy current test method with degree of amplification selected in accordance with a compensation signal
NUKEM GMBH8 citations70
US4480477ANov 6, 1984
Electrodynamic instrument transformer head
NUKEM GMBH7 citations69
US4596147AJun 24, 1986
Electrodynamic transducer head
NUKEM GMBH12 citations67
US4792755ADec 20, 1988
Process and apparatus for the non-destructive examination of ferromagnetic bodies having sections of surface adjoining each other along edges and/or at corners
NUKEM GMBH16 citations66
US4924181AMay 8, 1990
Device having electromagnet for providing a magnetic field inclined with respect to the transportation direction of a ferromagnetic body for non-destructive, magnetic testing of the body
NUKEM GMBH6 citations62
US4452086AJun 5, 1984
Electrodynamic ultrasonic transformer
NUKEM GMBH3 citations58