Charles J. Cheever
7Patents
7h-index
7Co-inventors
52Inventor score
Filing activity: Nov 21, 1986 → Apr 15, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847479A | Self-pressure-balanced hydrodynamic bearing spindle motor | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US5770906A | Compact electric motor construction employing fluid bearings | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US4694213A | Ferrofluid seal for a stationary shaft and a rotating hub | Electricity | 46 | Expired |
| US5536088A | Fluid bearings for electronic spindle motors | Electricity | 35 | Expired |
| US5718516A | Spindle motors with hard coated hydrodynamic bearings | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5689146A | Conical bearing system for spindle motors | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6108909A | Groove forming processes for shaft outer diameter | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.