Inventor · disambiguated record
Klaus-Dieter Hellwig
Also filed as: HELLWIG KLAUS D · HELLWIG KLAUS-DIETER
4 granted patents·91 citations·filing 1984–2001
77Inventor score
Top patents by PatentIndex Score
4 records- 0186US6800267B2Doped precipitated silicaDEGUSSA·Filed 2001·Granted Oct 5, 2004·25 cites·18 claims
- 0277US4592589AInflatable-inflated cushion for seatHELLWIG KLAUS D·Filed 1985·Granted Jun 3, 1986·57 cites·1 claims
- 0359US6921781B2Process for covering silicas with waxDEGUSSA·Filed 2001·Granted Jul 26, 2005·7 cites·32 claims
- 0423US4536383AMethod for preparation of alkali metal selenatesDEGUSSA·Filed 1984·Granted Aug 20, 1985·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →