Rolf Ackermann
6Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Jun 3, 1976 → Jun 17, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4420269A | Device for lifting the printing head off the platen | Performing Operations; Transporting | 28 | Expired |
| US4710044A | Ribbon cassette with end of ribbon detector | Performing Operations; Transporting | 11 | Expired |
| US4117238A | Process for the trans-esterification of acrylic and methacrylic esters | Chemistry; Metallurgy | 7 | Expired |
| US4228084A | Process for the production of glycidyl methacrylate | Chemistry; Metallurgy | 6 | Expired |
| US4042525A | Iodophor solution containing glycide polymer | Chemistry; Metallurgy | 2 | Expired |
| US8544886B2 | Electrical power-assisted steering | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.