DH

Dirk Hoffmann

FG Fuelsave Gmbh: 9 patents #1 of 1Top 100%
GA Gebr. Pfeiffer Ag: 2 patents #2 of 7Top 30%
SA Samson Aktiengesellschaft: 2 patents #28 of 89Top 35%
IS Invacare International Sarl: 1 patents #16 of 35Top 50%
KA Ksb Aktiengesellschaft: 1 patents #78 of 197Top 40%
Overall (All Time): #252,425 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11466613 Ship drive system and retrofitting method for a ship drive system 2022-10-11
11255258 Internal combustion engine having adjustable linking of its engine units 2022-02-22
11098587 Rotary piston engine and method for operating a rotary piston engine 2021-08-24
11098660 Drive system and method for operating a drive system 2021-08-24
11015520 Ship drive system and retrofitting method for a ship drive system 2021-05-25
11007533 Material-bed roller mill Ralf Frankenberger, Karl-Heinz Schütte, Hardy Lessmeister, Lukas Schmitt 2021-05-18
10697401 Propulsion system, and method for operating a propulsion system 2020-06-30
10495032 Ship propulsion system, and method for operating a ship propulsion system 2019-12-03
10458238 Rotary piston engine and method for operating a rotary piston engine 2019-10-29
10323582 Vehicle drive system, and method for operating a vehicle drive system 2019-06-18
10245591 Bearing element suitable for supporting a grinding table in a roller mill Ralf Frankenberger, Karl-Heinz Schütte 2019-04-02
9561143 Power driven vehicle having a take-apart frame 2017-02-07
9157440 Method and system for controlling a process fluid stream and positioner Joerg Kiesbauer, Domagoj Vnucec, Thomas Paulus, Manfred Oesterle 2015-10-13
9033308 Control device with improved stem connector and display Joerg Kiesbauer, Holger Eckholz, Eugen Nebel 2015-05-19
8172168 Roller grinding mill Otto Jung, Karl-Heinz Schuette, Hardy Lessmeister, Thomas Hoster 2012-05-08
7926754 Safety systems for roller mills Otto Jung, Karl-Heinz Schuette 2011-04-19
7661385 Device for spin-coating substrates 2010-02-16
5854535 Metal halide discharge lamp with a quartz discharge vessel and an outer UV radiation absorbent envelope Andreas Hohlfeld, Akihiro Kanda, Katsuya Otani 1998-12-29