Donald Freund
15Patents
4h-index
12Co-inventors
57Inventor score
Filing activity: Jan 19, 1979 → Apr 25, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD265548S | Packaging drum for food | General | 34 | Expired |
| US4305535A | Drum closure assembly | Performing Operations; Transporting | 26 | Expired |
| US4252265A | Drum closure assembly | Performing Operations; Transporting | 16 | Expired |
| US4182475A | Drum closure assembly | Performing Operations; Transporting | 14 | Expired |
| US9446839B2 | Systems and methods for controlling a magnitude of a sonic boom | Emerging Cross-Sectional Technologies | 2 | Active |
| US11834189B2 | Exhaust nozzle assembly, propulsion system employing the exhaust nozzle assembly, and aircraft employing the propulsion system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4299589A | Closure assembly positioning apparatus | Performing Operations; Transporting | 1 | Expired |
| US12280888B2 | Exhaust nozzle assembly, propulsion system employing the exhaust nozzle assembly, and aircraft employing the propulsion system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11686246B2 | Propulsion system for an aircraft | Emerging Cross-Sectional Technologies | 0 | Active |
| US9580169B2 | Systems and methods for controlling a magnitude of a sonic boom | Emerging Cross-Sectional Technologies | 0 | Active |
| US10093410B2 | Systems and methods for controlling a magnitude of a sonic boom | Emerging Cross-Sectional Technologies | 0 | Active |
| US9561847B2 | Systems and methods for controlling a magnitude of a sonic boom | Emerging Cross-Sectional Technologies | 0 | Active |
| US12264638B2 | Nozzle assembly for use with a propulsion system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12331700B2 | Nozzle assembly for use with a propulsion system and sleeve assembly for use with the nozzle assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10351226B2 | Systems and methods for controlling a magnitude of a sonic boom | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.