Heinz Erwin Grellmann
7Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Apr 29, 1985 → Jun 9, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4831222A | Integrated pad switch | Electricity | 7 | Expired |
| US4695811A | High frequency coaxial switch | Electricity | 6 | Expired |
| US7682010B2 | Solid ink stick with coating | Performing Operations; Transporting | 4 | Active |
| US7959270B2 | Collapsible packaging system | Physics | 3 | Active |
| US7577384B2 | Collapsible packaging system | Emerging Cross-Sectional Technologies | 1 | Active |
| US7758173B2 | Collapsible packaging system | Physics | 0 | Active |
| US8224214B2 | Collapsible packaging system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.