Inventor · disambiguated record
Alfred Graff
Also filed as: GRAFF ALFRED
10 granted patents·342 citations·filing 1989–2012
91Inventor score
Files withMANNESMANN AG4MANNESMANN ROEHREN WERKE AG2GRAFF ALFRED1KOKA ASHRAF1MANNESMANN FUCHS ROHR GMBH1
Top patents by PatentIndex Score
10 records- 0191US6931931B2Device for ultrasonic weld seam testing of longitudinally welded pipes for longitudinal and transversal errorsMANNESMANN ROEHREN WERKE AG·Filed 2002·Granted Aug 23, 2005·126 cites·13 claims
- 0289US6843131B2Method of detecting discontinuities on elongated workpiecesMANNESMANN ROEHREN WERKE AG·Filed 2003·Granted Jan 18, 2005·52 cites·6 claims
- 0384US8344725B2Device for nondestructive testing of pipesV&M DEUTSCHLAND GMBH·Filed 2010·Granted Jan 1, 2013·9 cites·6 claims
- 0476US5050703AElectrodynamic transducer headMANNESMANN AG·Filed 1989·Granted Sep 24, 1991·40 cites·28 claims
- 0575US8756999B2Ultrasonic probeGRAFF ALFRED·Filed 2010·Granted Jun 24, 2014·7 cites·11 claims
- 0675US5148414AElectrodynamic ultrasonic transducerMANNESMANN AG·Filed 1991·Granted Sep 15, 1992·35 cites·5 claims
- 0771US9322805B2Leakage flux probe for non-destructive leakage flux-testing of bodies consisting of magnetisable materialKOKA ASHRAF·Filed 2012·Granted Apr 26, 2016·6 cites·15 claims
- 0869US5164921AElectrodynamic permanent magnet transducerMANNESMANN AG·Filed 1991·Granted Nov 17, 1992·38 cites·17 claims
- 0963US7861591B2Device for the ultrasonic inspection of the weld seam of longitudinally welded pipes for defectsMANNESMANN FUCHS ROHR GMBH·Filed 2005·Granted Jan 4, 2011·6 cites·16 claims
- 1062US5421203AModifiable electrodynamic ultrasonic transducerMANNESMANN AG·Filed 1994·Granted Jun 6, 1995·23 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →