Charles D. Dern
5Patents
3h-index
1Co-inventors
47Inventor score
Filing activity: Jul 28, 1993 → Aug 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5330157A | Rotary disk valve | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US10113797B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 16 | Active |
| US10782070B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 4 | Active |
| US11181320B2 | Energy recovery in a freeze-drying system | Emerging Cross-Sectional Technologies | 3 | Active |
| US10976104B2 | Means and methods for selective shelf temperature control | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.