Inventor · disambiguated record
Herbert Twiefel
Also filed as: TWIEFEL HERBERT
2 granted patents·2 pending applications·23 citations·filing 2003–2009
58Inventor score
Top patents by PatentIndex Score
4 records- 0167US6974487B2Cooling air cleaning device for a harvesting machineCLAAS SELBSTFAHR ERNTEMASCH·Filed 2003·Granted Dec 13, 2005·20 cites·21 claims
- 0251US8068970B2Method of operation for an internal combustion engineHUGENROTH LUDGER·Filed 2009·Granted Nov 29, 2011·3 cites·10 claims
- 0338US2007176761A1Agricultural motor vehicleHUGENROTH LUDGER·Filed 2007·Application pending·0 cites
- 0433US2007191179A1Motor vehicleHUGENROTH LUDGER·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →