David Petersen
5Patents
2h-index
12Co-inventors
48Inventor score
Filing activity: Sep 4, 1991 → Sep 14, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5305370A | Personal emergency response communications system | Physics | 141 | Expired |
| US6943675B2 | Locomotive hand brake alarm | Performing Operations; Transporting | 11 | Expired |
| US7546184B2 | Locomotive engine restart shutdown override system and method | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10724462B2 | System and method for a compressor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6497053B2 | Air diffuser used on locomotive with air dryers | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.