David Ray
3Patents
2h-index
15Co-inventors
45Inventor score
Filing activity: Dec 5, 1995 → Apr 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9876991B1 | Hierarchical key management system for digital rights management and associated methods | Electricity | 6 | Active |
| US5851248A | Filter cartridge assembly for powder coating booth and collection system | Performing Operations; Transporting | 4 | Expired |
| US11893377B2 | Dependency-aware rules engine for delivering managed package upgrades | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.