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Duisburg, Germany

Friedhelm Schlawne

USPTO Granted Patents = 5

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 63(Granted Patents)

Location History:

Kerpen-Sindorf, DE (1989)
Kerpen, DE (1988 - 1991)
Duisburg, DE (1997 - 2005)

Company Filing History:

Mannesmann Aktiengesellschaft

Mannesmannröhren

Years Active: 1988-2005

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6843131 - Method of detecting discontinuities on elongated workpieces (2005-01-18),

2. 5679898 - Process and device for detecting flaws on stretched workpieces, (1997-10-21),

3. 5050703 - Electrodynamic transducer head (1991-09-24),

4. 4817431 - Defect detection in cylindrical objects (1989-04-04),

5. 4732040 - Electrodynamically producing ultrasonic waves (1988-03-22),

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