FZ

Friedrich Zapf

HG Hydraulik-Ring Gmbh: 9 patents #7 of 83Top 9%
CU Cummins: 4 patents #261 of 1,560Top 20%
CS Cummins Emission Solutions: 4 patents #76 of 448Top 20%
HG Hilite Germany Gmbh: 1 patents #33 of 59Top 60%
Overall (All Time): #233,348 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12060822 Dosing module for use in aftertreatment systems for internal combustion engines Ralf Rohrmueller, Thomas Kreser, Christian Geiss, Jonas Hofmann, Jakob Stang +1 more 2024-08-13
11465082 Filtration assembly for use in aftertreatment systems for internal combustion engines Julian Nicolas Aljoscha Raupp, Ralf Rohrmueller, Andreas Lannig, Thomas Betz, Kay Schmidt 2022-10-11
11143077 System and method for varying reductant delivery pressure to aftertreatment systems Stephen M. Holl, John D. Crofts 2021-10-12
10301996 System and method for varying reductant delivery pressure to aftertreatment systems Stephen M. Holl, John D. Crofts 2019-05-28
8959895 Exhaust-gas aftertreatment device Heico Stegmann, Andreas Lannig, Klaus Lang, Christian Schmidt, Alexandre Branco 2015-02-24
8938949 SCR exhaust gas aftertreatment device Alexandre Branco, Heico Stegmann 2015-01-27
8875491 Exhaust gas aftertreatment system and method Thorsten Pelz, Heico Stegmann 2014-11-04
8875502 SCR exhaust gas aftertreatment device Tobias Fuchs, Andreas Lannig, Ralf Rohrmueller, Sebastian Weidner 2014-11-04
8266892 Calibrated dosing unit, especially of an exhaust gas treatment unit Thorsten Pelz, Heico Stegmann 2012-09-18
8201393 Exhaust-gas aftertreatment device Heico Stegmann, Andreas Lannig, Klaus Lang, Christian Schmidt, Alexandre Branco 2012-06-19
7089962 Compensation device for compensating volumetric expansion of media, especially of a urea-water solution during freezing Matthias Bleeck 2006-08-15
7013877 Pressure control valve, especially for high pressure diesel pumps of injection devices of motor vehicles Alfred Trzmiel, Rolf Neuhaus 2006-03-21
6910465 Throttle valve especially for high-pressure diesel pumps of injection devices of motor vehicles Alfred Trzmiel, Rolf Neuhaus 2005-06-28
6833779 Proportional solenoid valve, preferably proportional throttle valve, especially for high pressure diesel pumps of motor vehicles Alfred Trzmiel, Rolf Neuhaus 2004-12-21
6814103 Solenoid valve, in particular, a pressure control valve Rolf Neuhaus, Bernd Urlaub 2004-11-09
6578606 Solenoid valve, in particular, a pressure control valve Rolf Neuhaus, Bernd Urlaub 2003-06-17
6397891 Hydraulic valve, in particular, adjustable pressure control valve Rolf Neuhaus, Bernd Urlaub, Liebhart Zaiser 2002-06-04
6390117 Directional seat valve 2002-05-21
6336470 Directional seat valve 2002-01-08