Inventor · disambiguated record
Christoph Spengel
Also filed as: SPENGEL CHRISTOPH
4 granted patents·29 citations·filing 1992–2013
73Inventor score
Top patents by PatentIndex Score
4 records- 0153US9488090B2Cylinder block arrangement with an exhaust gas systemDAIMLER AG·Filed 2013·Granted Nov 8, 2016·2 cites·22 claims
- 0246US5207197ACylinder head for a multi-cylinder internal combustion engineDAIMLER BENZ AG·Filed 1992·Granted May 4, 1993·13 cites·1 claims
- 0342US5964196ACylinder head for a multi-cylinder internal combustion engineDAIMLER CHRYSLER AG·Filed 1997·Granted Oct 12, 1999·11 cites·5 claims
- 0429US5743223ABucket tappet guideDAIMLER BENZ AG·Filed 1997·Granted Apr 28, 1998·3 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →