David A. Steffy
5Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Sep 26, 1985 → Mar 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5522569A | Satellite having a stackable configuration | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5587719A | Axially arrayed helical antenna | Electricity | 17 | Expired |
| US5806801A | Method and system for formationkeeping between orbiting spacecraft by varying their ballistic coefficients | Performing Operations; Transporting | 13 | Expired |
| US4711417A | Apparatus for ejection of a spacecraft | Performing Operations; Transporting | 6 | Expired |
| US10869041B2 | Video cluster encoding for multiple resolutions and bitrates with performance and quality enhancements | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.