Richard L. McMaster
8Patents
7h-index
—Co-inventors
46Inventor score
Filing activity: Dec 21, 1977 → Jul 8, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4660024A | Dual technology intruder detection system | Physics | 63 | Expired |
| US5705988A | Photoelectric smoke detector with count based A/D and D/A converter | Physics | 37 | Expired |
| US4876445A | Intrusion detection device with extended field of view | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4963749A | Quad element intrusion detection | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5450061A | Glass break detection using temporal sequence of selected frequency characteristics | Physics | 14 | Expired |
| US5552770A | Glass break detection using multiple frequency ranges | Physics | 13 | Expired |
| US5438317A | Glass break detection with noise riding feature | Physics | 10 | Expired |
| US4141008A | Energy-responsive intruder detection system | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.