Norman Schaefer
5Patents
3h-index
14Co-inventors
46Inventor score
Filing activity: Dec 4, 1996 → Nov 26, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6109027A | Exhaust restriction device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6179096A | Exhaust brake variable bypass circuit | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5845748A | Low restriction exhaust brake | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5947235A | System and method of exhaust brake control | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7159444B2 | Combustible gas detection systems and method thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.