David T. Sutherland
9Patents
6h-index
10Co-inventors
60Inventor score
Filing activity: Aug 5, 1974 → Mar 12, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4547977A | Freeze dryer with improved temperature control | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5267790A | Temperature-controlled homogenizer with sample gripper | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6564471B1 | Method and apparatus for freeze-drying | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US3950963A | Portable refrigerating unit for freeze drying apparatus | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5689895A | Probe positioning device for a flask freeze drying | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5199187A | Freeze dryer apparatus having an interim condensing system and use thereof | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4169538A | Adjustable door arrangement for a vacuum chamber | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4173078A | Shelf arrangement for freeze drying apparatus | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4178697A | Condensation chamber for freeze drying apparatus | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.