Inventor · disambiguated record
Margrit Dannenfeldt
Also filed as: DANNENFELDT MARGRIT
3 granted patents·3 pending applications·0 citations·filing 2016–2022
40Inventor score
Files withFED MOGUL NURNBERG GMBH6
Top patents by PatentIndex Score
6 records- 0163US12292012B2Oxidation protection layer for engine pistons made of steel or an iron-based alloyFED MOGUL NURNBERG GMBH·Filed 2022·Granted May 6, 2025·0 cites·12 claims
- 0246US11136526B2Anti-friction lubricant for coating engine pistonsFED MOGUL NURNBERG GMBH·Filed 2017·Granted Oct 5, 2021·0 cites·8 claims
- 0343US2020072159A1Thermally insulating coating for an aluminum pistonFED MOGUL NURNBERG GMBH·Filed 2018·Application pending·0 cites
- 0442US12037960B2Piston and method for producing sameFED MOGUL NURNBERG GMBH·Filed 2020·Granted Jul 16, 2024·0 cites·11 claims
- 0540US2020102656A1Steel piston having a phosphate layerFED MOGUL NURNBERG GMBH·Filed 2018·Application pending·0 cites
- 0634US2018274479A1Protective layer preventing oxidation of the piston of an internal combustion engineFED MOGUL NURNBERG GMBH·Filed 2016·Application pending·0 cites
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