Edgar A. Hirzel
11Patents
8h-index
3Co-inventors
65Inventor score
Filing activity: Apr 12, 1972 → Sep 11, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5381096A | Method and apparatus for measuring the state-of-charge of a battery system | Emerging Cross-Sectional Technologies | 229 | Expired |
| US4671650A | Apparatus and method for determining aircraft position and velocity | Physics | 65 | Expired |
| US4495589A | Aircraft ground velocity determination system | Physics | 61 | Expired |
| US5200877A | Battery protection system | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5296997A | System for protecting a battery | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5066905A | Battery cable assembly with in-line switch | Electricity | 19 | Expired |
| US4022513A | Selective deceleration brake control system | Performing Operations; Transporting | 18 | Expired |
| USRE33486E | Selective deceleration brake control system | General | 18 | Expired |
| US4293165A | Electronic control brake and skid control system | Performing Operations; Transporting | 7 | Expired |
| US5949157A | Motor driven switch | Electricity | 6 | Expired |
| US5296788A | System for controlling a motor driven switch | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.