Inventor · disambiguated record
Helmut Knapwost
Also filed as: KNAPWOST HELMUT · KNAPWOST HELMUT WOLFGANG
3 granted patents·47 citations·filing 1994–2003
72Inventor score
Top patents by PatentIndex Score
3 records- 0172US6931748B2Riser and tubular inspection systemsVARCO INT·Filed 2003·Granted Aug 23, 2005·19 cites·31 claims
- 0263US6862099B2Tubular ovality testingVARCO I P·Filed 2002·Granted Mar 1, 2005·14 cites·40 claims
- 0339US5442287AMethod and apparatus for detecting magnetic discontinuities by inducing a magnetic field in a magnetizable sampleTUBOSCOPE VETCO DEUTSCHLAND GM·Filed 1994·Granted Aug 15, 1995·14 cites·19 claims
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