Inventor · disambiguated record
Ralf Widmann
Also filed as: WIDMANN RALF
3 granted patents·1 pending application·12 citations·filing 2000–2011
59Inventor score
Top patents by PatentIndex Score
4 records- 0150US6290456B1Ventilator with brush type blocking deviceLTG AG·Filed 2000·Granted Sep 18, 2001·11 cites·19 claims
- 0248US7256583B2Device and method for testing the seal tightness of a fuel tank system of a motor vehicleBAYERISCHE MOTOREN WERKE AG·Filed 2006·Granted Aug 14, 2007·1 cites·10 claims
- 0339US2008028732A1Air filter system and air cleaning methodLTG AG·Filed 2007·Application pending·0 cites
- 0438US8991156B2Method and storage container for determining a stored amount of ammonia for catalytic exhaust gas purificationWIDMANN RALF·Filed 2011·Granted Mar 31, 2015·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →