HK

Helmut Knapwost

VI Varco I/P: 2 patents #61 of 168Top 40%
Overall (All Time): #1,597,641 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6931748 Riser and tubular inspection systems Clive Lam, Manfred Worms, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Janssen 2005-08-23
6862099 Tubular ovality testing Clive Lam, Manfred Worms, Bernd Helmut Dobberstein 2005-03-01
5442287 Method and apparatus for detecting magnetic discontinuities by inducing a magnetic field in a magnetizable sample Reinhold Kammann, Manfred Worms, Helgo Deeg 1995-08-15