Bruce Armstrong
12Patents
3h-index
12Co-inventors
57Inventor score
Filing activity: Oct 27, 1983 → Aug 28, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4928263A | Hydrophones and similar devices | Physics | 20 | Expired |
| US4524693A | Underwater transducer with depth compensation | Electricity | 17 | Expired |
| US8139443B2 | Underwater sound projector system and method of producing same | Electricity | 6 | Active |
| US10908306B2 | Underwater acoustic source and actuator | Emerging Cross-Sectional Technologies | 1 | Active |
| US10479452B2 | Tow body arrangement for a towable device in a sonar system | Physics | 1 | Active |
| US10890680B2 | Use of external driver to energize a seismic source | Physics | 0 | Active |
| US10488542B2 | Use of external driver to energize a seismic source | Physics | 0 | Active |
| US7184575B2 | Seed tray for digital image analysis of grain and the like | Physics | 0 | Expired |
| US10201833B2 | Modular projector for marine seismic source | Physics | 0 | Active |
| US10173244B2 | Tunable resonance in a resonating gas seismic source | Physics | 0 | Active |
| US10350638B2 | Resonating gas seismic source | Physics | 0 | Active |
| US11333756B2 | Towable submersible device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.