Howard E. Mitchell
9Patents
4h-index
2Co-inventors
47Inventor score
Filing activity: Jan 19, 1976 → Jun 13, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5602457A | Photovoltaic solar cell laminated in vehicle windshield | Emerging Cross-Sectional Technologies | 88 | Expired |
| US4177866A | System for boring raises having portions of different diameters | Fixed Constructions | 10 | Expired |
| US5558960A | Seasonal use lead acid electrical storage battery | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3993147A | Taper lock removable stem for raise bit | Fixed Constructions | 5 | Expired |
| US4161225A | Skewed inserts for an earth boring cutter | Fixed Constructions | 3 | Expired |
| US4179000A | Self-cleaning raise boring head system | Fixed Constructions | 3 | Expired |
| US4194578A | Raise boring head with retractable gage cutters | Fixed Constructions | 3 | Expired |
| US4046206A | Locking apparatus for earth boring cutter or stabilizer | Fixed Constructions | 1 | Expired |
| US4186809A | Steep angle raise bit | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.