Peter Hilgraf
6Patents
3h-index
14Co-inventors
54Inventor score
Filing activity: Sep 30, 1982 → Jul 16, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7144204B2 | Pneumatic conveyor device and method | Performing Operations; Transporting | 35 | Expired |
| US4529337A | Distribution of particulate material | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US8348556B2 | Solids distributor for injection plants, blast furnaces and the like | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US8573895B2 | Unloading plant for low-lying storage bunkers | Performing Operations; Transporting | 3 | Active |
| US7886457B2 | Cooler for bulk material having a sealing device between adjoining conveying planks | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US4475849A | Device and method for the uniform distribution of a bulk materials stream | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.