Inventor · disambiguated record
Frederick G. Wietig
Also filed as: WIETIG FREDERICK G
3 granted patents·72 citations·filing 1992–2006
74Inventor score
Top patents by PatentIndex Score
3 records- 0184US8033550B2Piston ring having hard multi-layer coatingSULZER METAPLAS GMBH·Filed 2006·Granted Oct 11, 2011·13 cites·12 claims
- 0270US5441024AEngine valveVAL KRO INC·Filed 1994·Granted Aug 15, 1995·31 cites·20 claims
- 0367US5190002AEngine valveVAL KRO INC·Filed 1992·Granted Mar 2, 1993·28 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →