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Dieter Kaiser
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Mulheim, DE
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last 30 patents
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Patent Grant
Test head for ultrasonic testing of structural material
Patent number
4,238,963
Issue date
Dec 16, 1980
Mannesmann Aktiengesellschaft
Karl Ries
G01 - MEASURING TESTING
Information
Patent Grant
Locating a welding seam
Patent number
4,206,511
Issue date
Jun 3, 1980
Mannesmann Aktiengesellschaft
Karl Ries
G01 - MEASURING TESTING
Information
Patent Grant
Recognizing ultrasonic response signals during testing of structura...
Patent number
4,170,143
Issue date
Oct 9, 1979
Mannesmann Aktiengesellschaft
Karl Ries
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic testing of seams
Patent number
4,131,026
Issue date
Dec 26, 1978
Mannesmannrohren-Werke AG
Karl Ries
G01 - MEASURING TESTING