Inventor · disambiguated record
Philipp A Seyfried
Also filed as: SEYFRIED PHILIPP A
2 granted patents·1 citations·filing 2016–2022
30Inventor score
Top patents by PatentIndex Score
2 records- 0166US9903334B2Low speed pre-ignition knock detectionATTARD WILLIAM P·Filed 2016·Granted Feb 27, 2018·1 cites·16 claims
- 0242US11629625B1Systems and methods of engine exhaust air injection before and after catalytic convertersGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Apr 18, 2023·0 cites·16 claims
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