Charles E. Stephens
11Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Oct 26, 1978 → Nov 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4201799A | Refinish painting apparatus | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4341828A | Refinish painting apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4809944A | Air spring seat and air pump | Performing Operations; Transporting | 17 | Expired |
| US5111837A | Pressure/thermal relief valve for fuel tank | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4954051A | Air spring seat and air pump | Performing Operations; Transporting | 13 | Expired |
| US7106158B2 | Solenoid-actuated air valve | Electricity | 12 | Expired |
| US4505070A | Window blind | Fixed Constructions | 10 | Expired |
| US4537637A | Hydration drying process | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9016305B2 | Configurable actuation-orientation valve | Emerging Cross-Sectional Technologies | 2 | Active |
| US11635015B2 | Coolant control valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US8074684B2 | Seat height control system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.