Ronald M. Dufrane
10Patents
5h-index
17Co-inventors
63Inventor score
Filing activity: Feb 7, 1990 → Dec 4, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5031538A | Delay train ignition buffer | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5747722A | Detonators having multiple-line input leads | Chemistry; Metallurgy | 22 | Expired |
| US5703320A | Connector for blast initiation system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7490554B2 | Initiation fixture and an initiator assembly including the same | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5661256A | Slider member for booster explosive charges | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5708228A | Method and apparatus for transfer of initiation signals | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US11192832B2 | Coreless-coil shock tube system with reduced noise | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11554998B2 | Coreless-coil shock tube system with reduced noise | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11845703B2 | Coreless-coil shock tube system with reduced noise | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12252453B2 | Coreless-coil shock tube system with reduced noise | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.