William E. Schmitz
11Patents
6h-index
9Co-inventors
59Inventor score
Filing activity: Nov 22, 1976 → Feb 13, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4142326A | Mass transit vehicle door control apparatus | Fixed Constructions | 23 | Expired |
| US4774669A | Train control having a supervisory monitor providing improved operating safety and better maintenance support | Physics | 20 | Expired |
| US4458185A | Propulsion control apparatus for passenger vehicles | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4089272A | Transportation vehicle guidance apparatus | Performing Operations; Transporting | 18 | Expired |
| US4511832A | Stepper motor door control apparatus and method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5713541A | Electromagnetic interference detection system for mass transit vehicles with electronic propulsion | Performing Operations; Transporting | 8 | Expired |
| US4952856A | Method and apparatus for monitoring resistor temperature | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4623828A | Multiple phase stepper motor torque control apparatus and method | Fixed Constructions | 4 | Expired |
| US5116262A | Mounting system for electrical devices | Electricity | 3 | Expired |
| US4204478A | Transportation vehicle flat tire safety apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4697124A | Integral series parallel and power brake controller for a transit vehicle | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.