Robert A. Nottingham
35Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: Feb 3, 1993 → Sep 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5313128A | Lead wire elimination for enclosed spindle motor | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6282053A | Adhesiveless disc drive spindle assembly | Electricity | 24 | Expired |
| US6149161A | Grooved pumping seal | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5529404A | Adhesiveless assembly with laser welding | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6575634B2 | Thermal compensation without creep in a hydrodynamic bearing | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6900568B2 | Fluid dynamic bearing motor configured with an integrated counterplate to contain bearing fluid | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7372663B2 | Lubricated limiter for fluid dynamic bearing motor | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7234868B2 | Radial pumping oil seal for fluid dynamic bearing motor | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6608734B1 | Stator ring mass/stiffener for improved acoustics | Electricity | 7 | Expired |
| US6731456B2 | Fluid dynamic bearing thermal compensation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6669369B1 | Fluid dynamic bearing secondary capillary seal reservoir | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6672766B2 | Easy-fill, easy-press conical bearing | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6018438A | Protective magnet shield for a spindle motor | Electricity | 5 | Expired |
| US7224552B2 | High-speed centrifugal seal for a spindle motor | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7626783B2 | Lubricated limiter for fluid dynamic bearing motor | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6702465B2 | Exclusion seal for fluid dynamic bearing motors | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7101085B2 | Rotating shaft conical fluid dynamic bearing | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7726882B2 | Dual seal for optimized performance | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6946764B2 | Conical hybrid FDB motor | Physics | 3 | Expired |
| US8181348B2 | Shielding fluid reservoirs of fluid dynamic bearing motors | Emerging Cross-Sectional Technologies | 2 | Active |
| US6822825B2 | Stiffness compensation for a thermally compensated fluid dynamic bearing | Electricity | 2 | Expired |
| US9133989B2 | Mechanical attachment system for linear light modules | Emerging Cross-Sectional Technologies | 2 | Active |
| US9470261B2 | Adjustable gap for a fluid dynamic bearing | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8562222B2 | Hub and spindle assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7944645B2 | Lubricated limiter for fluid dynamic bearing motor | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.