Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115758 | Shield restricting axial movement | Troy M. Herndon, James Lee, Robert A. Nottingham, Norbert Steven Parsoneault, Thaveesinn Vasavakul +3 more | 2015-08-25 |
| 8690436 | Hub and spindle assembly | Troy M. Herndon, Robert A. Nottingham, Alan Lyndon Grantz | 2014-04-08 |
| 8562222 | Hub and spindle assembly | Troy M. Herndon, Robert A. Nottingham, Alan Lyndon Grantz | 2013-10-22 |
| 8472132 | Fluid dynamic bearing apparatus arranged to discharge air bubbles generated therein and a spindle motor and a disk drive apparatus including the same | Hiroki Yamada, Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi +2 more | 2013-06-25 |
| 8454238 | Spindle regions | Norbert Steven Parsoneault, Gregor Flores, Robert A. Nottingham, Troy M. Herndon | 2013-06-04 |
| 8181348 | Shielding fluid reservoirs of fluid dynamic bearing motors | Troy M. Herndon, James Lee, Robert A. Nottingham, Norbert Steven Parsoneault, Thaveesinn Vasavakul +3 more | 2012-05-22 |
| 7944645 | Lubricated limiter for fluid dynamic bearing motor | Robert A. Nottingham, Troy M. Herndon, Norbert Steven Parsoneault, Lynn Bich-Quy Le | 2011-05-17 |
| 7892100 | Dual tapered shaft for FDB motor | Troy M. Herndon, Mohammad Ameen, Raquib U. Kahn | 2011-02-22 |
| 7893585 | Motor assembly with multifunctional components | Troy M. Herndon, Robert A. Nottingham, Norbert Steven Parsoneault, Paco Flores | 2011-02-22 |
| 7726882 | Dual seal for optimized performance | Norbert Steven Parsoneault, Robert A. Nottingham, Alexander Parkhomovsky, Robert M. Pelstring, Troy M. Herndon | 2010-06-01 |
| 7679243 | Motor assembly with multifunctional components | Troy M. Herndon, Robert A. Nottingham, Norbert Steven Parsoneault, Paco Flores | 2010-03-16 |
| 7626783 | Lubricated limiter for fluid dynamic bearing motor | Robert A. Nottingham, Troy M. Herndon, Norbert Steven Parsoneault, Lynn Bich-Quy Le | 2009-12-01 |
| 7493695 | Method for designing a fluid dynamic bearing system | Troy M. Herndon, Robert A. Nottingham, Mohamed Mizanur Rahman | 2009-02-24 |
| 7422370 | Hydraulic compensation for magnetically biased fluid dynamic bearing motor | Troy M. Herndon | 2008-09-09 |
| 7378771 | FDB motor with tapered shaft for improved pumping efficiency | Troy M. Herndon, Mohammad Ameen, Raquib Uddin Khan | 2008-05-27 |
| 7372663 | Lubricated limiter for fluid dynamic bearing motor | Robert A. Nottingham, Troy M. Herndon, Norbert Steven Parsoneault, Lynn Bich-Quy Le | 2008-05-13 |
| 7262935 | Top cover attached single plate fluid dynamic bearing motor | — | 2007-08-28 |
| 7234868 | Radial pumping oil seal for fluid dynamic bearing motor | Michael Tiller, Robert A. Nottingham, Troy M. Herndon, Norbert Steven Parsoneault | 2007-06-26 |
| 7224552 | High-speed centrifugal seal for a spindle motor | Troy M. Herndon, Robert A. Nottingham | 2007-05-29 |
| 7042125 | Hydraulic fluid dynamic bearing incorporating an asymmetric journal bearing | Alan Lyndon Grantz, Troy M. Herndon, Michael D. Kennedy, Anthony Joseph Aiello, Robert Alan Notthingham | 2006-05-09 |
| 6976682 | Apparatus and method for forming a rotatable ferrofluidic seal between a shaft and a hub | Donald J. MacLeod, Robert M. Pelstring, Marten Byl, Tan Pham, Robert Alan Notingham +1 more | 2005-12-20 |
| 6946764 | Conical hybrid FDB motor | Alan Lyndon Grantz, Troy M. Herndon, Michael D. Kennedy, Robert A. Nottingham, Anthony Joseph Aiello +2 more | 2005-09-20 |
| 6900568 | Fluid dynamic bearing motor configured with an integrated counterplate to contain bearing fluid | Norbert Steven Parsoneault, Robert A. Nottingham, Troy M. Herndon | 2005-05-31 |
| 6822825 | Stiffness compensation for a thermally compensated fluid dynamic bearing | Troy M. Herndon, Robert A. Nottingham | 2004-11-23 |
| 6762529 | Lamination features for stator grounding | Troy M. Herndon | 2004-07-13 |