Ralf Barkmann
6Patents
3h-index
19Co-inventors
46Inventor score
Filing activity: Jul 20, 2001 → May 26, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7584758B2 | Device for processing tobacco during the production of cigarettes | Human Necessities | 8 | Expired |
| US7954498B2 | Device for the creating of a homogeneous cut tobacco flow | Physics | 6 | Active |
| US9080686B2 | Valve, particularly glue valve | Electricity | 5 | Active |
| US8948898B2 | Method for operating a gluing system | Performing Operations; Transporting | 3 | Active |
| US6782890B2 | Apparatus for building tobacco rods in cigarette making machines | Human Necessities | 2 | Expired |
| US6634365B2 | Method of and apparatus for homogenizing streams of particulate fibrous material | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.