Inventor · disambiguated record
Achim Freitag
Also filed as: FREITAG ACHIM
3 granted patents·2 pending applications·25 citations·filing 2006–2011
68Inventor score
Top patents by PatentIndex Score
5 records- 0175US8091535B2Internal combustion engine with an exhaust-gas recirculation and method for operating an internal combustion engineNITZKE HANS-GEORG·Filed 2009·Granted Jan 10, 2012·14 cites·8 claims
- 0272US7520273B2Exhaust-gas recirculation device and method for operating an exhaust-gas recirculation deviceVOLKSWAGEN AG·Filed 2007·Granted Apr 21, 2009·8 cites·2 claims
- 0368US8555864B2Internal combustion engine with an exhaust-gas recirculation and method for operating an internal combustion engineNITZKE HANS-GEORG·Filed 2011·Granted Oct 15, 2013·3 cites·21 claims
- 0439US2008041038A1Catalytic Converter Configuration and Method for Desulfurizing a NOx Storage Catalytic ConverterVOLKSWAGEN AG·Filed 2007·Application pending·0 cites
- 0526US2008041041A1Method for Exhaust-Gas Treatment for Diesel Engines or the Like, and Apparatus for Implementing This MethodDUESTERDIEK THORSTEN·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Achim Freitag files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →