RF

Rainer Friedfeldt

Ford: 6 patents #2,909 of 17,473Top 20%
📍 Gerstungen, DE: #8 of 65 inventorsTop 15%
Overall (All Time): #827,721 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10557387 Internal combustion engine comprising a valve train with valve springs and method for mounting such a valve spring Peter Borkenhagen, Ulrich Heiter 2020-02-11
10316741 Turbocharged combustion system Kai Sebastian Kuhlbach, Dirk Borrmann 2019-06-11
9822712 Four-cylinder engine with two deactivatable cylinders Carsten Weber, Martin Wirth, Guenter Bartsch 2017-11-21
9435254 Supercharged internal combustion engine, and method for operating an internal combustion engine of said type Kai Sebastian Kuhlbach, Norbert Andreas Schorn, Guenter Bartsch 2016-09-06
9394835 Four-cylinder in-line engine with partial shutdown and method for operating such a four-cylinder in-line engine Carsten Weber, Martin Wirth, Guenter Bartsch 2016-07-19
9068500 Boosted in-line variable-displacement engine Carsten Weber, Martin Wirth, Guenter Bartsch 2015-06-30