Inventor · disambiguated record
Klaus Wittel
Also filed as: WITTEL KLAUS · WITTEL KLAUS WERNER
6 granted patents·55 citations·filing 1991–2001
82Inventor score
Top patents by PatentIndex Score
6 records- 0174US6773516B2Process and solution for providing a conversion coating on a metallic surface ICOMMW SCIENT IND RES ORG·Filed 2001·Granted Aug 10, 2004·15 cites·23 claims
- 0268US6755917B2Process and solution for providing a conversion coating on a metallic surface IICOMMW SCIENT IND RES ORG·Filed 2001·Granted Jun 29, 2004·10 cites·24 claims
- 0350US5152849APhosphating processMETALLGESELLSCHAFT AG·Filed 1991·Granted Oct 6, 1992·13 cites·28 claims
- 0444US5352296AProcess for cleaning metal surfacesMETALLGESELLSCHAFT AG·Filed 1992·Granted Oct 4, 1994·8 cites·8 claims
- 0541US5688340APreparation of metal surfaces for vitreous enamelingMETALLGESELLSCHAFT AG·Filed 1995·Granted Nov 18, 1997·7 cites·10 claims
- 0630US6153015AProcess for removing soap-contaminated conversion layers on metal workpiecesMETALLGESELLSCHAFT AG·Filed 1997·Granted Nov 28, 2000·2 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Klaus Wittel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →