Bernfried Hesselmann
5Patents
2h-index
13Co-inventors
44Inventor score
Filing activity: May 14, 2004 → Feb 12, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7334784B2 | Corrugated spring with gradual progressive spring characteristic | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7192015B2 | Plate spring with improved settlement behavior | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10059163B2 | Leaf spring and leaf spring assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9003850B2 | Boundary layer improvement of plate springs or undulating springs | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7793857B2 | Fixing means for fixing railway lines to sleepers or stretches of track | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.