Dirk Hoffmann
18Patents
4h-index
16Co-inventors
57Inventor score
Filing activity: Jun 25, 1996 → Apr 27, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9033308B2 | Control device with improved stem connector and display | Emerging Cross-Sectional Technologies | 12 | Active |
| US5854535A | Metal halide discharge lamp with a quartz discharge vessel and an outer UV radiation absorbent envelope | Electricity | 9 | Expired |
| US9561143B2 | Power driven vehicle having a take-apart frame | Performing Operations; Transporting | 7 | Active |
| US7926754B2 | Safety systems for roller mills | Performing Operations; Transporting | 5 | Active |
| US7661385B2 | Device for spin-coating substrates | Electricity | 2 | Active |
| US8172168B2 | Roller grinding mill | Performing Operations; Transporting | 2 | Active |
| US10697401B2 | Propulsion system, and method for operating a propulsion system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10495032B2 | Ship propulsion system, and method for operating a ship propulsion system | Emerging Cross-Sectional Technologies | 1 | Active |
| US11007533B2 | Material-bed roller mill | Performing Operations; Transporting | 1 | Active |
| US11098660B2 | Drive system and method for operating a drive system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11255258B2 | Internal combustion engine having adjustable linking of its engine units | Emerging Cross-Sectional Technologies | 0 | Active |
| US11098587B2 | Rotary piston engine and method for operating a rotary piston engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10323582B2 | Vehicle drive system, and method for operating a vehicle drive system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10245591B2 | Bearing element suitable for supporting a grinding table in a roller mill | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11015520B2 | Ship drive system and retrofitting method for a ship drive system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11466613B2 | Ship drive system and retrofitting method for a ship drive system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9157440B2 | Method and system for controlling a process fluid stream and positioner | Emerging Cross-Sectional Technologies | 0 | Active |
| US10458238B2 | Rotary piston engine and method for operating a rotary piston engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.